Multiharmonic Correlations of Different Flow Amplitudes in Pb-Pb Collisions at √sNN=2.76 TeV
Shreyasi Acharya,Dagmar Adamová, Alexander Adler,Jonatan Adolfsson,G. Aglieri Rinella,Michelangelo Agnello,Neelima Agrawal,Zubayer Ahammed,Shafiq Ahmad,Sang Un Ahn,Z. Akbar,Alexander Akindinov,Mohammed Al-Turany,D. S. D. Albuquerque,Dmitry Aleksandrov,Bruno Alessandro, Haidar Mas'Ud Alfanda,R. Alfaro Molina,Bushra Ali,Yasir Ali,Andrea Alici,Negin Alizadehvandchali,A. Alkin,Johan Alme,Torsten Alt,Lucas Altenkamper,Igor Altsybeev, Mustafa Anaam,Cristian Andrei,Dimitra Andreou,Anton Andronic,Venelin Anguelov,T. Antičić,Federico Antinori,Pietro Antonioli, C. Anuj,Nicole Apadula,L. Aphecetche,H. Appelshäuser,Silvia Arcelli,Roberta Arnaldi,Miguel Arratia,Ionut Cristian Arsene,Mesut Arslandok,Andre Augustinus,Ralf Peter Averbeck,Sizar Aziz,Mohd Danish Azmi,Angela Badala,Yongwook Baek,Xiaozhi Bai,Raphaelle Marie Bailhache,Renu Bala, Alessandro Balbino, A. Baldisseri,Markus Ball,Debjani Banerjee,Roberto Barbera,Luca Barioglio,Maria Barlou,Gergely Gabor Barnafoldi,Lee Stuart Barnby,Valerie Ramillien Barret, Clara Bartels, K. Barth,Esther Bartsch,Filippo Baruffaldi,Nicole Bastid,Sumit Basu,G. Batigne,Boris Batyunya,Dibakar Bauri,J. L. Bazo Alba,Ian Gardner Bearden, Caitlin Beattie,Iouri Belikov,A. D. C. Bell Hechavarria,Francesca Bellini,Rene Bellwied,Svetlana Belokurova,Vladimir Belyaev,G. Bencedi, S. Beole,Alexandru Bercuci,Y. Berdnikov,Anastasia Berdnikova,D. Berenyi, Luisa Bergmann, Mihaela Gabriela Besoiu,Latchezar Betev,Partha Pratim Bhaduri,Anju Bhasin,Inayat Rasool Bhat, Mohammad Asif Bhat,Buddhadeb Bhattacharjee,Purba Bhattacharya,Antonio Bianchi,Luciana Bianchi Physical Review Letters（2021）
摘要
The event-by-event correlations between three flow amplitudes are measured for the first time in Pb-Pb collisions, using higher-order symmetric cumulants. We find that different three-harmonic correlations develop during the collective evolution of the medium when compared to correlations that exist in the initial state. These new results cannot be interpreted in terms of previous lower-order flow measurements since contributions from two-harmonic correlations are explicitly removed in the new observables. A comparison to Monte Carlo simulations provides new and independent constraints for the initial conditions and system properties of nuclear matter created in heavy-ion collisions. © 2021 CERN, for the ALICE Collaboration.
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