2021
DOI: 10.48550/arxiv.2108.13867
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The BEST framework for the search for the QCD critical point and the chiral magnetic effect

Xin An,
Marcus Bluhm,
Lipei Du
et al.

Abstract: The Beam Energy Scan Theory (BEST) Collaboration was formed with the goal of providing a theoretical framework for analyzing data from the Beam Energy Scan (BES) program at the relativistic heavy ion collider (RHIC) at Brookhaven National Laboratory. The physics goal of the BES program is the search for a conjectured QCD critical point as well as for manifestations of the chiral magnetic effect. We describe progress that has been made over the previous five years. This includes studies of the equation of state… Show more

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Cited by 9 publications
(11 citation statements)
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References 328 publications
(484 reference statements)
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“…All that said, we see it as of paramount importance to extend the application of this procedure to higher-order non-Gauusian cumulants, as they serve as stronger signals of the critical point [13,11]. While this will be the next immediate step to do, we also hope that the procedure we have developed and presented here can already be implemented within the full paradigm for the numerical simulation of beam energy scan at RHIC [9].…”
Section: Discussion and Outlookmentioning
confidence: 88%
See 2 more Smart Citations
“…All that said, we see it as of paramount importance to extend the application of this procedure to higher-order non-Gauusian cumulants, as they serve as stronger signals of the critical point [13,11]. While this will be the next immediate step to do, we also hope that the procedure we have developed and presented here can already be implemented within the full paradigm for the numerical simulation of beam energy scan at RHIC [9].…”
Section: Discussion and Outlookmentioning
confidence: 88%
“…To convert these hints into definitive conclusions and thereby potentially discover the location of the critical point, one needs theoretical modeling that provides guidance as to what to expect in this case. Much work is being done by a number of groups to develop a description of the hydrodynamics with critical fluctuations near a critical point [8,9]. In addition to such a description, we need a freeze-out procedure to translate not only average hydrodynamic variables but also the critical fluctuations exhibited by the quark gluon plasma into the mean and fluctuations of hadron multiplicities that are subsequently observed.…”
Section: Introductionmentioning
confidence: 99%
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“…Fluctuations of (net-)proton number are one of the primary observables in RHIC-BES used to probe the QCD critical point on the phase diagram. Making quantitative predictions for the critical point signatures in heavy-ion collisions is challenging and currently much work is being done on that avenue within the framework of hydrodynamics with critical fluctuations [51][52][53]. The issue can also be approached from a different angle: the critical point signal, if it exists, should manifest itself in deviations from non-critical baseline expectations that do not incorporate any critical point effects.…”
Section: Proton Number Cumulants From Hydrodynamicsmentioning
confidence: 99%
“…Uncovering the structure of the phase diagram of Quantum Chromodynamics at nonzero temperature and density has been the central goal for both the theoretical and the experimental nuclear physic community (see Ref. [1] for a review). Non-perturbative theoretical understanding of the QCD phase diagram is hampered by the so-called sign problem.…”
Section: Introductionmentioning
confidence: 99%