Hot spots and gluon field fluctuations as causes of eccentricity in small systems

Demirci S, Lappi T, Schlichting S (2021)
Physical Review D 103(9): 094025.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Demirci, S.; Lappi, T.; Schlichting, SörenUniBi
Abstract / Bemerkung
We calculate eccentricities in high energy proton-nucleus collisions, by calculating correlation functions of the energy density field of the glasma immediately after the collision event at proper time tau = 0(+). We separately consider the effects of color charge and geometrical hot spot fluctuations, analytically performing the averages over both in a dilute-dense limit. We show that geometric fluctuations of hot spots inside the proton are the dominant source of eccentricity whereas color charge fluctuations only give a negligible correction. The size and number of hot spots are the most important parameters characterizing the eccentricities.
Erscheinungsjahr
2021
Zeitschriftentitel
Physical Review D
Band
103
Ausgabe
9
Art.-Nr.
094025
ISSN
2470-0010
eISSN
2470-0029
Page URI
https://pub.uni-bielefeld.de/record/2954254

Zitieren

Demirci S, Lappi T, Schlichting S. Hot spots and gluon field fluctuations as causes of eccentricity in small systems. Physical Review D. 2021;103(9): 094025.
Demirci, S., Lappi, T., & Schlichting, S. (2021). Hot spots and gluon field fluctuations as causes of eccentricity in small systems. Physical Review D, 103(9), 094025. https://doi.org/10.1103/PhysRevD.103.094025
Demirci, S., Lappi, T., and Schlichting, S. (2021). Hot spots and gluon field fluctuations as causes of eccentricity in small systems. Physical Review D 103:094025.
Demirci, S., Lappi, T., & Schlichting, S., 2021. Hot spots and gluon field fluctuations as causes of eccentricity in small systems. Physical Review D, 103(9): 094025.
S. Demirci, T. Lappi, and S. Schlichting, “Hot spots and gluon field fluctuations as causes of eccentricity in small systems”, Physical Review D, vol. 103, 2021, : 094025.
Demirci, S., Lappi, T., Schlichting, S.: Hot spots and gluon field fluctuations as causes of eccentricity in small systems. Physical Review D. 103, : 094025 (2021).
Demirci, S., Lappi, T., and Schlichting, Sören. “Hot spots and gluon field fluctuations as causes of eccentricity in small systems”. Physical Review D 103.9 (2021): 094025.

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arXiv: 2101.03791

Inspire: 1840203

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