prikaz prve stranice dokumenta Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV
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Scientific paper - Original scientific paper
Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV
Physical Review D, 95 (2017), 7; 072002. https://doi.org/10.1103/physrevd.95.072002
(PHENIX Collaboration) Adare, A.; ...; Makek, Mihael; ...; Vukman, Nikola; ...; Zou, L.

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Adare, A., Makek, M., Vukman, N. & Zou, L. (2017). Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV. Physical Review D, 95. (7). doi: 10.1103/physrevd.95.072002

Adare, A., et al. "Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV." Physical Review D, vol. 95, no. 7, 2017. https://doi.org/10.1103/physrevd.95.072002

Adare, A., Mihael Makek, Nikola Vukman and L. Zou. "Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV." Physical Review D 95, no. 7 (2017). https://doi.org/10.1103/physrevd.95.072002

Adare, A., et al. (2017) 'Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV', Physical Review D, 95(7). doi: 10.1103/physrevd.95.072002

Adare A, Makek M, Vukman N, Zou L. Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV. Physical Review D [Internet]. 2017 [cited 2025 January 11];95(7). doi: 10.1103/physrevd.95.072002

A. Adare, M. Makek, N. Vukman and L. Zou, "Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV", Physical Review D, vol. 95, no. 7, 2017. [Online]. Available at: https://urn.nsk.hr/urn:nbn:hr:217:697198. [Accessed: 11 January 2025]

Metadata
Title (english)Nonperturbative-transverse-momentum effects and evolution in dihadron and direct photon-hadron angular correlations in p+p collisions at √s=510 GeV
AuthorA. Adare
Author
...
AuthorMihael Makek
MBZ: 256122
Author
...
AuthorNikola Vukman
MBZ: 362186
Author
...
AuthorL. Zou
CollaborationPHENIX Collaboration
Author's institutionUniversity of Zagreb
Faculty of Science
(Department of Physics)
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Physics
Abstract (english)
Dihadron and isolated direct photon-hadron angular correlations are measured in p+p collisions at √s=510 GeV. Correlations of charged hadrons of 0.7 < pT < 10 GeV=c with π0 mesons of 4 < pT < 15 GeV=c or isolated direct photons of 7 < pT < 15 GeV=c are used to study nonperturbative effects generated by initial-state partonic transverse momentum and final-state transverse momentum from fragmentation. The nonperturbative behavior is characterized by measuring the out-of-plane transverse momentum component pout perpendicular to the axis of the trigger particle, which is the high-pT direct photon or π0. Nonperturbative evolution effects are extracted from Gaussian fits to the away-side inclusivecharged-hadron yields for different trigger-particle transverse momenta (ptrig T ). The Gaussian widths and root mean square of pout are reported as a function of the interaction hard scale ptrig T to investigate possible transverse- momentum-dependent evolution differences between the π0-h and direct photon-h correlations and factorization breaking effects. The widths are found to decrease with ptrig T , which indicates that the Collins-Soper-Sterman soft factor is not driving the evolution with the hard scale in nearly back-to-back dihadron and direct photon- hadron production in p + p collisions. This behavior is in contrast to Drell- Yan and semi-inclusive deep- inelastic scattering measurements.
Keywords (english)
Languageenglish
Publication typeScientific paper - Original scientific paper
Publication statusPublished
Peer reviewPeer review - international
Publication versionPublished version
Journal titlePhysical Review D
Numberingvol. 95, no. 7, 072002
p-ISSN2470-0010
e-ISSN2470-0029
DOIhttps://doi.org/10.1103/physrevd.95.072002
URN:NBNurn:nbn:hr:217:697198
Publication2017
Document URLhttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.95.072002
Type of resourceText
Access conditionsOpen access
Terms of useLicence In copyright icon
Public note© 2017 American Physical Society. Received 17 September 2016. Published 4 April 2017.
Created on2020-02-28 20:12:17