Jet fragmentation transverse momentum measurements from di-hadron correlations in √s=7 TeV pp and √sNN = 5.02 TeV p–Pb collisions

Acharya, S., ...; Antičić, Tome; ...; Erhardt, Filip; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Lončar, Petra; ...; Mudnić, Eugen; ...; Planinić, Mirko; ...; Poljak, Nikola; ...; Utrobičić, Antonija; ...; Vicković, Linda; ...; Zurlo, N.

doi:10.1007/jhep03(2019)169

Pregled bibliografske jedinice broj: 1013885

Jet fragmentation transverse momentum measurements from di-hadron correlations in √s=7 TeV pp and √sNN = 5.02 TeV p–Pb collisions

(ALICE Collaboration) Acharya, S., ...; Antičić, Tome; ...; Erhardt, Filip; ...; Gotovac, Sven; ...; Jerčić, Marko; ...; Lončar, Petra et al.

Jet fragmentation transverse momentum measurements from di-hadron correlations in √s=7 TeV pp and √sNN = 5.02 TeV p–Pb collisions // The Journal of high energy physics, 2019 (2019), 3; 169, 21 doi:10.1007/jhep03(2019)169 (međunarodna recenzija, članak, znanstveni)

CROSBI ID: 1013885 Za ispravke kontaktirajte CROSBI podršku putem web obrasca

Naslov
Jet fragmentation transverse momentum measurements from di-hadron correlations in √s=7 TeV pp and √sNN = 5.02 TeV p–Pb collisions
(Jet fragmentation transverse momentum measurements from di-hadron correlations in s√=7 TeV pp and sNN−−−√=5.02 TeV p–Pb collisions)

Autori
Acharya, S., ... ; Antičić, Tome ; ... ; Erhardt, Filip ; ... ; Gotovac, Sven ; ... ; Jerčić, Marko ; ... ; Lončar, Petra ; ... ; Mudnić, Eugen ; ... ; Planinić, Mirko ; ... ; Poljak, Nikola ; ... ; Utrobičić, Antonija ; ... ; Vicković, Linda ; ... ; Zurlo, N.

Kolaboracija
ALICE Collaboration

Izvornik
The Journal of high energy physics (1126-6708) 2019 (2019), 3; 169, 21

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
jet fragmentation ; transverse momentum trigger ; transverse momentum: high ; hadron hadron: correlation ; correlation: two-particle ; nuclear matter: effect ; p p: scattering ; hadronization ; nonperturbative ; non-Gaussianity ; CERN LHC Coll ; universality ; transverse ; splitting ; structure ; HERWIG ; PHENIX ; ALICE

Sažetak
The transverse structure of jets was studied via jet fragmentation transverse momentum (jT) distributions, obtained using two-particle correlations in proton- proton and proton-lead collisions, measured with the ALICE experiment at the LHC. The highest transverse momentum particle in each event is used as the trigger particle and the region pTt <3, 15>GeV/c is explored in this study. The measured distributions show a clear narrow Gaussian component and a wide non-Gaussian one. Based on Pythia simulations, the narrow component can be related to non-perturbative hadronization and the wide component to quantum chromodynamical splitting. The width of the narrow component shows a weak dependence on the transverse momentum of the trigger particle, in agreement with the expectation of universality of the hadronization process. On the other hand, the width of the wide component shows a rising trend suggesting increased branching for higher transverse momentum. The results obtained in pp collisions at √s=7 TeV and in p–Pb collisions at √sNN=5.02 TeV are compatible within uncertainties and hence no significant cold nuclear matter effects are observed. The results are compared to previous measurements from CCOR and PHENIX as well as to Pythia 8 and Herwig 7 simulations.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA

Projekti:
HRZZ-IP-2018-01-4108 - Demistificiranje dvočestičnih korelacija u pp sudarima s nadograđenom komorom vremenske projekcije (TPCwithTPC) (Planinić, Mirko, HRZZ - 2018-01) ( CroRIS)

Ustanove:
Fakultet elektrotehnike, strojarstva i brodogradnje, Split,
Institut "Ruđer Bošković", Zagreb,
Prirodoslovno-matematički fakultet, Zagreb

Profili:

Filip Erhardt (autor)