Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector

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

doi:10.1016/j.nuclphysa.2018.07.006

Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector

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

Experimental Particle Physics

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Abstract

A measurement of the fragmentation functions of jets into charged particles in p+Pb collisions and pp collisions is presented. The analysis utilizes 28 nb⁻¹ of p+Pb data and 26 pb⁻¹ of pp data, both at s_NN= 5.02 TeV, collected in 2013 and 2015, respectively, with the ATLAS detector at the LHC. The measurement is reported in the centre-of-mass frame of the nucleon–nucleon system for jets in the rapidity range |y^⁎|<1.6 and with transverse momentum 45 <p_T< 260 GeV. Results are presented both as a function of the charged-particle transverse momentum and as a function of the longitudinal momentum fraction of the particle with respect to the jet. The pp fragmentation functions are compared with results from Monte Carlo event generators and two theoretical models. The ratios of the p+Pb to pp fragmentation functions are found to be consistent with unity.

Original language	English
Journal	Nuclear Physics A
Volume	978
Pages (from-to)	65-106
Number of pages	42
ISSN	0375-9474
DOIs	https://doi.org/10.1016/j.nuclphysa.2018.07.006
Publication status	Published - 1 Oct 2018

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10.1016/j.nuclphysa.2018.07.006

1-s2.0-S0375947418301234-mainFinal published version, 1.42 MBLicence: CC BY

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Aaboud, M., Aad, G., Abbott, B., Abbott, B., Abdallah, J., 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., ... Xella, S. (2018). Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector. Nuclear Physics A, 978, 65-106. https://doi.org/10.1016/j.nuclphysa.2018.07.006

Aaboud, M, Aad, G, Abbott, B, Abbott, B, Abdallah, J, 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, Agatonovic-Jovin, T, Agheorghiesei, C, Aguilar-Saavedra, JA, Ahlen, SP, Ahmadov, F, Aielli, G, Alonso Diaz, A, de Almeida Dias, F, Bajic, M, Besjes, G-J, Dam, M, Galster, GAGK, Hansen, JD , Hansen, PH , Hansen, JB, Monk, JW, Stark, SH, Petersen, TC, Thiele, FAJ, Wiglesworth, G & Xella, S 2018, 'Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector', Nuclear Physics A, vol. 978, pp. 65-106. https://doi.org/10.1016/j.nuclphysa.2018.07.006

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title = "Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector",

abstract = "A measurement of the fragmentation functions of jets into charged particles in p+Pb collisions and pp collisions is presented. The analysis utilizes 28 nb−1 of p+Pb data and 26 pb−1 of pp data, both at sNN= 5.02 TeV, collected in 2013 and 2015, respectively, with the ATLAS detector at the LHC. The measurement is reported in the centre-of-mass frame of the nucleon–nucleon system for jets in the rapidity range |y⁎|<1.6 and with transverse momentum 45 T< 260 GeV. Results are presented both as a function of the charged-particle transverse momentum and as a function of the longitudinal momentum fraction of the particle with respect to the jet. The pp fragmentation functions are compared with results from Monte Carlo event generators and two theoretical models. The ratios of the p+Pb to pp fragmentation functions are found to be consistent with unity.",

author = "M. Aaboud and G. Aad and B. Abbott and B. Abbott and J. Abdallah 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 Sosuke Adachi and L. Adamczyk and J. Adelman and M. Adersberger and T. Adye and Affolder, {A. A.} and T. Agatonovic-Jovin and C. Agheorghiesei and Aguilar-Saavedra, {J. A.} and Ahlen, {S. P.} and F. Ahmadov and G. Aielli and {Alonso Diaz}, Alejandro and {de Almeida Dias}, Flavia and Milena Bajic and Geert-Jan Besjes and Mogens Dam and Galster, {Gorm Aske Gram Krohn} and Hansen, {J{\o}rn Dines} and Hansen, {Peter Henrik} and Hansen, {J{\o}rgen Beck} 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 = "10.1016/j.nuclphysa.2018.07.006",

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T1 - Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abdallah, J.

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, Sosuke

AU - Adamczyk, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adye, T.

AU - Affolder, A. A.

AU - Agatonovic-Jovin, T.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Ahlen, S. P.

AU - Ahmadov, F.

AU - Aielli, G.

AU - Alonso Diaz, Alejandro

AU - de Almeida Dias, Flavia

AU - Bajic, Milena

AU - Besjes, Geert-Jan

AU - Dam, Mogens

AU - Galster, Gorm Aske Gram Krohn

AU - Hansen, Jørn Dines

AU - Hansen, Peter Henrik

AU - Hansen, Jørgen Beck

AU - Monk, James William

AU - Stark, Simon Holm

AU - Petersen, Troels Christian

AU - Thiele, Fabian Alexander Jürgen

AU - Wiglesworth, Graig

AU - Xella, Stefania

PY - 2018/10/1

Y1 - 2018/10/1

N2 - A measurement of the fragmentation functions of jets into charged particles in p+Pb collisions and pp collisions is presented. The analysis utilizes 28 nb−1 of p+Pb data and 26 pb−1 of pp data, both at sNN= 5.02 TeV, collected in 2013 and 2015, respectively, with the ATLAS detector at the LHC. The measurement is reported in the centre-of-mass frame of the nucleon–nucleon system for jets in the rapidity range |y⁎|<1.6 and with transverse momentum 45 T< 260 GeV. Results are presented both as a function of the charged-particle transverse momentum and as a function of the longitudinal momentum fraction of the particle with respect to the jet. The pp fragmentation functions are compared with results from Monte Carlo event generators and two theoretical models. The ratios of the p+Pb to pp fragmentation functions are found to be consistent with unity.

AB - A measurement of the fragmentation functions of jets into charged particles in p+Pb collisions and pp collisions is presented. The analysis utilizes 28 nb−1 of p+Pb data and 26 pb−1 of pp data, both at sNN= 5.02 TeV, collected in 2013 and 2015, respectively, with the ATLAS detector at the LHC. The measurement is reported in the centre-of-mass frame of the nucleon–nucleon system for jets in the rapidity range |y⁎|<1.6 and with transverse momentum 45 T< 260 GeV. Results are presented both as a function of the charged-particle transverse momentum and as a function of the longitudinal momentum fraction of the particle with respect to the jet. The pp fragmentation functions are compared with results from Monte Carlo event generators and two theoretical models. The ratios of the p+Pb to pp fragmentation functions are found to be consistent with unity.

U2 - 10.1016/j.nuclphysa.2018.07.006

DO - 10.1016/j.nuclphysa.2018.07.006

M3 - Journal article

SN - 0375-9474

VL - 978

SP - 65

EP - 106

JO - Nuclear Physics A: Nuclear and Hadronic Physics

JF - Nuclear Physics A: Nuclear and Hadronic Physics

ER -

Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector

Abstract

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