Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector

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

doi:10.1103/PhysRevD.98.012003

Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector

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

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Abstract

Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb-1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large-radius jets in the final state, one with transverse momentum pT>500 GeV and a second with pT>350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated χ2 values. The cross-section for tt. production in the fiducial phase-space region is 292±7(stat)±71(syst) fb, to be compared to the theoretical prediction of 384±36 fb.

Originalsprog	Engelsk
Artikelnummer	012003
Tidsskrift	Physical Review D
Vol/bind	98
Udgave nummer	1
Antal sider	39
ISSN	2470-0010
DOI	https://doi.org/10.1103/PhysRevD.98.012003
Status	Udgivet - 1 jan. 2018

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10.1103/PhysRevD.98.012003Licens: CC BY

PhysRevD.98.012003Forlagets udgivne version, 1,76 MBLicens: CC BY

Citationsformater

Aaboud, M., Aad, G., Abbott, B., Abdinov, O., Abeloos, B., Abidi, S. H., Abouzeid, O. S. A., Abraham, NL., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B. S., Adachi, S., Adamczyk, L., Adelman, J., Adersberger, M., Adye, T., Affolder, A. A., Afik, Y., ... Xella, S. (2018). Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector. Physical Review D, 98(1), [012003]. https://doi.org/10.1103/PhysRevD.98.012003

Aaboud, M, Aad, G, Abbott, B, Abdinov, O, Abeloos, B, Abidi, SH, Abouzeid, OSA, Abraham, NL, Abramowicz, H, Abreu, H, Abulaiti, Y, Acharya, BS, Adachi, S, Adamczyk, L, Adelman, J, Adersberger, M, Adye, T, Affolder, AA, Afik, Y, Agheorghiesei, C, Aguilar-Saavedra, JA, Besjes, G-J, Bajic, M, Alonso Diaz, A, Dam, M, de Almeida Dias, F, Hansen, JD , Hansen, PH , Hansen, JB, Galster, GAGK, Monk, JW, Stark, SH, Petersen, TC, Thiele, FAJ, Wiglesworth, G & Xella, S 2018, 'Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector', Physical Review D, bind 98, nr. 1, 012003. https://doi.org/10.1103/PhysRevD.98.012003

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title = "Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector",

abstract = "Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb-1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large-radius jets in the final state, one with transverse momentum pT>500 GeV and a second with pT>350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated χ2 values. The cross-section for tt. production in the fiducial phase-space region is 292±7(stat)±71(syst) fb, to be compared to the theoretical prediction of 384±36 fb.",

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 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 C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and Geert-Jan Besjes and Milena Bajic and {Alonso Diaz}, Alejandro and Mogens Dam and {de Almeida Dias}, Flavia and Hansen, {J{\o}rn Dines} and Hansen, {Peter Henrik} and Hansen, {J{\o}rgen Beck} and Galster, {Gorm Aske Gram Krohn} and Monk, {James William} and Stark, {Simon Holm} and Petersen, {Troels Christian} and Thiele, {Fabian Alexander J{\"u}rgen} and Graig Wiglesworth and Stefania Xella",

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doi = "10.1103/PhysRevD.98.012003",

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T1 - Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector

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 - 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 - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Besjes, Geert-Jan

AU - Bajic, Milena

AU - Alonso Diaz, Alejandro

AU - Dam, Mogens

AU - de Almeida Dias, Flavia

AU - Hansen, Jørn Dines

AU - Hansen, Peter Henrik

AU - Hansen, Jørgen Beck

AU - Galster, Gorm Aske Gram Krohn

AU - Monk, James William

AU - Stark, Simon Holm

AU - Petersen, Troels Christian

AU - Thiele, Fabian Alexander Jürgen

AU - Wiglesworth, Graig

AU - Xella, Stefania

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb-1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large-radius jets in the final state, one with transverse momentum pT>500 GeV and a second with pT>350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated χ2 values. The cross-section for tt. production in the fiducial phase-space region is 292±7(stat)±71(syst) fb, to be compared to the theoretical prediction of 384±36 fb.

AB - Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt. system kinematic observables using proton-proton collisions at a center-of-mass energy of s=13 TeV. The data set corresponds to an integrated luminosity of 36.1 fb-1, recorded in 2015 and 2016 with the ATLAS detector at the CERN Large Hadron Collider. Events with two large-radius jets in the final state, one with transverse momentum pT>500 GeV and a second with pT>350 GeV, are used for the measurement. The top-quark candidates are separated from the multijet background using jet substructure information and association with a b-tagged jet. The measured spectra are corrected for detector effects to a particle-level fiducial phase space and a parton-level limited phase space, and are compared to several Monte Carlo simulations by means of calculated χ2 values. The cross-section for tt. production in the fiducial phase-space region is 292±7(stat)±71(syst) fb, to be compared to the theoretical prediction of 384±36 fb.

U2 - 10.1103/PhysRevD.98.012003

DO - 10.1103/PhysRevD.98.012003

M3 - Journal article

SN - 2470-0010

VL - 98

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 012003

ER -

Measurements of t(t)over-bar differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at root s=13 Te V using the ATLAS detector

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