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Measurement of angular and momentum distributions of charged particles within and around jets in Pb plus Pb and pp collisions at root s(NN)=5.02 TeV with ATLAS at the LHC
Univ Illinois, Champaign, IL 61820 USA..ORCID iD: 0000-0001-7843-1482
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics. Royal Inst Technol, Phys Dept, Stockholm, Sweden..ORCID iD: 0000-0003-3867-0336
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics. Royal Inst Technol, Phys Dept, Stockholm, Sweden..ORCID iD: 0000-0002-8015-7512
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics. Royal Inst Technol, Phys Dept, Stockholm, Sweden..ORCID iD: 0000-0002-5935-7464
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Number of Authors: 29332019 (English)In: Nuclear Physics A, ISSN 0375-9474, E-ISSN 1873-1554, Vol. 982, p. 177-179Article in journal (Refereed) Published
Abstract [en]

Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. These proceedings present a measurement of the angular distribution of charged particles around the jet axis in root s(NN) = 5.02 TeV Pb+Pb and pp collisions, done using the ATLAS detector at the LHC. The measurement is performed inside jets reconstructed with the anti-k(t) algorithm with radius parameter R = 0.4, and is extended to regions outside the jet cone. Results are presented as a function of Pb+Pb collision centrality, and both jet and charged-particle transverse momenta.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2019. Vol. 982, p. 177-179
Keywords [en]
jets, fragmentation functions, jet shapes
National Category
Subatomic Physics
Identifiers
URN: urn:nbn:se:kth:diva-245156DOI: 10.1016/j.nuclphysa.2018.09.021ISI: 000457515500027Scopus ID: 2-s2.0-85060129790OAI: oai:DiVA.org:kth-245156DiVA, id: diva2:1294886
Note

QC 20190308

Available from: 2019-03-08 Created: 2019-03-08 Last updated: 2019-08-06Bibliographically approved

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Jensen, BengtOhm, ChristianRipellino, GiuliaSidebo, P. EdvinStrandberg, Jonas

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