Event-by-event fluctuations in collective quantities
نویسندگان
چکیده
منابع مشابه
Event by event Net Charge Fluctuations
We present analyses of event-by-event dynamical net charge fluctuations measured in130 and 200 GeV Au Au collisions with the STAR detector. The dynamical net charge fluctuations are evaluated using the ν+−,dyn observable. Dynamical fluctuations measured in Au Au collisions at 130 and 200 GeV are finite, and exceed charge conservation limits. They deviate from a perfect 1/N scaling and provide a...
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Event-by-event observables are compared with conventional inclusive measurements. We find that moments of event-by-event fluctuations are closely related to inclusive correlation functions. Implications for upcomming heavy ion experiments are discussed. 1. It is now widely recognized that studies of event-by-event fluctuations observed in high energy multi-particle reactions may become an impor...
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With the advent of large acceptance detectors it became possible to observe not one but tens or even hundreds of particles produced in a single collision of relativistic nuclei. Such a multi-particle state constitutes an event corresponding to a single high-energy collision. Event-by-event analysis is potentially a powerful technique to study relativistic heavy-ion collisions, as magnitude of f...
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We propose Kolmogorov-Smirnov test as a means for recognising event-by-event fluctuations of rapidity distributions in relativistic heavy ion collisions. Such fluctuations may be induced by the spinodal decomposition of the rapidly expanding system during the 1st order quark-hadron phase transition.
متن کاملOn Event–by–Event Fluctuations in Nuclear Collisions
We demonstrate that a new type of analysis in heavy–ion collisions, based on an event– by–event analysis of the transverse momentum distribution, allows us to obtain information on secondary interactions and collective behaviour that is not available from the inclusive spectra. Using a random walk model as a simple phenomenological description of initial state scattering in collisions with heav...
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ژورنال
عنوان ژورنال: Physical Review C
سال: 1999
ISSN: 0556-2813,1089-490X
DOI: 10.1103/physrevc.60.024901