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Title: Exploring the space of jets with CMS open data

Abstract

We explore the metric space of jets using public collider data from the CMS experiment. Starting from 2.3 fb - 1 of proton-proton collisions at s =7TeV collected at the Large Hadron Collider in 2011, we isolate a sample of 1,690,984 central jets with transverse momentum above 375 GeV. To validate the performance of the CMS detector in reconstructing the energy flow of jets, we compare the CMS Open Data to corresponding simulated data samples for a variety of jet kinematic and substructure observables. Even without detector unfolding, we find very good agreement for track-based observables after using charged hadron subtraction to mitigate the impact of pileup. We perform a range of novel analyses, using the “energy mover’s distance” (EMD) to measure the pairwise difference between jet energy flows. The EMD allows us to quantify the impact of detector effects, visualize the metric space of jets, extract correlation dimensions, and identify the most and least typical jet configurations. To facilitate future jet studies with CMS Open Data, we make our datasets and analysis code available, amounting to around two gigabytes of distilled data and one hundred gigabytes of simulation files.

Authors:
ORCiD logo; ; ORCiD logo; ORCiD logo; ORCiD logo
Publication Date:
Research Org.:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Nuclear Physics (NP); USDOE Office of Science (SC), High Energy Physics (HEP); Heising-Simons Foundation; Simons Foundation
OSTI Identifier:
1599516
Alternate Identifier(s):
OSTI ID: 1630642
Grant/Contract Number:  
SC0011090; SC0012567; SC0019128
Resource Type:
Published Article
Journal Name:
Physical Review. D.
Additional Journal Information:
Journal Name: Physical Review. D. Journal Volume: 101 Journal Issue: 3; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Komiske, Patrick T., Mastandrea, Radha, Metodiev, Eric M., Naik, Preksha, and Thaler, Jesse. Exploring the space of jets with CMS open data. United States: N. p., 2020. Web. doi:10.1103/PhysRevD.101.034009.
Komiske, Patrick T., Mastandrea, Radha, Metodiev, Eric M., Naik, Preksha, & Thaler, Jesse. Exploring the space of jets with CMS open data. United States. https://doi.org/10.1103/PhysRevD.101.034009
Komiske, Patrick T., Mastandrea, Radha, Metodiev, Eric M., Naik, Preksha, and Thaler, Jesse. Tue . "Exploring the space of jets with CMS open data". United States. https://doi.org/10.1103/PhysRevD.101.034009.
@article{osti_1599516,
title = {Exploring the space of jets with CMS open data},
author = {Komiske, Patrick T. and Mastandrea, Radha and Metodiev, Eric M. and Naik, Preksha and Thaler, Jesse},
abstractNote = {We explore the metric space of jets using public collider data from the CMS experiment. Starting from 2.3fb-1 of proton-proton collisions at s=7TeV collected at the Large Hadron Collider in 2011, we isolate a sample of 1,690,984 central jets with transverse momentum above 375 GeV. To validate the performance of the CMS detector in reconstructing the energy flow of jets, we compare the CMS Open Data to corresponding simulated data samples for a variety of jet kinematic and substructure observables. Even without detector unfolding, we find very good agreement for track-based observables after using charged hadron subtraction to mitigate the impact of pileup. We perform a range of novel analyses, using the “energy mover’s distance” (EMD) to measure the pairwise difference between jet energy flows. The EMD allows us to quantify the impact of detector effects, visualize the metric space of jets, extract correlation dimensions, and identify the most and least typical jet configurations. To facilitate future jet studies with CMS Open Data, we make our datasets and analysis code available, amounting to around two gigabytes of distilled data and one hundred gigabytes of simulation files.},
doi = {10.1103/PhysRevD.101.034009},
journal = {Physical Review. D.},
number = 3,
volume = 101,
place = {United States},
year = {Tue Feb 11 00:00:00 EST 2020},
month = {Tue Feb 11 00:00:00 EST 2020}
}

Journal Article:
Free Publicly Available Full Text
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https://doi.org/10.1103/PhysRevD.101.034009

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Cited by: 27 works
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M.; Tumasyan, A.</span> </li> <li> Journal of Instrumentation, Vol. 12, Issue 01</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1088/1748-0221/12/01/P01020" class="text-muted" target="_blank" rel="noopener noreferrer">10.1088/1748-0221/12/01/P01020<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1023/A:1026543900054" target="_blank" rel="noopener noreferrer" class="name">The Earth Mover's Distance as a Metric for Image Retrieval<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="2000-11-01">November 2000</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Rubner, Yossi</span> </li> <li> International Journal of Computer Vision, Vol. 40, Issue 2, p. 99-121</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1023/A:1026543900054" class="text-muted" target="_blank" rel="noopener noreferrer">10.1023/A:1026543900054<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> <div> <h2 class="title" style="margin-bottom:0;" data-apporder=""> <a href="https://doi.org/10.1088/1126-6708/1997/08/001" target="_blank" rel="noopener noreferrer" class="name">Better jet clustering algorithms<span class="fa fa-external-link" aria-hidden="true"></span></a> <small class="text-muted" style="text-transform:uppercase; font-size:0.75rem;"><br/> <span class="type">journal</span>, <span class="date" data-date="1997-08-01">August 1997</span></small> </h2> <ul class="small references-list" style="list-style-type:none; margin-top: 0.5em; padding-left: 0; line-height:1.8em;"> <li> <span style="color:#5C7B2D;"> Dokshitzer, Yu. L.; Leder, G. D.; Moretti, S.</span> </li> <li> Journal of High Energy Physics, Vol. 1997, Issue 08</li> <li> <span class="text-muted related-url">DOI: <a href="https://doi.org/10.1088/1126-6708/1997/08/001" class="text-muted" target="_blank" rel="noopener noreferrer">10.1088/1126-6708/1997/08/001<span class="fa fa-external-link" aria-hidden="true"></span></a></span> </li> </ul> <hr/> </div> </div> <div class="pagination-container small"> <a class="pure-button prev page" href="#" rel="prev"><span class="sr-only">Previous Page</span><span class="fa fa-angle-left"></span></a> <ul class="pagination d-inline-block" style="padding-left:.2em;"></ul> <a class="pure-button next page" href="#" rel="next"><span class="sr-only">Next Page</span><span class="fa fa-angle-right"></span></a> </div> </div> </div> <div class="col-sm-3 order-sm-3"> <ul class="nav nav-stacked"> <li class="active"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="*"><span class="fa fa-angle-right"></span> All References</a></li> <li class="small" style="margin-left:.75em; text-transform:capitalize;"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="book"><span class="fa fa-angle-right"></span> book<small class="text-muted"> (1)</small></a></li> <li class="small" style="margin-left:.75em; text-transform:capitalize;"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="dataset"><span class="fa fa-angle-right"></span> dataset<small class="text-muted"> (4)</small></a></li> <li class="small" style="margin-left:.75em; text-transform:capitalize;"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="journal"><span class="fa fa-angle-right"></span> journal<small class="text-muted"> (96)</small></a></li> <li class="small" style="margin-left:.75em; text-transform:capitalize;"><a href="" class="reference-type-filter tab-nav" data-tab="biblio-references" data-filter="type" data-pattern="null"><span class="fa fa-angle-right"></span> null<small class="text-muted"> (18)</small></a></li> </ul> <div style="margin-top:2em;"> <form class="pure-form small text-muted reference-search"> <label for="reference-search-text" class="sr-only">Search</label> <input class="search form-control pure-input-1" id="reference-search-text" placeholder="Search" style="margin-bottom:10px;" /> <fieldset aria-label="Sort By"> <legend class="legend-filters sr-only">Sort by:</legend> <div style="margin-left:1em; font-weight:normal; line-height: 1.6em;"><input type="radio" class="sort" name="references-sort" data-sort="name" style="position:relative;top:2px;" id="reference-search-sort-name"><label for="reference-search-sort-name" style="margin-left: .3em;">Sort by title</label></div> <div style="margin-left:1em; font-weight:normal; line-height: 1.6em;"><input type="radio" class="sort" name="references-sort" data-sort="date" data-order="desc" style="position:relative;top:2px;" id="reference-search-sort-date"><label for="reference-search-sort-date" style="margin-left: .3em;">Sort by date</label></div> </fieldset> <div class="text-left" style="margin-left:1em;"> <a href="" class="filter-clear clearfix" title="Clear filter / sort" style="font-weight:normal; float:none;">[ × clear filter / sort ]</a> </div> <input type="submit" id="sort_submit_references" name="submit" aria-label="submit" style="display: none;"/> </form> </div> </div> </div> </section> <section id="biblio-related" class="tab-content tab-content-sec " data-tab="biblio"> <div class="row"> <div class="col-sm-9 order-sm-9"> <section id="biblio-similar" class="tab-content tab-content-sec active" data-tab="related"> <div class="padding"> <p class="lead text-muted" style="font-size: 18px; margin-top:0px;">Similar Records in DOE PAGES and OSTI.GOV collections:</p> <aside> <ul class="item-list" itemscope itemtype="http://schema.org/ItemList" style="padding-left:0; list-style-type: none;"> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="1" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1576530-measurement-jet-mass-distribution-top-quark-mass-hadronic-decays-boosted-top-quarks-pp-collisions" itemprop="url">Measurement of the Jet Mass Distribution and Top Quark Mass in Hadronic Decays of Boosted Top Quarks in <math> <mrow> <mi>p</mi> <mi>p</mi> </mrow> </math> Collisions at <math> <mrow> <msqrt> <mrow> <mi>s</mi> </mrow> </msqrt> <mo>=</mo> <mn>13</mn> <mtext></mtext> <mtext></mtext> <mi>TeV</mi> </mrow> </math></a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Sirunyan, A. M.</span> ; <span class="author">Tumasyan, A.</span> ; <span class="author">Adam, W.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Physical Review Letters</span> </span> </div> <div class="abstract">A<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> measurement is reported of the jet mass distribution in hadronic decays of boosted top quarks produced in <math> <mi>p</mi><mi>p</mi> </math> collisions at <math> <msqrt> <mi>s</mi> </msqrt><mo>=</mo><mn>13</mn><mtext> </mtext><mtext> </mtext><mi>TeV</mi> </math>. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of <math> <mrow> <mn>35.9</mn> <mtext> </mtext> <mtext> </mtext> <msup><mrow> <mi>fb</mi> </mrow><mrow> <mo>-</mo> <mn>1</mn> </mrow></msup> </mrow> </math>. The measurement is performed in the <math> <mrow> <mi>lepton</mi> <mo>+</mo> <mtext>jets</mtext> </mrow> </math> channel of <math> <mi>t</mi><mover> <mi>t</mi> <mo>¯</mo> </mover> </math> events, where the lepton is an electron or muon. The products of the hadronic top quark decay <math> <mrow> <mi>t</mi> <mo>→</mo> <mi>b</mi> <mi>W</mi> <mo>→</mo> <mi>b</mi> <mi>q</mi> <msup><mrow> <mover> <mrow> <mi>q</mi> </mrow> <mrow> <mo>¯</mo> </mrow> </mover> </mrow><mrow> <mo>'</mo> </mrow></msup> </mrow> </math> are reconstructed as a single jet with transverse momentum larger than 400 GeV. The <math> <mi>t</mi><mover> <mi>t</mi> <mo>¯</mo> </mover> </math> cross section as a function of the jet mass is unfolded at the particle level and used to extract a value of the top quark mass of <math> <mn>172.6</mn><mo>±</mo><mn>2.5</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi> </math>. novel jet reconstruction technique is used for the first time at the LHC, which improves the precision by a factor of 3 relative to an earlier measurement. This highlights the potential of measurements using boosted top quarks, where the new technique will enable future precision measurements.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <span class="fa fa-book text-muted" aria-hidden="true"></span> Cited by 6<div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1103/PhysRevLett.124.202001" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1576530" data-product-type="Journal Article" data-product-subtype="AM" >https://doi.org/10.1103/PhysRevLett.124.202001</a></span></li> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc fulltext-link " href="/pages/servlets/purl/1576530" title="Link to document media" target="_blank" rel="noopener" data-ostiid="1576530" data-product-type="Journal Article" data-product-subtype="AM" >Full Text Available</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="3" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1594415-amplitude-analysis-e+e-ns-sqrt-gev" itemprop="url">Amplitude analysis of <em>e<sup>+</sup>e<sup>-</sup>→Υ(nS)π<sup>+</sup>π<sup>-</sup></em> at $$\sqrt{s}$$ = 10.886 GeV</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Garmash, A.</span> ; <span class="author">Bondar, A.</span> ; <span class="author">Kuzmin, A.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Physical Review. D, Particles, Fields, Gravitation and Cosmology</span> </span> </div> <div class="abstract">We repor<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> t results on studies of the <math> <msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>-</mo></msup> </math> annihilation into three-body <math> <mrow> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mi>n</mi> <mi>S</mi> <mo>)</mo> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> </mrow> </math> ( <math> <mi>n</mi><mo>=</mo><mn>1</mn><mo>,</mo><mn>2</mn><mo>,</mo><mn>3</mn> </math>) final states including measurements of cross sections and the full amplitude analysis. The cross sections measured at <math> <mrow> <msqrt> <mrow> <mi>s</mi> </mrow> </msqrt> <mo>=</mo> <mn>10.866</mn> <mtext></mtext> <mtext></mtext> <mi>GeV</mi> </mrow> </math> and corrected for the initial state radiation are <math> <mrow> <mi>σ</mi> <mo>(</mo> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>→</mo> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mn>1</mn> <mi>S</mi> <mo>)</mo> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>)</mo> <mo>=</mo> <mspace></mspace> <mo>(</mo> <mn>2.27</mn> <mo>±</mo> <mn>0.12</mn> <mo>±</mo> <mn>0.14</mn> <mo>)</mo> <mtext></mtext> <mtext></mtext> <mi>pb</mi> </mrow> </math>, <math> <mrow> <mi>σ</mi> <mo>(</mo> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>→</mo> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mn>2</mn> <mi>S</mi> <mo>)</mo> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>)</mo> <mo>=</mo> <mo>(</mo> <mn>4.07</mn> <mo>±</mo> <mn>0.16</mn> <mo>±</mo> <mn>0.45</mn> <mo>)</mo> <mtext></mtext> <mtext></mtext> <mi>pb</mi> </mrow> </math>, and <math> <mrow> <mi>σ</mi> <mo>(</mo> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>→</mo> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mn>3</mn> <mi>S</mi> <mo>)</mo> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>)</mo> <mo>=</mo> <mspace></mspace> <mo>(</mo> <mn>1.46</mn> <mo>±</mo> <mn>0.09</mn> <mo>±</mo> <mn>0.16</mn> <mo>)</mo> <mtext></mtext> <mtext></mtext> <mi>pb</mi> </mrow> </math>. Amplitude analysis of the three-body <math> <mrow> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mi>n</mi> <mi>S</mi> <mo>)</mo> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> </mrow> </math> final states strongly favors <math> <mrow> <msup><mrow> <mi>I</mi> </mrow><mrow> <mi>G</mi> </mrow></msup> <mo>(</mo> <msup><mrow> <mi>J</mi> </mrow><mrow> <mi>P</mi> </mrow></msup> <mo>)</mo> <mo>=</mo> <msup><mrow> <mn>1</mn> </mrow><mrow> <mo>+</mo> </mrow></msup> <mo>(</mo> <msup><mrow> <mn>1</mn> </mrow><mrow> <mo>+</mo> </mrow></msup> <mo>)</mo> </mrow> </math> quantum-number assignments for the two bottomonium-like <math> <msubsup> <mi>Z</mi> <mi>b</mi> <mo>±</mo> </msubsup> </math> states, recently observed in the <math> <mrow> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mi>n</mi> <mi>S</mi> <mo>)</mo> <msup><mrow> <mi>π</mi> </mrow><mrow> <mo>±</mo> </mrow></msup> </mrow> </math> and <math> <msub> <mi>h</mi> <mi>b</mi> </msub><mo>(</mo><mi>m</mi><mi>P</mi><mo>)</mo><msup><mi>π</mi><mo>±</mo></msup> </math> ( <math> <mi>m</mi><mo>=</mo><mn>1</mn><mo>,</mo><mn>2</mn> </math>) decay channels. The results are obtained with a <math> <mrow> <mn>121.4</mn> <mtext> </mtext> <mtext> </mtext> <msup><mrow> <mi>fb</mi> </mrow><mrow> <mo>-</mo> <mn>1</mn> </mrow></msup> </mrow> </math> data sample collected with the Belle detector at the KEKB asymmetric-energy <math> <msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>-</mo></msup> </math> collider.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <span class="fa fa-book text-muted" aria-hidden="true"></span> Cited by 69<div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1103/PhysRevD.91.072003" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1594415" data-product-type="Journal Article" data-product-subtype="AM" >https://doi.org/10.1103/PhysRevD.91.072003</a></span></li> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc fulltext-link " href="/pages/servlets/purl/1594415" title="Link to document media" target="_blank" rel="noopener" data-ostiid="1594415" data-product-type="Journal Article" data-product-subtype="AM" >Full Text Available</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="4" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1594409-semi-inclusive-studies-semileptonic-bs-decays-belle" itemprop="url">Semi-inclusive studies of semileptonic <math> <msub> <mi>B</mi> <mi>s</mi> </msub> </math> decays at Belle</a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Oswald, C.</span> ; <span class="author">Urquijo, P.</span> ; <span class="author">Dingfelder, J.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Physical Review. D, Particles, Fields, Gravitation and Cosmology</span> </span> </div> <div class="abstract">We presen<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> t an analysis of the semi-inclusive decays <math> <mrow> <msub> <mrow> <mi>B</mi> </mrow> <mrow> <mi>s</mi> </mrow> </msub> <mo>→</mo> <msubsup> <mrow> <mi>D</mi> </mrow> <mrow> <mi>s</mi> </mrow> <mrow> <mo>-</mo> </mrow> </msubsup> <mi>X</mi> <msup><mrow> <mo>ℓ</mo> </mrow><mrow> <mo>+</mo> </mrow></msup> <mi>ν</mi> </mrow> </math> and <math> <mrow> <msub> <mrow> <mi>B</mi> </mrow> <mrow> <mi>s</mi> </mrow> </msub> <mo>→</mo> <msubsup> <mrow> <mi>D</mi> </mrow> <mrow> <mi>s</mi> </mrow> <mrow> <mo>*</mo> <mo>-</mo> </mrow> </msubsup> <mi>X</mi> <msup><mrow> <mo>ℓ</mo> </mrow><mrow> <mo>+</mo> </mrow></msup> <mi>ν</mi> </mrow> </math>, where <math> <mi>X</mi> </math> denotes a final state that may consist of additional hadrons or photons and <math> <mo>ℓ</mo> </math> is an electron or muon. The studied <math> <msub> <mi>B</mi> <mi>s</mi> </msub> </math> decays are contained in the <math> <mrow> <mn>121.4</mn> <mtext> </mtext> <mtext> </mtext> <msup><mrow> <mi>fb</mi> </mrow><mrow> <mo>-</mo> <mn>1</mn> </mrow></msup> </mrow> </math> <math> <mrow> <mi mathvariant="normal">Υ</mi> <mo>(</mo> <mn>5</mn> <mi>S</mi> <mo>)</mo> </mrow> </math> data sample collected by the Belle detector at the KEKB asymmetric-energy <math> <msup><mi>e</mi><mo>+</mo></msup><msup><mi>e</mi><mo>-</mo></msup> </math> collider. The branching fractions of the decays are measured to be <math> <mrow> <mi mathvariant="script">B</mi> <mo>(</mo> <msub> <mrow> <mi>B</mi> </mrow> <mrow> <mi>s</mi> </mrow> </msub> <mo>→</mo> <msubsup> <mrow> <mi>D</mi> </mrow> <mrow> <mi>s</mi> </mrow> <mrow> <mo>-</mo> </mrow> </msubsup> <mi>X</mi> <msup><mrow> <mo>ℓ</mo> </mrow><mrow> <mo>+</mo> </mrow></msup> <mi>ν</mi> <mo>)</mo> <mo>=</mo> <mo>[</mo> <mn>8.2</mn> <mo>±</mo> <mn>0.2</mn> <mo>(</mo> <mi>stat</mi> <mo>)</mo> <mo>±</mo> <mn>0.6</mn> <mo>(</mo> <mi>syst</mi> <mo>)</mo> <mo>±</mo> <mn>1.4</mn> <mo>(</mo> <mi>ext</mi> <mo>)</mo> <mo>]</mo> <mo>%</mo> </mrow> </math> and <math> <mrow> <mi mathvariant="script">B</mi> <mo>(</mo> <msub> <mrow> <mi>B</mi> </mrow> <mrow> <mi>s</mi> </mrow> </msub> <mo>→</mo> <msubsup> <mrow> <mi>D</mi> </mrow> <mrow> <mi>s</mi> </mrow> <mrow> <mo>*</mo> <mo>-</mo> </mrow> </msubsup> <mi>X</mi> <msup><mrow> <mo>ℓ</mo> </mrow><mrow> <mo>+</mo> </mrow></msup> <mi>ν</mi> <mo>)</mo> <mo>=</mo> <mspace></mspace> <mo>[</mo> <mn>5.4</mn> <mo>±</mo> <mn>0.4</mn> <mo>(</mo> <mi>stat</mi> <mo>)</mo> <mo>±</mo> <mn>0.4</mn> <mo>(</mo> <mi>syst</mi> <mo>)</mo> <mo>±</mo> <mn>0.9</mn> <mo>(</mo> <mi>ext</mi> <mo>)</mo> <mo>]</mo> <mo>%</mo> </mrow> </math>, where the first two uncertainties are statistical and systematic and the last is due to external parameters. The measurement also provides an estimate of the <math> <msubsup> <mi>B</mi> <mi>s</mi> <mrow> <mo>(</mo> <mo>*</mo> <mo>)</mo> </mrow> </msubsup><msubsup> <mover> <mi>B</mi> <mo>¯</mo> </mover> <mi>s</mi> <mrow> <mo>(</mo> <mo>*</mo> <mo>)</mo> </mrow> </msubsup> </math> production cross section, <math> <mrow> <mi>σ</mi> <mo>(</mo> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>+</mo> </mrow></msup> <msup><mrow> <mi>e</mi> </mrow><mrow> <mo>-</mo> </mrow></msup> <mo>→</mo> <msubsup> <mrow> <mi>B</mi> </mrow> <mrow> <mi>s</mi> </mrow> <mrow> <mo>(</mo> <mo>*</mo> <mo>)</mo> </mrow> </msubsup> <msubsup> <mrow> <mover> <mrow> <mi>B</mi> </mrow> <mrow> <mo>¯</mo> </mrow> </mover> </mrow> <mrow> <mi>s</mi> </mrow> <mrow> <mo>(</mo> <mo>*</mo> <mo>)</mo> </mrow> </msubsup> <mo>)</mo> <mo>=</mo> <mo>[</mo> <mn>53.8</mn> <mo>±</mo> <mn>1.4</mn> <mo>(</mo> <mi>stat</mi> <mo>)</mo> <mo>±</mo> <mn>4.0</mn> <mo>(</mo> <mi>syst</mi> <mo>)</mo> <mo>±</mo> <mn>3.4</mn> <mo>(</mo> <mi>ext</mi> <mo>)</mo> <mo>]</mo> <mtext> </mtext> <mtext> </mtext> <mi>pb</mi> </mrow> </math>, at the center-of-mass energy <math> <mrow> <msqrt> <mrow> <mi>s</mi> </mrow> </msqrt> <mo>=</mo> <mn>10.86</mn> <mtext> </mtext> <mtext> </mtext> <mi>GeV</mi> </mrow> </math>.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <span class="fa fa-book text-muted" aria-hidden="true"></span> Cited by 11<div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1103/PhysRevD.92.072013" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1594409" data-product-type="Journal Article" data-product-subtype="AM" >https://doi.org/10.1103/PhysRevD.92.072013</a></span></li> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc fulltext-link " href="/pages/servlets/purl/1594409" title="Link to document media" target="_blank" rel="noopener" data-ostiid="1594409" data-product-type="Journal Article" data-product-subtype="AM" >Full Text Available</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="5" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1708976-production-forward-rapidity-collisions-gev" itemprop="url">Production of <math> <mi>b</mi> <mover> <mi>b</mi> <mo>¯</mo> </mover> </math> at forward rapidity in <math> <mi>p</mi> <mo>+</mo> <mi>p</mi> </math> collisions at <math> <msqrt> <mi>s</mi> </msqrt> <mo>=</mo> <mn>510</mn> <mtext> </mtext> <mtext> </mtext> <mi>GeV</mi> </math></a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Acharya, U.</span> ; <span class="author">Adare, A.</span> ; <span class="author">Aidala, C.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Physical Review. D.</span> </span> </div> <div class="abstract">T<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> he cross section of bottom quark-antiquark ( <math> <mi>b</mi><mover> <mi>b</mi> <mo>¯</mo> </mover> </math>) production in <math> <mi>p</mi><mo>+</mo><mi>p</mi> </math> collisions at <math> <msqrt> <mi>s</mi> </msqrt><mo>=</mo><mn>510</mn><mtext> </mtext><mtext> </mtext><mi>GeV</mi> </math> is measured with the PHENIX detector at the Relativistic Heavy Ion Collider. he results are based on the yield of high mass, like-sign muon pairs measured within the PHENIX muon arm acceptance ( <math> <mn>1.2</mn><mo><</mo><mo>|</mo><mi>y</mi><mo>|</mo><mo><</mo><mn>2.2</mn> </math>). he <math> <mi>b</mi><mover> <mi>b</mi> <mo>¯</mo> </mover> </math> signal is extracted from like-sign dimuons by utilizing the unique properties of neutral <math> <mi>B</mi> </math> meson oscillation. We report a differential cross section of <math> <mrow> <mi>d</mi> <msub> <mrow> <mi>σ</mi> </mrow> <mrow> <mi>b</mi> <mover> <mrow> <mi>b</mi> </mrow> <mrow> <mo>¯</mo> </mrow> </mover> <mo>→</mo> <msup><mrow> <mi>μ</mi> </mrow><mrow> <mo>±</mo> </mrow></msup> <msup><mrow> <mi>μ</mi> </mrow><mrow> <mo>±</mo> </mrow></msup> </mrow> </msub> <mo>/</mo> <mi>d</mi> <mi>y</mi> <mo>=</mo> <mn>0.16</mn> <mo>±</mo> <mn>0.01</mn> <mtext> </mtext> <mo>(</mo> <mrow> <mi>stat</mi> </mrow> <mo>)</mo> <mo>±</mo> <mn>0.02</mn> <mtext> </mtext> <mo>(</mo> <mrow> <mi>syst</mi> </mrow> <mo>)</mo> <mo>±</mo> <mn>0.02</mn> <mtext> </mtext> <mo>(</mo> <mtext>global</mtext> <mo>)</mo> <mtext> </mtext> <mtext> </mtext> <mi>nb</mi> </mrow> </math> for like-sign muons in the rapidity and <math> <msub> <mi>p</mi> <mi></mi> </msub> </math> ranges <math> <mn>1.2</mn><mo><</mo><mo>|</mo><mi>y</mi><mo>|</mo><mo><</mo><mn>2.2</mn> </math> and <math> <mrow> <msub> <mrow> <mi>p</mi> </mrow> <mrow> <mi></mi> </mrow> </msub> <mo>></mo> <mn>1</mn> <mtext> </mtext> <mtext> </mtext> <mi>GeV</mi> <mo>/</mo> <mi>c</mi> </mrow> </math>, and dimuon mass of <math> <mrow> <mn>5</mn> <mi>–</mi> <mn>10</mn> <mtext> </mtext> <mtext> </mtext> <mi>GeV</mi> <mo>/</mo> <msup><mrow> <mi>c</mi> </mrow><mrow> <mn>2</mn> </mrow></msup> </mrow> </math>. he extrapolated total cross section at this energy for <math> <mi>b</mi><mover> <mi>b</mi> <mo>¯</mo> </mover> </math> production is <math> <mrow> <mn>13.1</mn> <mo>±</mo> <mn>0.6</mn> <mtext> </mtext> <mo>(</mo> <mrow> <mi>stat</mi> </mrow> <mo>)</mo> <mo>±</mo> <mn>1.5</mn> <mtext> </mtext> <mo>(</mo> <mrow> <mi>syst</mi> </mrow> <mo>)</mo> <mo>±</mo> <mn>2.7</mn> <mtext> </mtext> <mo>(</mo> <mtext>global</mtext> <mo>)</mo> <mtext> </mtext> <mi>μ</mi> <mi mathvariant="normal">b</mi> </mrow> </math>. he total cross section is compared to a perturbative quantum chromodynamics calculation and is consistent within uncertainties. he azimuthal opening angle between muon pairs from <math> <mi>b</mi><mover> <mi>b</mi> <mo>¯</mo> </mover> </math> decays and their <math> <msub> <mi>p</mi> <mi></mi> </msub> </math> distributions are compared to distributions generated using ps pythia6, which includes next-to-leading order processes. he azimuthal correlations and pair <math> <msub> <mi>p</mi> <mi></mi> </msub> </math> distribution are not very well described by pythia calculations, but are still consistent within uncertainties. Flavor creation and flavor excitation subprocesses are favored over gluon splitting.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1103/PhysRevD.102.092002" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1708976" data-product-type="Journal Article" data-product-subtype="PA" >https://doi.org/10.1103/PhysRevD.102.092002</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> <li> <div class="article item document" itemprop="itemListElement" itemscope itemtype="http://schema.org/WebPage"><meta itemprop="position" content="8" /><div class="item-info"> <h2 class="title" itemprop="name headline"><a href="/pages/biblio/1784815-longitudinal-double-spin-asymmetry-inclusive-jet-dijet-production-polarized-proton-collisions-gev" itemprop="url">Longitudinal double-spin asymmetry for inclusive jet and dijet production in polarized proton collisions at <math> <msqrt> <mi>s</mi> </msqrt> <mo>=</mo> <mn>200</mn> <mtext> </mtext> <mtext> </mtext> <mi>GeV</mi> </math></a></h2> <div class="metadata"> <small class="text-muted" style="text-transform:uppercase;display:block;line-height:2.5em;">Journal Article</small><span class="authors"> <span class="author">Abdallah, M. S.</span> ; <span class="author">Adam, J.</span> ; <span class="author">Adamczyk, L.</span> ; <span class="author">...</span> <span class="text-muted pubdata"> - Physical Review D</span> </span> </div> <div class="abstract">We repor<a href='#' onclick='$(this).hide().next().show().next().show();return false;' style='margin-left:10px;'>more »</a><span style='display:none;'> t high-precision measurements of the longitudinal double-spin asymmetry, <math> <msub> <mi>A</mi> <mrow> <mi>L</mi> <mi>L</mi> </mrow> </msub> </math>, for midrapidity inclusive jet and dijet production in polarized <math> <mi>p</mi><mi>p</mi> </math> collisions at a center-of-mass energy of <math> <msqrt> <mi>s</mi> </msqrt><mo>=</mo><mn>200</mn><mtext></mtext><mtext> </mtext><mi>GeV</mi> </math>. The new inclusive jet data are sensitive to the gluon helicity distribution, <math> <mi mathvariant="normal">Δ</mi><mi>g</mi><mo>(</mo><mi>x</mi><mo>,</mo><msup><mi>Q</mi><mn>2</mn></msup><mo>)</mo> </math>, for gluon momentum fractions in the range from <math> <mi>x</mi><mo>≃</mo><mn>0.05</mn> </math> to <math> <mi>x</mi><mo>≃</mo><mn>0.5</mn> </math>, while the new dijet data provide further constraints on the <math> <mi>x</mi> </math> dependence of <math> <mi mathvariant="normal">Δ</mi><mi>g</mi><mo>(</mo><mi>x</mi><mo>,</mo><msup><mi>Q</mi><mn>2</mn></msup><mo>)</mo> </math>. The results are in good agreement with previous measurements at <math> <msqrt> <mi>s</mi> </msqrt><mo>=</mo><mn>200</mn><mtext> </mtext><mtext></mtext><mi>GeV</mi> </math> and with recent theoretical evaluations of prior world data. Our new results have better precision and thus strengthen the evidence that <math> <mi mathvariant="normal">Δ</mi><mi>g</mi><mo>(</mo><mi>x</mi><mo>,</mo><msup><mi>Q</mi><mn>2</mn></msup><mo>)</mo> </math> is positive for <math> <mi>x</mi><mo>></mo><mn>0.05</mn> </math>.</span><a href='#' onclick='$(this).hide().prev().hide().prev().show();return false;' style='margin-left:10px;display:none;'>« less</a></div><div class="metadata-links small clearfix text-muted" style="margin-top:15px;"> <div class="pure-menu pure-menu-horizontal pull-right" style="width:unset;"> <ul class="pure-menu-list"> <li class="pure-menu-item"><span class="item-info-ftlink"><a class="misc doi-link " href="https://doi.org/10.1103/PhysRevD.103.L091103" target="_blank" rel="noopener" title="Link to document DOI" data-ostiid="1784815" data-product-type="Journal Article" data-product-subtype="PA" >https://doi.org/10.1103/PhysRevD.103.L091103</a></span></li> </ul> </div> </div> </div> <div class="clearfix"></div> </div> </li> </ul> </aside> </div> </section> </div> <div class="col-sm-3 order-sm-3"> <ul class="nav nav-stacked"> <li class="active"><a class="tab-nav disabled" data-tab="related" style="color: #636c72 !important; opacity: 1;"><span class="fa fa-angle-right"></span> Similar Records</a></li> </ul> </div> </div> </section> </div></div> </div> </div> </section> <footer class="" style="background-color:#f9f9f9;"> <div class="footer-minor"> <div class="container"> <hr class="footer-separator"/> <br/> <div class="col text-center mt-3"> <div class="pure-menu pure-menu-horizontal"> <ul class="pure-menu-list" id="footer-org-menu"> <li class="pure-menu-item"> <a href="https://energy.gov" target="_blank" rel="noopener noreferrer"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" class="sprite sprite-footer-us-doe-min" alt="U.S. Department of Energy" /> </a> </li> <li class="pure-menu-item"> <a href="https://www.energy.gov/science/office-science" target="_blank" rel="noopener noreferrer"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" class="sprite sprite-footer-office-of-science-min" alt="Office of Science" /> </a> </li> <li class="pure-menu-item"> <a href="https://www.osti.gov" target="_blank" rel="noopener noreferrer"> <img src="data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" class="sprite sprite-footer-osti-min" alt="Office of Scientific and Technical Information" /> </a> </li> </ul> </div> </div> <div class="col text-center small" style="margin-top: 0.5em;margin-bottom:2.0rem;"> <div class="row justify-content-center" style="color:white"> <div class="pure-menu pure-menu-horizontal" style='white-space:normal'> <ul class="pure-menu-list"> <li class="pure-menu-item"><a href="https://www.osti.gov/disclaim" class="pure-menu-link" target="_blank" ref="noopener noreferrer"><span class="fa fa-institution"></span> Website Policies <span class="d-none d-sm-inline d-print-none" style="color:#737373;">/ Important Links</span></a></li> <li class="pure-menu-item" style='float:none;'><a href="/pages/contact" class="pure-menu-link"><span class="fa fa-comments-o"></span>Contact Us</a></li> <li class="d-block d-md-none mb-1"></li> <li class="pure-menu-item" style='float:none;'><a target="_blank" title="Vulnerability Disclosure Program" class="pure-menu-link" href="https://doe.responsibledisclosure.com/hc/en-us" rel="noopener noreferrer">Vulnerability Disclosure Program</a></li> <li class="d-block d-lg-none mb-1"></li> <li class="pure-menu-item" style="float:none;"><a href="https://www.facebook.com/ostigov" target="_blank" class="pure-menu-link social ext fa fa-facebook" rel="noopener noreferrer"><span class="sr-only" style="background-color: #fff; color: #333;">Facebook</span></a></li> <li class="pure-menu-item" style="float:none;"><a href="https://twitter.com/OSTIgov" target="_blank" class="pure-menu-link social ext fa fa-twitter" rel="noopener noreferrer"><span class="sr-only" style="background-color: #fff; color: #333;">Twitter</span></a></li> <li class="pure-menu-item" style="float:none;"><a href="https://www.youtube.com/user/ostigov" target="_blank" class="pure-menu-link social ext fa fa-youtube-play" rel="noopener noreferrer"><span class="sr-only" style="background-color: #fff; color: #333;">Youtube</span></a></li> </ul> </div> </div> </div> </div> </div> </footer> <link href="/pages/css/pages.fonts.240327.0205.css" rel="stylesheet"> <script src="/pages/js/pages.240327.0205.js"></script><noscript></noscript> <script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.4/MathJax.js?config=TeX-MML-AM_CHTML' async> MathJax.Hub.Config({ tex2jax: {displayMath: [], inlineMath: [['$$','$$'], ['\\(','\\)']]}, asciimath2jax: {delimiters: []}, skipStartupTypeset: true, webFont: null, CommonHTML: { scale: 84, // mathjx wants to scale everything to 119% by default? 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