Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at √s = 1.96 TeV

Abazov, Victor Mukhamedovich

doi:10.1103/PhysRevLett.114.051803

Title: Measurement of the Forward-Backward Asymmetry in the Production of B^± Mesons in pp¯ Collisions at √s = 1.96 TeV

Abstract

We present a measurement of the forward-backward asymmetry in the production of B^± mesons, A_FB(B^±), using B^± → J/ψK^± decays in 10.4 fb^-1 of pp¯ collisions at √s = 1.96 TeV collected by the D0 experiment during Run II of the Tevatron collider. A nonzero asymmetry would indicate a preference for a particular flavor, i.e., b quark or b¯ antiquark, to be produced in the direction of the proton beam. We extract A_FB(B^±) from a maximum likelihood fit to the difference between the numbers of forward- and backward-produced B^± mesons. We measure an asymmetry consistent with zero: A_FB(B^±) = [-0.24 ± 0.41 (stat) ± 0.19 (syst)]%.

Authors:

Abazov, Victor Mukhamedovich ^[1]

Joint Inst. for Nuclear Research (JINR), Dubna (Russian Federation); et al.

Publication Date:: Wed Feb 04 00:00:00 EST 2015

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

Contributing Org.:: D0 Collaboration

OSTI Identifier:: 1226304

Report Number(s):: FERMILAB-PUB-14-472-E
Journal ID: ISSN 0031-9007; arXiv eprint number arXiv:1411.3021; TRN: US1600795

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 114; Journal Issue: 05; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Abazov, Victor Mukhamedovich. Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at √s = 1.96 TeV.  United States: N. p., 2015. 
Web.  doi:10.1103/PhysRevLett.114.051803.

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                    Abazov, Victor Mukhamedovich. Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at √s = 1.96 TeV.  United States.  https://doi.org/10.1103/PhysRevLett.114.051803

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                    Abazov, Victor Mukhamedovich. Wed .  
"Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at √s = 1.96 TeV".  United States.  https://doi.org/10.1103/PhysRevLett.114.051803.  https://www.osti.gov/servlets/purl/1226304.

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@article{osti_1226304,

  title        = {Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at √s = 1.96 TeV},

  author       = {Abazov, Victor Mukhamedovich},

  abstractNote = {We present a measurement of the forward-backward asymmetry in the production of B± mesons, AFB(B±), using B± → J/ψK± decays in 10.4 fb-1 of pp¯ collisions at √s = 1.96 TeV collected by the D0 experiment during Run II of the Tevatron collider. A nonzero asymmetry would indicate a preference for a particular flavor, i.e., b quark or b¯ antiquark, to be produced in the direction of the proton beam. We extract AFB(B±) from a maximum likelihood fit to the difference between the numbers of forward- and backward-produced B± mesons. We measure an asymmetry consistent with zero: AFB(B±) = [-0.24 ± 0.41 (stat) ± 0.19 (syst)]%.},

  doi          = {10.1103/PhysRevLett.114.051803},

  journal      = {Physical Review Letters},

  number       = 05,

  volume       = 114,

  place        = {United States},

  year         = {Wed Feb 04 00:00:00 EST 2015},

  month        = {Wed Feb 04 00:00:00 EST 2015}

}

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Works referenced in this record:

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Works referencing / citing this record:

Measurement of the forward-backward asymmetries in the production of $Ξ$ and $Ω$ baryons in $p \bar{p}$ collisions
journal, June 2016

Abazov, V. M.; Abbott, B.; Acharya, B. S.
Physical Review D, Vol. 93, Issue 11
DOI: 10.1103/physrevd.93.112001

Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions
journal, June 2016

Aaltonen, T.; Amerio, S.; Amidei, D.
Physical Review D, Vol. 93, Issue 11
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Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions
text, January 2016

Collaboration, Cdf; al, et; F., Canelli,
American Physical Society
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Title: Measurement of the Forward-Backward Asymmetry in the Production of B± Mesons in pp¯ Collisions at √s = 1.96 TeV

Abstract

Citation Formats

The muon system of the Run II DØdetector journal, November 2005

New Generation of Parton Distributions with Uncertainties from Global QCD Analysis journal, July 2002

Charge asymmetries of top quarks at hadron colliders revisited journal, January 2012

Matching NLO QCD computations and parton shower simulations journal, June 2002

Muon reconstruction and identification with the Run II D0 detector journal, February 2014

Threshold resummation for the top quark charge asymmetry journal, July 2008

Review of Particle Physics journal, August 2014

On models of new physics for the Tevatron top A FB journal, June 2011

Bottom-Quark Forward-Backward Asymmetry in the Standard Model and Beyond journal, August 2013

PYTHIA 6.4 physics and manual journal, May 2006

Inclusive jet production, parton distributions, and the search for new physics journal, October 2003

Bottom-quark fragmentation: Comparing results from tuned event generators and resummed calculations journal, December 2005

Charge asymmetry of heavy quarks at hadron colliders journal, February 1999

Measurements of the $ \mathrm{t}\overline{\mathrm{t}} $ charge asymmetry using the dilepton decay channel in pp collisions at $ \sqrt{s} $ = 7 TeV journal, April 2014

Measurement of the asymmetry in angular distributions of leptons produced in dilepton t t ¯ final states in p p ¯ collisions at s = 1.96 TeV journal, December 2013

Electroweak Sudakov corrections and the top quark forward–backward asymmetry journal, May 2012

Erratum: Bottom-Quark Forward-Backward Asymmetry in the Standard Model and Beyond [Phys. Rev. Lett. 111, 062003 (2013)] journal, June 2014

Simple models for the top asymmetry: constraints and predictions journal, September 2011

Measurement of leptonic asymmetries and top-quark polarization in t t ¯ production journal, January 2013

Measurement of direct C P violation parameters in B ± → J / ψ K ± and B ± → J / ψ π ± decays with 10.4 fb − 1 of Tevatron data journal, June 2013

Evidence for an anomalous like-sign dimuon charge asymmetry journal, August 2010

Review of new physics effects in $t\bar{t}$ production journal, August 2012

Matching NLO QCD and parton showers in heavy flavour production journal, August 2003

HERWIG 6: an event generator for hadron emission reactions with interfering gluons (including supersymmetric processes) journal, January 2001

First Measurement of the Charge Asymmetry in Beauty-Quark Pair Production journal, August 2014

Light axigluon contributions to b b ¯ and c c ¯ asymmetry and constraints on flavor changing axigluon currents journal, June 2013

Measurement of the top quark pair production charge asymmetry in proton-proton collisions at $ \sqrt{s} $ = 7 TeV using the ATLAS detector journal, February 2014

The upgraded DØ detector journal, September 2006

Measurement of the forward-backward asymmetries in the production of Ξ and Ω baryons in p p ¯ collisions journal, June 2016

Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions journal, June 2016

Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions text, January 2016

Title: Measurement of the Forward-Backward Asymmetry in the Production of B^± Mesons in pp¯ Collisions at √s = 1.96 TeV

The muon system of the Run II DØdetector
journal, November 2005

New Generation of Parton Distributions with Uncertainties from Global QCD Analysis
journal, July 2002

Charge asymmetries of top quarks at hadron colliders revisited
journal, January 2012

Matching NLO QCD computations and parton shower simulations
journal, June 2002

Muon reconstruction and identification with the Run II D0 detector
journal, February 2014

Threshold resummation for the top quark charge asymmetry
journal, July 2008

Review of Particle Physics
journal, August 2014

On models of new physics for the Tevatron top $A_{FB}$
journal, June 2011

Bottom-Quark Forward-Backward Asymmetry in the Standard Model and Beyond
journal, August 2013

PYTHIA 6.4 physics and manual
journal, May 2006

Inclusive jet production, parton distributions, and the search for new physics
journal, October 2003

Bottom-quark fragmentation: Comparing results from tuned event generators and resummed calculations
journal, December 2005

Charge asymmetry of heavy quarks at hadron colliders
journal, February 1999

Measurements of the $ \mathrm{t}\overline{\mathrm{t}} $ charge asymmetry using the dilepton decay channel in pp collisions at $ \sqrt{s} $ = 7 TeV
journal, April 2014

Measurement of the asymmetry in angular distributions of leptons produced in dilepton $t \bar{t}$ final states in $p \bar{p}$ collisions at $\sqrt{s} = 1.96 TeV$
journal, December 2013

Electroweak Sudakov corrections and the top quark forward–backward asymmetry
journal, May 2012

Erratum: Bottom-Quark Forward-Backward Asymmetry in the Standard Model and Beyond [Phys. Rev. Lett. 111, 062003 (2013)]
journal, June 2014

Simple models for the top asymmetry: constraints and predictions
journal, September 2011

Measurement of leptonic asymmetries and top-quark polarization in $t \bar{t}$ production
journal, January 2013

Measurement of direct $C P$ violation parameters in $B^{\pm} \to J / ψ K^{\pm}$ and $B^{\pm} \to J / ψ π^{\pm}$ decays with $10.4 {fb}^{- 1}$ of Tevatron data
journal, June 2013

Evidence for an anomalous like-sign dimuon charge asymmetry
journal, August 2010

Review of new physics effects in $t\bar{t}$ production
journal, August 2012

Matching NLO QCD and parton showers in heavy flavour production
journal, August 2003

HERWIG 6: an event generator for hadron emission reactions with interfering gluons (including supersymmetric processes)
journal, January 2001

First Measurement of the Charge Asymmetry in Beauty-Quark Pair Production
journal, August 2014

Light axigluon contributions to $b \bar{b}$ and $c \bar{c}$ asymmetry and constraints on flavor changing axigluon currents
journal, June 2013

Measurement of the top quark pair production charge asymmetry in proton-proton collisions at $ \sqrt{s} $ = 7 TeV using the ATLAS detector
journal, February 2014

The upgraded DØ detector
journal, September 2006

Measurement of the forward-backward asymmetries in the production of $Ξ$ and $Ω$ baryons in $p \bar{p}$ collisions
journal, June 2016

Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions
journal, June 2016

Measurement of the forward-backward asymmetry in low-mass bottom-quark pairs produced in proton-antiproton collisions
text, January 2016