Search for bottom-type vectorlike quark pair production in dileptonic and fully hadronic final states in proton-proton collisions at √s p = 13 TeV

CMS Collaboration

doi:10.1103/PhysRevD.110.052004

Search for bottom-type vectorlike quark pair production in dileptonic and fully hadronic final states in proton-proton collisions at √s p = 13 TeV

CMS Collaboration

Institute of Chemical Physics

A. Alikhanian Yerevan Institute of Physics
Yerevan State University
Austrian Academy of Sciences
Indian Institute of Technology Madras
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Arab Academy for Science, Technology and Maritime Transport
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Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

A search is described for the production of a pair of bottom-type vectorlike quarks (Formula Presented VLQs) with mass greater than 1000 GeV. Each Formula Presented VLQ decays into a Formula Presented quark and a Higgs boson, a Formula Presented quark and a Formula Presented boson, or a Formula Presented quark and a Formula Presented boson. This analysis considers both fully hadronic final states and those containing a charged lepton pair from a Formula Presented boson decay. The products of the Formula Presented boson decay and of the hadronic Formula Presented or Formula Presented boson decays can be resolved as two distinct jets or merged into a single jet, so the final states are classified by the number of reconstructed jets. The analysis uses data corresponding to an integrated luminosity of Formula Presented collected in proton-proton collisions at Formula Presented with the CMS detector at the LHC from 2016 to 2018. No excess over the expected background is observed. Lower limits are set on the Formula Presented VLQ mass at the 95% confidence level. These depend on the Formula Presented VLQ branching fractions and are 1570 and 1540 GeV for 100% Formula Presented and 100% Formula Presented, respectively. In most cases, the mass limits obtained exceed previous limits by at least 100 GeV.

Original language	English
Article number	052004
Journal	Physical Review D
Volume	110
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.110.052004
Publication status	Published - 1 Sept 2024

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10.1103/PhysRevD.110.052004

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@article{693b94568ec344c19dbda87816ef11bf,

title = "Search for bottom-type vectorlike quark pair production in dileptonic and fully hadronic final states in proton-proton collisions at √s p = 13 TeV",

abstract = "A search is described for the production of a pair of bottom-type vectorlike quarks (Formula Presented VLQs) with mass greater than 1000 GeV. Each Formula Presented VLQ decays into a Formula Presented quark and a Higgs boson, a Formula Presented quark and a Formula Presented boson, or a Formula Presented quark and a Formula Presented boson. This analysis considers both fully hadronic final states and those containing a charged lepton pair from a Formula Presented boson decay. The products of the Formula Presented boson decay and of the hadronic Formula Presented or Formula Presented boson decays can be resolved as two distinct jets or merged into a single jet, so the final states are classified by the number of reconstructed jets. The analysis uses data corresponding to an integrated luminosity of Formula Presented collected in proton-proton collisions at Formula Presented with the CMS detector at the LHC from 2016 to 2018. No excess over the expected background is observed. Lower limits are set on the Formula Presented VLQ mass at the 95\% confidence level. These depend on the Formula Presented VLQ branching fractions and are 1570 and 1540 GeV for 100\% Formula Presented and 100\% Formula Presented, respectively. In most cases, the mass limits obtained exceed previous limits by at least 100 GeV.",

author = "\{CMS Collaboration\} and A. Hayrapetyan and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and Hussain, \{P. S.\} and M. Jeitler and N. Krammer and A. Li and D. Liko and I. Mikulec and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and M. Sonawane and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and Darwish, \{M. R.\} and T. Janssen and \{Van Mechelen\}, P. and Bols, \{E. S.\} and J. D{\textquoteright}Hondt and S. Dansana and \{De Moor\}, A. and M. Delcourt and \{El Faham\}, H. and S. Lowette and I. Makarenko and D. M{\"u}ller and Sahasransu, \{A. R.\} and S. Tavernier and M. Tytgat and \{Van Onsem\}, \{G. P.\} and \{Van Putte\}, S. and D. Vannerom and B. Clerbaux and Das, \{A. K.\} and \{De Lentdecker\}, G. and L. Favart and D. Hohov and J. Jaramillo and A. Khalilzadeh and K. Lee and M. Mahdavikhorrami and A. Malara and Strautnieks, \{N. R.\}",

note = "Publisher Copyright: {\textcopyright} 2024 CERN, for the CMS Collaboration.",

year = "2024",

month = sep,

day = "1",

doi = "10.1103/PhysRevD.110.052004",

language = "English",

volume = "110",

journal = "Physical Review D",

issn = "2470-0010",

publisher = "American Physical Society",

number = "5",

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T1 - Search for bottom-type vectorlike quark pair production in dileptonic and fully hadronic final states in proton-proton collisions at √s p = 13 TeV

AU - CMS Collaboration

AU - Hayrapetyan, A.

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Hussain, P. S.

AU - Jeitler, M.

AU - Krammer, N.

AU - Li, A.

AU - Liko, D.

AU - Mikulec, I.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Sonawane, M.

AU - Templ, S.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Darwish, M. R.

AU - Janssen, T.

AU - Van Mechelen, P.

AU - Bols, E. S.

AU - D’Hondt, J.

AU - Dansana, S.

AU - De Moor, A.

AU - Delcourt, M.

AU - El Faham, H.

AU - Lowette, S.

AU - Makarenko, I.

AU - Müller, D.

AU - Sahasransu, A. R.

AU - Tavernier, S.

AU - Tytgat, M.

AU - Van Onsem, G. P.

AU - Van Putte, S.

AU - Vannerom, D.

AU - Clerbaux, B.

AU - Das, A. K.

AU - De Lentdecker, G.

AU - Favart, L.

AU - Hohov, D.

AU - Jaramillo, J.

AU - Khalilzadeh, A.

AU - Lee, K.

AU - Mahdavikhorrami, M.

AU - Malara, A.

AU - Strautnieks, N. R.

PY - 2024/9/1

Y1 - 2024/9/1

N2 - A search is described for the production of a pair of bottom-type vectorlike quarks (Formula Presented VLQs) with mass greater than 1000 GeV. Each Formula Presented VLQ decays into a Formula Presented quark and a Higgs boson, a Formula Presented quark and a Formula Presented boson, or a Formula Presented quark and a Formula Presented boson. This analysis considers both fully hadronic final states and those containing a charged lepton pair from a Formula Presented boson decay. The products of the Formula Presented boson decay and of the hadronic Formula Presented or Formula Presented boson decays can be resolved as two distinct jets or merged into a single jet, so the final states are classified by the number of reconstructed jets. The analysis uses data corresponding to an integrated luminosity of Formula Presented collected in proton-proton collisions at Formula Presented with the CMS detector at the LHC from 2016 to 2018. No excess over the expected background is observed. Lower limits are set on the Formula Presented VLQ mass at the 95% confidence level. These depend on the Formula Presented VLQ branching fractions and are 1570 and 1540 GeV for 100% Formula Presented and 100% Formula Presented, respectively. In most cases, the mass limits obtained exceed previous limits by at least 100 GeV.

AB - A search is described for the production of a pair of bottom-type vectorlike quarks (Formula Presented VLQs) with mass greater than 1000 GeV. Each Formula Presented VLQ decays into a Formula Presented quark and a Higgs boson, a Formula Presented quark and a Formula Presented boson, or a Formula Presented quark and a Formula Presented boson. This analysis considers both fully hadronic final states and those containing a charged lepton pair from a Formula Presented boson decay. The products of the Formula Presented boson decay and of the hadronic Formula Presented or Formula Presented boson decays can be resolved as two distinct jets or merged into a single jet, so the final states are classified by the number of reconstructed jets. The analysis uses data corresponding to an integrated luminosity of Formula Presented collected in proton-proton collisions at Formula Presented with the CMS detector at the LHC from 2016 to 2018. No excess over the expected background is observed. Lower limits are set on the Formula Presented VLQ mass at the 95% confidence level. These depend on the Formula Presented VLQ branching fractions and are 1570 and 1540 GeV for 100% Formula Presented and 100% Formula Presented, respectively. In most cases, the mass limits obtained exceed previous limits by at least 100 GeV.

UR - https://www.scopus.com/pages/publications/85211701187

U2 - 10.1103/PhysRevD.110.052004

DO - 10.1103/PhysRevD.110.052004

M3 - Article

AN - SCOPUS:85211701187

SN - 2470-0010

VL - 110

JO - Physical Review D

JF - Physical Review D

IS - 5

M1 - 052004

ER -

Search for bottom-type vectorlike quark pair production in dileptonic and fully hadronic final states in proton-proton collisions at √s p = 13 TeV

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