Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector

M. Aaboud; G. Aad; B. Abbott; O. Abdinov; B Abeloos; DK Abhayasinghe; S.H. Abidi; Ossama Sherif Alexander AbouZeid; NL Abraham; H. Abramowicz; H. Abreu; Y. Abulaiti; B.S. Acharya; J Adachi; L. Adamczyk; J. Adelman; M. Adersberger; A. Adiguzel; T. Adye; A. A. Affolder; Y.  Afik; C. Agheorghiesei; J. A. Aguilar-Saavedra; F. Ahmadov; G. Aielli; S. Akatsuka; T. P. A. Akesson; E. Akilli; A. V. Akimov; Jørgen Beck Hansen; Peter Henrik Hansen; Alejandro Alonso Diaz; Mogens Dam; Geert-Jan Besjes; Graig Wiglesworth; James William Monk; Milena Bajic; Troels Christian Petersen; Jørn Dines Hansen; hqz214 hqz214; Simon Holm Stark; Gorm Aske Gram Krohn Galster; Flavia de Almeida Dias; Stefania Xella; ATLAS

doi:10.1016/j.physletb.2018.11.032

Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B Abeloos, DK Abhayasinghe, S.H. Abidi, Ossama Sherif Alexander AbouZeid, NL Abraham, H. Abramowicz, H. Abreu, Y. Abulaiti, B.S. Acharya, J Adachi, L. Adamczyk, J. Adelman, M. Adersberger, A. Adiguzel, T. Adye, A. A. AffolderY. Afik, C. Agheorghiesei, J. A. Aguilar-Saavedra, F. Ahmadov, G. Aielli, S. Akatsuka, T. P. A. Akesson, E. Akilli, A. V. Akimov, Jørgen Beck Hansen, Peter Henrik Hansen, Alejandro Alonso Diaz, Mogens Dam, Geert-Jan Besjes, Graig Wiglesworth, James William Monk, Milena Bajic, Troels Christian Petersen, Jørn Dines Hansen, hqz214 hqz214, Simon Holm Stark, Gorm Aske Gram Krohn Galster, Flavia de Almeida Dias, Stefania Xella, ATLAS

Experimental Particle Physics

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Abstract

A search for new charged massive gauge bosons, W^′, is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of s=13 TeV and correspond to an integrated luminosity of 36.1 fb⁻¹. This analysis searches for W^′ bosons in the W^′→tb¯ decay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0 TeV and considers right-handed W^′ bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W^′→tb¯ cross section times branching ratio and the W^′ boson effective couplings as a function of the W^′ boson mass. For right-handed W^′ bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15 TeV are excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W^′→tb¯ in the fully hadronic final state. Using the combined searches, right-handed W^′ bosons with masses below 3.25 TeV are excluded at the 95% confidence level.

Original language	English
Journal	Physics Letters B
Volume	788
Pages (from-to)	347-370
Number of pages	24
ISSN	0370-2693
DOIs	https://doi.org/10.1016/j.physletb.2018.11.032
Publication status	Published - 1 Jan 2019

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abhayasinghe, DK., Abidi, S. H., AbouZeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, J., Adamczyk, L., Adelman, J., Adersberger, M., Adiguzel, A., Adye, T., ... ATLAS (2019). Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector. Physics Letters B, 788, 347-370. https://doi.org/10.1016/j.physletb.2018.11.032

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abhayasinghe, DK, Abidi, SH, AbouZeid, OSA, Abraham, NL, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, BS, Adachi, J, Adamczyk, L, Adelman, J, Adersberger, M, Adiguzel, A, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahmadov, F, Aielli, G, Akatsuka, S, Akesson, TPA, Akilli, E, Akimov, AV, Hansen, JB , Hansen, PH, Alonso Diaz, A, Dam, M, Besjes, G-J, Wiglesworth, G, Monk, JW, Bajic, M, Petersen, TC , Hansen, JD, hqz214, H, Stark, SH, Galster, GAGK, de Almeida Dias, F, Xella, S & ATLAS 2019, 'Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector', Physics Letters B, vol. 788, pp. 347-370. https://doi.org/10.1016/j.physletb.2018.11.032

@article{71d2886eeb4841caa299d935a350e865,

title = "Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector",

abstract = "A search for new charged massive gauge bosons, W′, is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of s=13 TeV and correspond to an integrated luminosity of 36.1 fb−1. This analysis searches for W′ bosons in the W′→tb¯ decay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0 TeV and considers right-handed W′ bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W′→tb¯ cross section times branching ratio and the W′ boson effective couplings as a function of the W′ boson mass. For right-handed W′ bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15 TeV are excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W′→tb¯ in the fully hadronic final state. Using the combined searches, right-handed W′ bosons with masses below 3.25 TeV are excluded at the 95% confidence level.",

author = "M. Aaboud and G. Aad and B. Abbott and O. Abdinov and B Abeloos and DK Abhayasinghe and S.H. Abidi and AbouZeid, {Ossama Sherif Alexander} and NL Abraham and H. Abramowicz and H. Abreu and Y. Abulaiti and B.S. Acharya and J Adachi and L. Adamczyk and J. Adelman and M. Adersberger and A. Adiguzel and T. Adye and Affolder, {A. A.} and Y. Afik and C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and F. Ahmadov and G. Aielli and S. Akatsuka and Akesson, {T. P. A.} and E. Akilli and Akimov, {A. V.} and Hansen, {J{\o}rgen Beck} and Hansen, {Peter Henrik} and {Alonso Diaz}, Alejandro and Mogens Dam and Geert-Jan Besjes and Graig Wiglesworth and Monk, {James William} and Milena Bajic and Petersen, {Troels Christian} and Hansen, {J{\o}rn Dines} and hqz214 hqz214 and Stark, {Simon Holm} and Galster, {Gorm Aske Gram Krohn} and {de Almeida Dias}, Flavia and Stefania Xella and ATLAS",

year = "2019",

month = jan,

day = "1",

doi = "10.1016/j.physletb.2018.11.032",

language = "English",

volume = "788",

pages = "347--370",

journal = "Physics Letters B",

issn = "0370-2693",

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TY - JOUR

T1 - Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdinov, O.

AU - Abeloos, B

AU - Abhayasinghe, DK

AU - Abidi, S.H.

AU - AbouZeid, Ossama Sherif Alexander

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, J

AU - Adamczyk, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adiguzel, A.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Akatsuka, S.

AU - Akesson, T. P. A.

AU - Akilli, E.

AU - Akimov, A. V.

AU - Hansen, Jørgen Beck

AU - Hansen, Peter Henrik

AU - Alonso Diaz, Alejandro

AU - Dam, Mogens

AU - Besjes, Geert-Jan

AU - Wiglesworth, Graig

AU - Monk, James William

AU - Bajic, Milena

AU - Petersen, Troels Christian

AU - Hansen, Jørn Dines

AU - hqz214, hqz214

AU - Stark, Simon Holm

AU - Galster, Gorm Aske Gram Krohn

AU - de Almeida Dias, Flavia

AU - Xella, Stefania

AU - ATLAS

PY - 2019/1/1

Y1 - 2019/1/1

N2 - A search for new charged massive gauge bosons, W′, is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of s=13 TeV and correspond to an integrated luminosity of 36.1 fb−1. This analysis searches for W′ bosons in the W′→tb¯ decay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0 TeV and considers right-handed W′ bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W′→tb¯ cross section times branching ratio and the W′ boson effective couplings as a function of the W′ boson mass. For right-handed W′ bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15 TeV are excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W′→tb¯ in the fully hadronic final state. Using the combined searches, right-handed W′ bosons with masses below 3.25 TeV are excluded at the 95% confidence level.

AB - A search for new charged massive gauge bosons, W′, is performed with the ATLAS detector at the LHC. Data were collected in proton–proton collisions at a center-of-mass energy of s=13 TeV and correspond to an integrated luminosity of 36.1 fb−1. This analysis searches for W′ bosons in the W′→tb¯ decay channel in final states with an electron or muon plus jets. The search covers resonance masses between 0.5 and 5.0 TeV and considers right-handed W′ bosons. No significant deviation from the Standard Model (SM) expectation is observed and upper limits are set on the W′→tb¯ cross section times branching ratio and the W′ boson effective couplings as a function of the W′ boson mass. For right-handed W′ bosons with coupling to the SM particles equal to the SM weak coupling constant, masses below 3.15 TeV are excluded at the 95% confidence level. This search is also combined with a previously published ATLAS result for W′→tb¯ in the fully hadronic final state. Using the combined searches, right-handed W′ bosons with masses below 3.25 TeV are excluded at the 95% confidence level.

U2 - 10.1016/j.physletb.2018.11.032

DO - 10.1016/j.physletb.2018.11.032

M3 - Journal article

SN - 0370-2693

VL - 788

SP - 347

EP - 370

JO - Physics Letters B

JF - Physics Letters B

ER -

Search for vector-boson resonances decaying to a top quark and bottom quark in the lepton plus jets final state in pp collisions at root s=13 TeV with the ATLAS detector

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