Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions

Khachatryan, Vardan

doi:10.1007/JHEP10(2014)160

Title: Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions

Abstract

Our search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at the LHC. The dataset corresponds to an integrated luminosity of 24.6 fb^-1, with 4.9 fb^-1 at 7 TeV and 19.7 fb^-1 at 8 TeV. To enhance the sensitivity to neutral MSSM Higgs bosons, the search includes the case where the Higgs boson is produced in association with a b-quark jet. No excess is observed in the tau-lepton-pair invariant mass spectrum. Exclusion limits are presented in the MSSM parameter space for different benchmark scenarios, m _h ^max , m _h ^{mod +} , m _h^{mod -} , light-stop, light-stau, τ-phobic, and low-_{m H}. Lastly, upper limits on the cross section times branching fraction for gluon fusion and b-quark associated Higgs boson production are also given.

Authors:

Khachatryan, Vardan ^[1]

Yerevan Physics Inst. (YerPhI) (Armenia). et al.

Publication Date:: Tue Oct 28 00:00:00 EDT 2014

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

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

Contributing Org.:: CMS Collaboration

OSTI Identifier:: 1234842

Report Number(s):: FERMILAB-PUB-14-318-CMS; CERN-PH-EP-2014-192; CMS-HIG-13-021
Journal ID: ISSN 1029-8479; arXiv eprint number arXiv:1408.3316; TRN: US1500491

Grant/Contract Number:: AC02-07CH11359

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: 2014; Journal Issue: 10; Journal ID: ISSN 1029-8479

Publisher:: Springer Berlin

Country of Publication:: United States

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Khachatryan, Vardan. Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions.  United States: N. p., 2014. 
Web.  doi:10.1007/JHEP10(2014)160.

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                    Khachatryan, Vardan. Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions.  United States.  https://doi.org/10.1007/JHEP10(2014)160

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                    Khachatryan, Vardan. Tue .  
"Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions".  United States.  https://doi.org/10.1007/JHEP10(2014)160.  https://www.osti.gov/servlets/purl/1234842.

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@article{osti_1234842,

  title        = {Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions},

  author       = {Khachatryan, Vardan},

  abstractNote = {Our search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at the LHC. The dataset corresponds to an integrated luminosity of 24.6 fb-1, with 4.9 fb-1 at 7 TeV and 19.7 fb-1 at 8 TeV. To enhance the sensitivity to neutral MSSM Higgs bosons, the search includes the case where the Higgs boson is produced in association with a b-quark jet. No excess is observed in the tau-lepton-pair invariant mass spectrum. Exclusion limits are presented in the MSSM parameter space for different benchmark scenarios, m h max , m h mod + , m hmod - , light-stop, light-stau, τ-phobic, and low-m H. Lastly, upper limits on the cross section times branching fraction for gluon fusion and b-quark associated Higgs boson production are also given.},

  doi          = {10.1007/JHEP10(2014)160},

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

  number       = 10,

  volume       = 2014,

  place        = {United States},

  year         = {Tue Oct 28 00:00:00 EDT 2014},

  month        = {Tue Oct 28 00:00:00 EDT 2014}

}

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Figures / Tables:

Figure 1: Leading-order diagrams of the gluon fusion (left) and b-quark associated Higgs boson production, in the four-flavor (center) and the five-flavor (right) scheme.

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DOI: 10.48550/arxiv.1507.07567

$C P$ -odd component of the lightest neutral Higgs boson in the MSSM
journal, May 2015

Li, Bing; Wagner, Carlos E. M.
Physical Review D, Vol. 91, Issue 9
DOI: 10.1103/physrevd.91.095019

Invisible decay of the Higgs boson in the context of a thermal and nonthermal relic in MSSM
journal, May 2017

Barman, Rahool Kumar; Bélanger, Genevieve; Bhattacherjee, Biplob
Physical Review D, Vol. 95, Issue 9
DOI: 10.1103/physrevd.95.095018

Production of heavy Higgs bosons and decay into top quarks at the LHC
journal, February 2016

Bernreuther, W.; Galler, P.; Mellein, C.
Physical Review D, Vol. 93, Issue 3
DOI: 10.1103/physrevd.93.034032

Measurement of the $\mathrm {Z}/\gamma ^{*} \rightarrow \tau \tau $ cross section in pp collisions at $\sqrt{s} = 13 \hbox { TeV}$=13TeV and validation of $\tau $ lepton analysis techniques
text, January 2018

Sirunyan, A. M.; Tumasyan, A.; Adam, W.
Springer Verlag
DOI: 10.5445/ir/1000086220

Combined measurements of Higgs boson couplings in proton–proton collisions at $$\sqrt{s}=13\,\text {Te}\text {V} $$ s = 13 Te
journal, May 2019

Sirunyan, A. M.; Tumasyan, A.; Adam, W.
The European Physical Journal C, Vol. 79, Issue 5
DOI: 10.1140/epjc/s10052-019-6909-y

Confronting the fourth generation two-Higgs-doublet model with the phenomenology of heavy Higgs bosons
journal, November 2018

Kang, Sin Kyu; Qian, Zhuoni; Song, Jeonghyeon
Physical Review D, Vol. 98, Issue 9
DOI: 10.1103/physrevd.98.095025

Pseudoscalar mediators: a WIMP model at the neutrino floor
journal, March 2018

Arcadi, Giorgio; Lindner, Manfred; Queiroz, Farinaldo S.
Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 03
DOI: 10.1088/1475-7516/2018/03/042

Constraints on anomalous $H V V$ couplings from the production of Higgs bosons decaying to $τ$ lepton pairs
journal, December 2019

Sirunyan, A. M.; Tumasyan, A.; Adam, W.
Physical Review D, Vol. 100, Issue 11
DOI: 10.1103/physrevd.100.112002

On-shell interference effects in Higgs boson final states
journal, April 2015

Englert, Christoph; Low, Ian; Spannowsky, Michael
Physical Review D, Vol. 91, Issue 7
DOI: 10.1103/physrevd.91.074029

Scrutinizing the alignment limit in two-Higgs-doublet models. II. $m_{H} = 125 GeV$
journal, February 2016

Bernon, Jérémy; Gunion, John F.; Haber, Howard E.
Physical Review D, Vol. 93, Issue 3
DOI: 10.1103/physrevd.93.035027

Constraints on anomalous $HVV$ couplings from the production of Higgs bosons decaying to $\tau$ lepton pairs
text, January 2019

Sirunyan, Albert M.; Tumasyan, Armen; Adam, Wolfgang
RWTH Aachen University
DOI: 10.18154/rwth-2020-02206

Search for direct pair production of supersymmetric partners to the $${\uptau }_{}^{}$$τ lepton in proton–proton collisions at $$\sqrt{s}=13\,\text {TeV} $$s=13TeV
journal, March 2020

Sirunyan, A. M.; Tumasyan, A.; Adam, W.
The European Physical Journal C, Vol. 80, Issue 3
DOI: 10.1140/epjc/s10052-020-7739-7

LHC searches for heavy neutral Higgs bosons with a top jet substructure analysis
journal, May 2016

Chen, Ning; Li, Jinmian; Liu, Yandong
Physical Review D, Vol. 93, Issue 9
DOI: 10.1103/physrevd.93.095013

Measurement of the $$\mathrm {Z}/\gamma ^{*} \rightarrow \tau \tau $$ Z / γ ∗ → τ τ cross section in pp collisions at $$\sqrt{s} = 13 \hbox { TeV}$$ s = 13 TeV and validation of $$\tau $$ τ lepton analysis techniques
journal, September 2018

Sirunyan, A. M.; Tumasyan, A.; Adam, W.
The European Physical Journal C, Vol. 78, Issue 9
DOI: 10.1140/epjc/s10052-018-6146-9

Complementarity between nonstandard Higgs boson searches and precision Higgs boson measurements in the MSSM
journal, February 2015

Carena, Marcela; Haber, Howard E.; Low, Ian
Physical Review D, Vol. 91, Issue 3
DOI: 10.1103/physrevd.91.035003

Production of heavy Higgs bosons and decay into top quarks at the LHC
text, January 2015

Bernreuther, W.; Galler, P.; Mellein, C.
arXiv
DOI: 10.48550/arxiv.1511.05584

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Search for neutral MSSM Higgs bosons decaying into a pair of bottom quarks

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A search for neutral Higgs bosons decaying into a bb¯ quark pair and produced in association with at least one additional b quark is presented. This signature is sensitive to the Higgs sector of the minimal supersymmetric standard model (MSSM) with large values of the parameter tan β. The analysis is based on data from proton-proton collisions at a center-of-mass energy of 8 TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 19.7 fb^–1. The results are combined with a previous analysis based on 7 TeV data. No signal is observed. Stringent upper limitsmore »« less
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A search for neutral Higgs bosons of the minimal supersymmetric standard model (MSSM) and for a heavneutral Z ' boson is performed using a data sample corresponding to an integrated luminosity of 3.2 fb ^{- 1} from proton–proton collisions at √s=13 TeV recorded by the ATLAS detector at the LHC. The heavy resonance is assumed to decay to a τ ⁺ τ^- pair with at least one τ lepton decaying to final states with hadrons and a neutrino. The search is performed in the mass range of 0.2–1.2 TeV for the MSSM neutral Higgs bosons and 0.5–2.5 TeV for the heavy neutral Z ' boson. The data are in good agreement with the background predicted by the Standard Model. The results are interpreted in MSSM and Z ' benchmark scenarios. The most stringent constraints on the MSSM m _A –tan β space exclude at 95 % confidence level (CL) tan β > 7.6 for m_A = 200 GeV in the mmore »« less
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A search for neutral Higgs bosons of the minimal supersymmetric standard model (MSSM) and for a heavneutral Z' boson is performed using a data sample corresponding to an integrated luminosity of 3.2 fb^-1 from proton–proton collisions at √s=13 TeV recorded by the ATLAS detector at the LHC. The heavy resonance is assumed to decay to a τ⁺τ^- pair with at least one τ lepton decaying to final states with hadrons and a neutrino. The search is performed in the mass range of 0.2–1.2 TeV for the MSSM neutral Higgs bosons and 0.5–2.5 TeV for the heavy neutral Z' boson. The data are in good agreement with the background predicted by the Standard Model. The results are interpreted in MSSM and Z' benchmark scenarios. The most stringent constraints on the MSSM m_A – tanβ space exclude at 95 % confidence level (CL) tanβ>7.6 for mA=200 GeV in the mmore »« less
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