Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions with the ATLAS experiment

M. Aaboud; G. Aad; B. Abbott; O. Abdinov; B Abeloos; S.H. Abidi; Ossama Sherif Alexander Abouzeid; NL Abraham; H. Abramowicz; H. Abreu; R. Abreu; Y. Abulaiti; B.S. Acharya; Shin-ichi Adachi; L. Adamczyk; J. Adelman; M. Adersberger; T. Adye; A. A. Affolder; Y.  Afik; T. Agatonovic-Jovin; J. A. Aguilar-Saavedra; Peter Henrik Hansen; Mogens Dam; James William Monk; Fabian Alexander Jürgen Thiele; Troels Christian Petersen; Jørn Dines Hansen; Geert-Jan Besjes; Simon Holm Stark; Gorm Aske Gram Krohn Galster; Alejandro Alonso Diaz; Milena Bajic; Flavia de Almeida Dias; Graig Wiglesworth; Jørgen Beck Hansen; Stefania Xella

doi:10.1103/PhysRevD.97.032003

Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions with the ATLAS experiment

M. Aaboud, G. Aad, B. Abbott, O. Abdinov, B Abeloos, S.H. Abidi, Ossama Sherif Alexander Abouzeid, NL Abraham, H. Abramowicz, H. Abreu, R. Abreu, Y. Abulaiti, B.S. Acharya, Shin-ichi Adachi, L. Adamczyk, J. Adelman, M. Adersberger, T. Adye, A. A. Affolder, Y. AfikT. Agatonovic-Jovin, J. A. Aguilar-Saavedra, Peter Henrik Hansen, Mogens Dam, James William Monk, Fabian Alexander Jürgen Thiele, Troels Christian Petersen, Jørn Dines Hansen, Geert-Jan Besjes, Simon Holm Stark, Gorm Aske Gram Krohn Galster, Alejandro Alonso Diaz, Milena Bajic, Flavia de Almeida Dias, Graig Wiglesworth, Jørgen Beck Hansen, Stefania Xella

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Abstract

A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1 fb^-1 of proton-proton collisions at a center-of-mass energy of √s= 13 TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.

Originalsprog	Engelsk
Artikelnummer	032003
Tidsskrift	Physical Review D
Vol/bind	97
Udgave nummer	3
Antal sider	28
ISSN	2470-0010
DOI	https://doi.org/10.1103/PhysRevD.97.032003
Status	Udgivet - 1 feb. 2018

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10.1103/PhysRevD.97.032003Licens: CC BY

PhysRevD.97.032003Forlagets udgivne version, 1 MBLicens: CC BY

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Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., Abouzeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abreu, R., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., ... Xella, S. (2018). Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions with the ATLAS experiment. Physical Review D, 97(3), [032003]. https://doi.org/10.1103/PhysRevD.97.032003

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OSA, Abraham, NL, Abramowicz, H, Abreu, H, Abreu, R, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adye, T, Affolder, AA, Afik, Y, Agatonovic-Jovin, T, Aguilar-Saavedra, JA, Hansen, PH , Dam, M, Monk, JW, Thiele, FAJ, Petersen, TC , Hansen, JD, Besjes, G-J, Stark, SH, Galster, GAGK, Alonso Diaz, A, Bajic, M, de Almeida Dias, F, Wiglesworth, G , Hansen, JB & Xella, S 2018, 'Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions with the ATLAS experiment', Physical Review D, bind 97, nr. 3, 032003. https://doi.org/10.1103/PhysRevD.97.032003

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title = "Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions with the ATLAS experiment",

abstract = "A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1 fb-1 of proton-proton collisions at a center-of-mass energy of √s= 13 TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.",

author = "M. Aaboud and G. Aad and B. Abbott and O. Abdinov and B Abeloos and S.H. Abidi and Abouzeid, {Ossama Sherif Alexander} and NL Abraham and H. Abramowicz and H. Abreu and R. Abreu and Y. Abulaiti and B.S. Acharya and Shin-ichi Adachi and L. Adamczyk and J. Adelman and M. Adersberger and T. Adye and Affolder, {A. A.} and Y. Afik and T. Agatonovic-Jovin and Aguilar-Saavedra, {J. A.} and Hansen, {Peter Henrik} and Mogens Dam and Monk, {James William} and Thiele, {Fabian Alexander J{\"u}rgen} and Petersen, {Troels Christian} and Hansen, {J{\o}rn Dines} and Geert-Jan Besjes and Stark, {Simon Holm} and Galster, {Gorm Aske Gram Krohn} and {Alonso Diaz}, Alejandro and Milena Bajic and {de Almeida Dias}, Flavia and Graig Wiglesworth and Hansen, {J{\o}rgen Beck} and Stefania Xella",

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doi = "10.1103/PhysRevD.97.032003",

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AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdinov, O.

AU - Abeloos, B

AU - Abidi, S.H.

AU - Abouzeid, Ossama Sherif Alexander

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abreu, R.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, Shin-ichi

AU - Adamczyk, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agatonovic-Jovin, T.

AU - Aguilar-Saavedra, J. A.

AU - Hansen, Peter Henrik

AU - Dam, Mogens

AU - Monk, James William

AU - Thiele, Fabian Alexander Jürgen

AU - Petersen, Troels Christian

AU - Hansen, Jørn Dines

AU - Besjes, Geert-Jan

AU - Stark, Simon Holm

AU - Galster, Gorm Aske Gram Krohn

AU - Alonso Diaz, Alejandro

AU - Bajic, Milena

AU - de Almeida Dias, Flavia

AU - Wiglesworth, Graig

AU - Hansen, Jørgen Beck

AU - Xella, Stefania

PY - 2018/2/1

Y1 - 2018/2/1

N2 - A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1 fb-1 of proton-proton collisions at a center-of-mass energy of √s= 13 TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.

AB - A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a b-jet. The data set corresponds to an integrated luminosity of 36.1 fb-1 of proton-proton collisions at a center-of-mass energy of √s= 13 TeV, collected in 2015 and 2016 by the ATLAS detector at the LHC. No significant excess is observed over the Standard Model background, and exclusion limits are set on stop pair production at a 95% confidence level. Lower limits on the stop mass are set between 600 GeV and 1.5 TeV for branching ratios above 10% for decays to an electron or muon and a b-quark.

U2 - 10.1103/PhysRevD.97.032003

DO - 10.1103/PhysRevD.97.032003

M3 - Journal article

SN - 2470-0010

VL - 97

JO - Physical Review D

JF - Physical Review D

IS - 3

M1 - 032003

ER -

Search for B - L R-parity-violating top squarks in root s=13 TeV pp collisions with the ATLAS experiment

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