Journal Article

GSI-2025-00299

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Mixed-species charge and baryon balance functions studies with PYTHIA

Pruneau, C. (Corresponding author) ; Basu, S. (Corresponding author) ; Gonzalez, V. (Corresponding author) ; Hanley, B. (Corresponding author) ; Marin, A. (Corresponding author)GSI* ; Dobrin, A. F. (Corresponding author) ; Manea, A. (Corresponding author)

2024
Inst. Woodbury, NY

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Please use a persistent id in citations: doi:10.1103/PhysRevC.109.064913  doi:10.15120/GSI-2025-00299

Report No.: arXiv:2403.13007

Abstract: Mixed species charge and baryon balance functions are computed based on proton-proton (pp) collisions simulated with the PYTHIA8 model. Simulations are performed with selected values of the collision energy s and the Monash tune and the ropes and shoving modes of PYTHIA8 to explore whether such measurements provide useful new information and constraints on mechanisms of particle production in pp collisions. Charge balance functions are studied based on mixed pairs of pions, kaons, and protons, whereas baryon balance functions are computed for mixed low mass strange and nonstrange baryons. Both charge and baryon balance functions of mixed particle pairs feature shapes and amplitudes that sensitively depend on the particle considered owing largely to the particle production mechanisms implemented in PYTHIA. The evolution of balance functions integrals with the longitudinal width of the acceptance are presented and one finds that sums of such integrals for a given reference particle obey expected sum rules for both charge and baryon balance functions. Additionally, both types of balance functions are found to evolve in shape and amplitude with increasing collision energy s and the PYTHIA tunes considered.

Keyword(s): p p: scattering ; baryon: production ; PYTHIA ; acceptance ; longitudinal ; sum rule ; pi: pair production ; K: pair production ; p: production

Note: Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0. Funded by SCOAP3.

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Contributing Institute(s):

1. ALICE (ALI)
2. ExtreMe Matter Institute, EMMI (EXM)
3. IT (CIT)

Research Program(s):

1. 612 - Cosmic Matter in the Laboratory (POF4-612) (POF4-612)

Experiment(s):

1. no experiment theory work (theory)

Appears in the scientific report 2024

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Database coverage:
; ; ; Clarivate Analytics Master Journal List ; Current Contents - Electronics and Telecommunications Collection ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF < 5 ; JCR ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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