Negative binomial distribution fits to multiplicity distributions in restricted {delta}{eta} intervals from central {sup 16}O + Cu collisions at 14.6A GeV/c and their implication for ``intermittency``
- Brookhaven National Lab., Upton, NY (United States)
- California Univ., Riverside, CA (United States). Dept. of Physics
Fluctuations in pseudorapidity of charged particles from central (ZCAL) collisions of {sup 16}O + Cu at 14.6 A{center_dot}GeV/c have been analyzed by the E802 Collaboration using the method of normalized factorial moments as a function of the interval {Delta}{eta}. In agreement with previous measurements, an apparent power-law growth of moments with decreasing interval is observed down to {Delta}{eta} {approx} 0.1. Experience with E{sub T} distributions suggests that fluctuations of multiplicity and transverse energy can be well described by Gamma or Negative Binomial Distributions (NBD) and excellent fits to NBD were obtained in all {Delta}{eta} bins. The {kappa} parameter of the NBD fit was found to increase linearly with the {Delta}{eta} interval, which due to the well known property of the NBD under convolution, indicates that the multiplicity distributions in adjacent bins of pseudorapidity {Delta}{eta} {approx} 0.1 are largely statistically independent.
- Research Organization:
- Brookhaven National Lab., Upton, NY (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH00016
- OSTI ID:
- 10190916
- Report Number(s):
- BNL-49466; CONF-930636-5; ON: DE94001389; TRN: 93:025520
- Resource Relation:
- Conference: 10. international conference on ultra-relativistic nucleus-nucleus collisions,Borlaenge (Sweden),20-24 Jun 1993; Other Information: PBD: [1993]
- Country of Publication:
- United States
- Language:
- English
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Negative binomial fits to multiplicity distributions from central collisions of {sup 16}O + Cu at 14.6A GeV/c and intermittency
Negative binomial distribution fits to multiplicity distributions is restricted {delta}{eta} intervals from central O+Cu collisions at 14.6A GeV/c and their implication for {open_quotes}Intermittency{close_quotes}