Detecting a boosted diboson resonance

Agashe, Kaustubh; Collins, Jack H.; Du, Peizhi; Hong, Sungwoo; Kim, Doojin; Mishra, Rashmish K.

doi:10.1007/jhep11(2018)027

Title: Detecting a boosted diboson resonance

Abstract

New light scalar particles in the mass range of hundreds of GeV, decaying into a pair of W/Z bosons can appear in several extensions of the SM. The focus of collider studies for such a scalar is often on its direct production, where the scalar is typically only mildly boosted. The observed W/Z are therefore well-separated, allowing analyses for the scalar resonance in a standard fashion as a low-mass diboson resonance. In this work we instead focus on the scenario where the direct production of the scalar is suppressed, and it is rather produced via the decay of a significantly heavier (a few TeV mass) new particle, in conjunction with SM particles. Such a process results in the scalar being highly boosted, rendering the W/Z’s from its decay merged. The final state in such a decay is a “fat” jet, which can be either four pronged (for fully hadronic W/Z decays), or may be like a W/Z jet, but with leptons buried inside (if one of the W/Z decays leptonically). In addition, this fat jet has a jet mass that can be quite different from that of the W/Z/Higgs/top quark-induced jet, and may be missed by existing searches. In thismore »« less

Authors:

Agashe, Kaustubh ^[1]; Collins, Jack H. ^[2]; Du, Peizhi ^[1]; Hong, Sungwoo ^[3]; Kim, Doojin ^[4];

^[5]

Univ. of Maryland, College Park, MD (United States)
Univ. of Maryland, College Park, MD (United States); Johns Hopkins Univ., Baltimore, MD (United States)
Cornell Univ., Ithaca, NY (United States)
European Organization for Nuclear Research (CERN), Geneva (Switzerland); Univ. of Arizona, Tucson, AZ (United States)
Istituto Nazionale di Fisica Nucleare (INFN), Pisa (Italy)

Publication Date:: Tue Nov 06 00:00:00 EST 2018

Research Org.:: Univ. of Arizona, Tucson, AZ (United States)

Sponsoring Org.:: USDOE Office of Science (SC); National Science Foundation (NSF); Korean Research Foundation (KRF)

OSTI Identifier:: 1611216

Grant/Contract Number:: SC0009913; FG02-13ER41976; PHY-1620074; PHY-1719877

Resource Type:: Accepted Manuscript

Journal Name:: Journal of High Energy Physics (Online)

Additional Journal Information:: Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2018; Journal Issue: 11; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; physics; jets; phenomenological models

Citation Formats


                    Agashe, Kaustubh, Collins, Jack H., Du, Peizhi, Hong, Sungwoo, Kim, Doojin, and Mishra, Rashmish K. Detecting a boosted diboson resonance.  United States: N. p., 2018. 
Web.  doi:10.1007/jhep11(2018)027.

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                    Agashe, Kaustubh, Collins, Jack H., Du, Peizhi, Hong, Sungwoo, Kim, Doojin, & Mishra, Rashmish K. Detecting a boosted diboson resonance.  United States.  https://doi.org/10.1007/jhep11(2018)027

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                    Agashe, Kaustubh, Collins, Jack H., Du, Peizhi, Hong, Sungwoo, Kim, Doojin, and Mishra, Rashmish K. Tue .  
"Detecting a boosted diboson resonance".  United States.  https://doi.org/10.1007/jhep11(2018)027.  https://www.osti.gov/servlets/purl/1611216.

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@article{osti_1611216,

  title        = {Detecting a boosted diboson resonance},

  author       = {Agashe, Kaustubh and Collins, Jack H. and Du, Peizhi and Hong, Sungwoo and Kim, Doojin and Mishra, Rashmish K.},

  abstractNote = {New light scalar particles in the mass range of hundreds of GeV, decaying into a pair of W/Z bosons can appear in several extensions of the SM. The focus of collider studies for such a scalar is often on its direct production, where the scalar is typically only mildly boosted. The observed W/Z are therefore well-separated, allowing analyses for the scalar resonance in a standard fashion as a low-mass diboson resonance. In this work we instead focus on the scenario where the direct production of the scalar is suppressed, and it is rather produced via the decay of a significantly heavier (a few TeV mass) new particle, in conjunction with SM particles. Such a process results in the scalar being highly boosted, rendering the W/Z’s from its decay merged. The final state in such a decay is a “fat” jet, which can be either four pronged (for fully hadronic W/Z decays), or may be like a W/Z jet, but with leptons buried inside (if one of the W/Z decays leptonically). In addition, this fat jet has a jet mass that can be quite different from that of the W/Z/Higgs/top quark-induced jet, and may be missed by existing searches. In this work, we develop dedicated algorithms for tagging such multi-layered “boosted dibosons” at the LHC. As a concrete application, we discuss an extension of the standard warped extra dimensional framework where such a light scalar can arise. We demonstrate that the use of these algorithms gives sensitivity in mass ranges that are otherwise poorly constrained.},

  doi          = {10.1007/jhep11(2018)027},

  journal      = {Journal of High Energy Physics (Online)},

  number       = 11,

  volume       = 2018,

  place        = {United States},

  year         = {Tue Nov 06 00:00:00 EST 2018},

  month        = {Tue Nov 06 00:00:00 EST 2018}

}

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Works referenced in this record:

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Works referencing / citing this record:

Jets with electrons from boosted top quarks
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Chatterjee, Suman; Godbole, Rohini; Roy, Tuhin S.
Journal of High Energy Physics, Vol. 2020, Issue 1
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Title: Detecting a boosted diboson resonance

Abstract

Citation Formats

LHC signals from cascade decays of warped vector resonances journal, May 2017

Profile of multiboson signals journal, May 2017

Traces of a triboson resonance journal, September 2016

Theory and phenomenology of two-Higgs-doublet models journal, July 2012

Diboson-jets and the search for resonant Zh production journal, August 2012

Identifying boosted new physics with non-isolated leptons journal, April 2015

The anti- k t jet clustering algorithm journal, April 2008

Neutrino mass as a signal of TeV scale physics journal, July 2016

Soft drop journal, May 2014

QCD radiation in the production of heavy colored particles at the LHC journal, February 2009

Recursive Soft Drop journal, June 2018

LHC benchmark scenarios for the real Higgs singlet extension of the standard model journal, May 2016

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations text, January 2014

Stealth multiboson signals journal, October 2017

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations journal, July 2014

Flavor universal resonances and warped gravity journal, January 2017

FastJet user manual: (for version 3.0.2) journal, March 2012

PYTHIA 6.4 physics and manual journal, May 2006

DELPHES 3: a modular framework for fast simulation of a generic collider experiment journal, February 2014

Better jet clustering algorithms journal, August 1997

A brief introduction to PYTHIA 8.1 journal, June 2008

Identifying boosted objects with N-subjettiness journal, March 2011

Asymptotic formulae for likelihood-based tests of new physics journal, February 2011

The anti-k_t jet clustering algorithm text, January 2008

QCD radiation in the production of heavy colored particles at the LHC text, January 2008

Diboson-Jets and the Search for Resonant Zh Production text, January 2012

LHC Benchmark Scenarios for the Real Higgs Singlet Extension of the Standard Model text, January 2016

Traces of a triboson resonance text, January 2016

LHC Signals from Cascade Decays of Warped Vector Resonances text, January 2016

Profile of multiboson signals text, January 2017

Techniques for improved heavy particle searches with jet substructure text, January 2009

Jets with electrons from boosted top quarks journal, January 2020

Extending the search for new resonances with machine learning journal, January 2019

LHC signals from cascade decays of warped vector resonances
journal, May 2017

Profile of multiboson signals
journal, May 2017

Traces of a triboson resonance
journal, September 2016

Theory and phenomenology of two-Higgs-doublet models
journal, July 2012

Diboson-jets and the search for resonant Zh production
journal, August 2012

Identifying boosted new physics with non-isolated leptons
journal, April 2015

The anti- k _t jet clustering algorithm
journal, April 2008

Neutrino mass as a signal of TeV scale physics
journal, July 2016

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journal, May 2014

QCD radiation in the production of heavy colored particles at the LHC
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Recursive Soft Drop
journal, June 2018

LHC benchmark scenarios for the real Higgs singlet extension of the standard model
journal, May 2016

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
text, January 2014

Stealth multiboson signals
journal, October 2017

The automated computation of tree-level and next-to-leading order differential cross sections, and their matching to parton shower simulations
journal, July 2014

Flavor universal resonances and warped gravity
journal, January 2017

FastJet user manual: (for version 3.0.2)
journal, March 2012

PYTHIA 6.4 physics and manual
journal, May 2006

DELPHES 3: a modular framework for fast simulation of a generic collider experiment
journal, February 2014

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journal, August 1997

A brief introduction to PYTHIA 8.1
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