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    Measurement of jet fragmentation in Pb plus Pb and pp collisions at root S-NN=5.02 TeV with the ATLAS detector

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    PhysRevC.98.024908.pdf
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    Final Published version
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    Author
    Aaboud, M.
    Aad, G.
    Abbott, B.
    Abdinov, O.
    Abeloos, B.
    Abhayasinghe, D. K.
    Abidi, S. H.
    AbouZeid, O. S.
    Abraham, N. L.
    Abramowicz, H.
    Abreu, H.
    Abulaiti, Y.
    Acharya, B. S.
    Adachi, S.
    Adamczyk, L.
    Adelman, J.
    Adersberger, M.
    Adiguzel, A.
    Adye, T.
    Affolder, A. A.
    Afik, Y.
    Agheorghiesei, C.
    Aguilar-Saavedra, J. A.
    Ahmadov, F.
    Aielli, G.
    Akatsuka, S.
    Åkesson, T. P. A.
    Akilli, E.
    Akimov, A. V.
    Alberghi, G. L.
    Albert, J.
    Albicocco, P.
    Alconada Verzini, M. J.
    Alderweireldt, S.
    Aleksa, M.
    Aleksandrov, I. N.
    Alexa, C.
    Alexopoulos, T.
    Alhroob, M.
    Ali, B.
    Alimonti, G.
    Alison, J.
    Alkire, S. P.
    Allaire, C.
    Allbrooke, B. M. M.
    Allen, B. W.
    Allport, P. P.
    Aloisio, A.
    Alonso, A.
    Alonso, F.
    Alpigiani, C.
    Alshehri, A. A.
    Alstaty, M. I.
    Alvarez Gonzalez, B.
    Álvarez Piqueras, D.
    Alviggi, M. G.
    Amadio, B. T.
    Amaral Coutinho, Y.
    Ambroz, L.
    Amelung, C.
    Amidei, D.
    Amor Dos Santos, S. P.
    Amoroso, S.
    Amrouche, C. S.
    Anastopoulos, C.
    Ancu, L. S.
    Andari, N.
    Andeen, T.
    Anders, C. F.
    Anders, J. K.
    Anderson, K. J.
    Andreazza, A.
    Andrei, V.
    Anelli, C. R.
    Angelidakis, S.
    Angelozzi, I.
    Angerami, A.
    Anisenkov, A. V.
    Annovi, A.
    Antel, C.
    Anthony, M. T.
    Antonelli, M.
    Antrim, D. J. A.
    Anulli, F.
    Aoki, M.
    Aperio Bella, L.
    Arabidze, G.
    Araque, J. P.
    Araujo Ferraz, V.
    Araujo Pereira, R.
    Arce, A. T. H.
    Ardell, R. E.
    Arduh, F. A.
    Arguin, J-F.
    Argyropoulos, S.
    Armbruster, A. J.
    Armitage, L. J.
    Armstrong, A
    Arnaez, O.
    Arnold, H.
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    Affiliation
    Univ Arizona, Dept Phys
    Issue Date
    2018-08-16
    
    Metadata
    Show full item record
    Publisher
    AMER PHYSICAL SOC
    Citation
    Aaboud, M & Aad, G & Abbott, B & Abdinov, O & Abeloos, B & Abhayasinghe, DK & Abidi, SH & AbouZeid, OS & Abraham, NL & Abramowicz, H & Abreu, H & Abulaiti, Y & Acharya, BS & Adachi, S & Adamczyk, L & Adelman, J & Adersberger, Michael & Adiguzel, A & Adye, T. (2018). Measurement of jet fragmentation in Pb plus Pb and pp collisions at root S-NN=5.02 TeV with the ATLAS detector. Physical Review C. 98.
    Journal
    PHYSICAL REVIEW C
    Rights
    © 2018 CERN, for the ATLAS Collaboration.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    This paper presents a measurement of jet fragmentation functions in 0.49 nb(-1) of Pb +Pb collisions and 25 pb(-1) of pp collisions at root S-NN = 5.02 TeV collected in 2015 with the ATLAS detector at the LHC. These measurements provide insight into the jet quenching process in the quark-gluon plasma created in the aftermath of ultrarelativistic collisions between two nuclei. The modifications to the jet fragmentation functions are quantified by dividing the measurements in Pb+Pb collisions by baseline measurements in pp collisions. This ratio is studied as a function of the transverse momentum of the jet, the jet rapidity, and the centrality of the collision. In both collision systems, the jet fragmentation functions are measured for jets with transverse momentum between 126 and 398 GeV and with an absolute value of jet rapidity less than 2.1. An enhancement of particles carrying a small fraction of the jet momentum is observed, which increases with centrality and with increasing jet transverse momentum. Yields of particles carrying a very large fraction of the jet momentum are also observed to be enhanced. Between these two enhancements of the fragmentation functions a suppression of particles carrying an intermediate fraction of the jet momentum is observed in Pb+Pb collisions. A small dependence of the modifications on jet rapidity is observed.
    ISSN
    2469-9985
    2469-9993
    DOI
    10.1103/PhysRevC.98.024908
    Version
    Final published version
    Sponsors
    ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW, Austria; FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq, Brazil; FAPESP, Brazil; NSERC, Canada; NRC, Canada; CFI, Canada; CERN; CONICYT, Chile; CAS, China; NSFC, China; COLCIENCIAS, Colombia; MSMT CR, Czech Republic; MPO CR, Czech Republic; VSC CR, Czech Republic; DNRF, Denmark; DNSRC, Denmark; IN2P3-CNRS, CEA-DRF/IRFU, France; SRNSFG, Georgia; BMBF, Germany; HGF, Germany; MPG, Germany; GSRT, Greece; RGC, Hong Kong SAR, China; ISF, Israel; I-CORE, Israel; Benoziyo Center, Israel; INFN, Italy; MEXT, Japan; JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW, Poland; NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia, Russian Federation; NRC KI, Russian Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS, Slovenia; MIZS, Slovenia; DST/NRF, South Africa; MINECO, Spain; SRC, Sweden; Wallenberg Foundation, Sweden; SERI, Switzerland; SNSF, Switzerland; Canton of Bern, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE, United States of America; NSF, United States of America; BCKDF, Canada; Canada Council, Canada; CANARIE, Canada; CRC, Canada; Compute Canada, Canada; FQRNT, Canada; Ontario Innovation Trust, Canada; EPLANET, European Union; ERC, European Union; ERDF, European Union; Marie Sklodowska-Curie Actions, European Union; Investissements d'Avenir Labex and Idex, France; ANR, France; Region Auvergne, France; Fondation Partager le Savoir, France; DFG, Germany; AvH Foundation, Germany; Herakleitos programme; Thales programme; Aristeia programme; EU-ESF; Greek NSRF; BSF, Israel; GIF, Israel; Minerva, Israel; BRF, Norway; CERCA Programme Generalitat de Catalunya, Generalitat Valenciana, Spain; Royal Society, United Kingdom; Leverhulme Trust, United Kingdom; MOST, China; Canton of Geneva, Switzerland; Horizon 2020, European Union
    Additional Links
    https://link.aps.org/doi/10.1103/PhysRevC.98.024908
    ae974a485f413a2113503eed53cd6c53
    10.1103/PhysRevC.98.024908
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