Search for new particles in an extended Higgs sector with four b quarks in the final state at s=13TeV

The CMS collaboration

doi:10.1016/j.physletb.2022.137566

Search for new particles in an extended Higgs sector with four b quarks in the final state at s=13TeV

The CMS collaboration

School of Physics

CERN
A. Alikhanian Yerevan Institute of Physics
Austrian Academy of Sciences
Belarusian State University
University of Antwerp
Vrije Universiteit Brussel
Université libre de Bruxelles
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Korea University
Ghent University
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Universidade Estadual Paulista Júlio de Mesquita Filho
Universidade Federal do ABC
Bulgarian Academy of Sciences
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Peking University
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Fudan University
University of California at Riverside
Rice University
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Universidad de los Andes Colombia
Universidad de Antioquia
University of Split
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University of Cyprus
Charles University
Escuela Politécnica Nacional
Universidad San Francisco de Quito
Academy of Scientific Research and Technology
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National Institute of Chemical Physics and Biophysics, Tallinn
University of Helsinki
Lappeenranta-Lahti University of Technology
Université Paris-Saclay
Laboratoire Leprince-Ringuet
Université de Strasbourg
Institut de Physique des 2 Infinis de Lyon
Georgian Technical University
RWTH Aachen University
Tata Institute of Fundamental Research
Indian Institute of Technology Madras
German Electron Synchrotron
Saha Institute of Nuclear Physics
Northwestern University
University of Kansas
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Karlsruhe Institute of Technology
Demokritos National Centre for Scientific Research
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Lomonosov Moscow State University
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Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

A search for a massive resonance X decaying to a pair of spin-0 bosons ϕ that themselves decay to pairs of bottom quarks, is presented. The analysis is restricted to the mass ranges m_ϕ from 25 to 100 GeV and m_X from 1 to 3 TeV. For these mass ranges, the decay products of each ϕ boson are expected to merge into a single large-radius jet. Jet substructure and flavor identification techniques are used to identify these jets. The search is based on CERN LHC proton-proton collision data at s=13TeV, collected with the CMS detector in 2016–2018, corresponding to an integrated luminosity of 138fb⁻¹. Model-specific limits, where the two new particles arise from an extended Higgs sector, are set on the product of the production cross section and branching fraction for X→ϕϕ→(bb‾)(bb‾) as a function of the resonances' masses, where both the X→ϕϕ and ϕ→bb‾ branching fractions are assumed to be 100%. These limits are the first of their kind on this process, ranging between 30 and 1 fb at 95% confidence level for the considered mass ranges.

Original language	English
Article number	137566
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	835
DOIs	https://doi.org/10.1016/j.physletb.2022.137566
State	Published - 10 Dec 2022

Keywords

2HDM
BSM
CMS
Higgs

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10.1016/j.physletb.2022.137566

Cite this

@article{ea71899960fc4af2bb1286e1a803d161,

title = "Search for new particles in an extended Higgs sector with four b quarks in the final state at s=13TeV",

abstract = "A search for a massive resonance X decaying to a pair of spin-0 bosons ϕ that themselves decay to pairs of bottom quarks, is presented. The analysis is restricted to the mass ranges mϕ from 25 to 100 GeV and mX from 1 to 3 TeV. For these mass ranges, the decay products of each ϕ boson are expected to merge into a single large-radius jet. Jet substructure and flavor identification techniques are used to identify these jets. The search is based on CERN LHC proton-proton collision data at s=13TeV, collected with the CMS detector in 2016–2018, corresponding to an integrated luminosity of 138fb−1. Model-specific limits, where the two new particles arise from an extended Higgs sector, are set on the product of the production cross section and branching fraction for X→ϕϕ→(bb‾)(bb‾) as a function of the resonances' masses, where both the X→ϕϕ and ϕ→bb‾ branching fractions are assumed to be 100\%. These limits are the first of their kind on this process, ranging between 30 and 1 fb at 95\% confidence level for the considered mass ranges.",

keywords = "2HDM, BSM, CMS, Higgs",

author = "\{The CMS collaboration\} and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and \{Escalante Del Valle\}, A. and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and L. Lechner and D. Liko and I. Mikulec and P. Paulitsch and Pitters, \{F. M.\} and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and V. Chekhovsky and A. Litomin and V. Makarenko and Darwish, \{M. R.\} and \{De Wolf\}, \{E. A.\} and T. Janssen and T. Kello and A. Lelek and \{Rejeb Sfar\}, H. and \{Van Mechelen\}, P. and \{Van Putte\}, S. and \{Van Remortel\}, N. and Bols, \{E. S.\} and J. D'Hondt and \{De Moor\}, A. and M. Delcourt and \{El Faham\}, H. and S. Lowette and S. Moortgat and A. Morton and D. M{\"u}ller and Sahasransu, \{A. R.\} and S. Tavernier and \{Van Doninck\}, W. and D. Vannerom and D. Beghin and T. Cheng and L. Wang",

note = "Publisher Copyright: {\textcopyright} 2022 The Author(s)",

year = "2022",

month = dec,

day = "10",

doi = "10.1016/j.physletb.2022.137566",

language = "英语",

volume = "835",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Search for new particles in an extended Higgs sector with four b quarks in the final state at s=13TeV

AU - The CMS collaboration

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Escalante Del Valle, A.

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Lechner, L.

AU - Liko, D.

AU - Mikulec, I.

AU - Paulitsch, P.

AU - Pitters, F. M.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Templ, S.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Chekhovsky, V.

AU - Litomin, A.

AU - Makarenko, V.

AU - Darwish, M. R.

AU - De Wolf, E. A.

AU - Janssen, T.

AU - Kello, T.

AU - Lelek, A.

AU - Rejeb Sfar, H.

AU - Van Mechelen, P.

AU - Van Putte, S.

AU - Van Remortel, N.

AU - Bols, E. S.

AU - D'Hondt, J.

AU - De Moor, A.

AU - Delcourt, M.

AU - El Faham, H.

AU - Lowette, S.

AU - Moortgat, S.

AU - Morton, A.

AU - Müller, D.

AU - Sahasransu, A. R.

AU - Tavernier, S.

AU - Van Doninck, W.

AU - Vannerom, D.

AU - Beghin, D.

AU - Cheng, T.

AU - Wang, L.

PY - 2022/12/10

Y1 - 2022/12/10

N2 - A search for a massive resonance X decaying to a pair of spin-0 bosons ϕ that themselves decay to pairs of bottom quarks, is presented. The analysis is restricted to the mass ranges mϕ from 25 to 100 GeV and mX from 1 to 3 TeV. For these mass ranges, the decay products of each ϕ boson are expected to merge into a single large-radius jet. Jet substructure and flavor identification techniques are used to identify these jets. The search is based on CERN LHC proton-proton collision data at s=13TeV, collected with the CMS detector in 2016–2018, corresponding to an integrated luminosity of 138fb−1. Model-specific limits, where the two new particles arise from an extended Higgs sector, are set on the product of the production cross section and branching fraction for X→ϕϕ→(bb‾)(bb‾) as a function of the resonances' masses, where both the X→ϕϕ and ϕ→bb‾ branching fractions are assumed to be 100%. These limits are the first of their kind on this process, ranging between 30 and 1 fb at 95% confidence level for the considered mass ranges.

AB - A search for a massive resonance X decaying to a pair of spin-0 bosons ϕ that themselves decay to pairs of bottom quarks, is presented. The analysis is restricted to the mass ranges mϕ from 25 to 100 GeV and mX from 1 to 3 TeV. For these mass ranges, the decay products of each ϕ boson are expected to merge into a single large-radius jet. Jet substructure and flavor identification techniques are used to identify these jets. The search is based on CERN LHC proton-proton collision data at s=13TeV, collected with the CMS detector in 2016–2018, corresponding to an integrated luminosity of 138fb−1. Model-specific limits, where the two new particles arise from an extended Higgs sector, are set on the product of the production cross section and branching fraction for X→ϕϕ→(bb‾)(bb‾) as a function of the resonances' masses, where both the X→ϕϕ and ϕ→bb‾ branching fractions are assumed to be 100%. These limits are the first of their kind on this process, ranging between 30 and 1 fb at 95% confidence level for the considered mass ranges.

KW - 2HDM

KW - BSM

KW - CMS

KW - Higgs

UR - https://www.scopus.com/pages/publications/85144207105

U2 - 10.1016/j.physletb.2022.137566

DO - 10.1016/j.physletb.2022.137566

M3 - 文章

AN - SCOPUS:85144207105

SN - 0370-2693

VL - 835

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 137566

ER -

Search for new particles in an extended Higgs sector with four b quarks in the final state at s=13TeV

Abstract

Keywords

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