Fluctuations of charge separation perpendicular to the event plane and local parity violation in √ sNN= 200 GeV Au+Au collisions at RHIC (2013)
- Authors:
- USP affiliated authors: MUNHOZ, MARCELO GAMEIRO - IF ; SUAIDE, ALEXANDRE ALARCON DO PASSO - IF ; TOLEDO, ALEJANDRO SZANTO DE - IF
- Unidade: IF
- Assunto: COLISÕES DE ÍONS PESADOS RELATIVÍSTICOS
- Language: Inglês
- Abstract: Previous experimental results based on data (∼ 15 million events) collected by the STAR detector at RHIC suggest event-by-event charge separation fluctuations perpendicular to the event plane in non-central heavy-ion collisions. Here we present the correlator previously used split into its two component parts to reveal correlations parallel and perpendicular to the event plane. The results are from a high statistics 200 GeV Au+Au collisions data set (57 million events) collected by the STAR experiment. We explicitly count units of charge separation from which we find clear evidence for more charge separation fluctuations perpendicular than parallel to the event plane. We also employ a modified correlator to study the possible P-even background in same and opposite charge correlations, and find that the P-even background may largely be explained by momentum conservation and collective motion.
- Imprenta:
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ABNT
ADAMCZYK, L et al. Fluctuations of charge separation perpendicular to the event plane and local parity violation in √ sNN= 200 GeV Au+Au collisions at RHIC. . São Paulo: Instituto de Física, Universidade de São Paulo. Disponível em: http://lanl.arxiv.org/pdf/1302.3802v3.pdf. Acesso em: 26 abr. 2025. , 2013 -
APA
Adamczyk, L., Lima, L. M. de, Munhoz, M. G., Oliveira, R. A. N. de, Souza, U. G. de, Suaide, A. A. do P., & Szanto de Toledo, A. (2013). Fluctuations of charge separation perpendicular to the event plane and local parity violation in √ sNN= 200 GeV Au+Au collisions at RHIC. São Paulo: Instituto de Física, Universidade de São Paulo. Recuperado de http://lanl.arxiv.org/pdf/1302.3802v3.pdf -
NLM
Adamczyk L, Lima LM de, Munhoz MG, Oliveira RAN de, Souza UG de, Suaide AA do P, Szanto de Toledo A. Fluctuations of charge separation perpendicular to the event plane and local parity violation in √ sNN= 200 GeV Au+Au collisions at RHIC [Internet]. 2013 ;[citado 2025 abr. 26 ] Available from: http://lanl.arxiv.org/pdf/1302.3802v3.pdf -
Vancouver
Adamczyk L, Lima LM de, Munhoz MG, Oliveira RAN de, Souza UG de, Suaide AA do P, Szanto de Toledo A. Fluctuations of charge separation perpendicular to the event plane and local parity violation in √ sNN= 200 GeV Au+Au collisions at RHIC [Internet]. 2013 ;[citado 2025 abr. 26 ] Available from: http://lanl.arxiv.org/pdf/1302.3802v3.pdf - Neutral pion production in d-Au collisions at ''S IND.NN' POT. 1/2 '= 200 GeV'
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