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SUMMARY:Possible Implication of a Single Nonextensive pT Distribution for 
 Hadron     Production in High-Energy pp Collisions
DTSTART;VALUE=DATE-TIME:20150126T121500Z
DTEND;VALUE=DATE-TIME:20150126T131500Z
DTSTAMP;VALUE=DATE-TIME:20260712T172301Z
UID:indico-event-25@cern.ch
DESCRIPTION:Multiparticle production processes in pp collisions at the cen
 tral rapidity region are usually considered to be divided into independent
  "soft" and"hard" components. The first is described by exponential (therm
 al-like) transverse momentum spectra in the low-pT region with a scale par
 ameter T associated with the temperature of the hadronizing system. The se
 cond is governed by a power-like distributions of transverse momenta with 
 power index n at high-pT associated with the hard scattering between parto
 ns. We show that the hard-scattering integral can be approximated as a non
 extensive distribution of a quasi-power-law containing a scale parameter T
  and a power index n = 1/(q-1)\, where q is the nonextensivity parameter. 
 We demonstrate that the whole region of transverse momenta presently measu
 rable at LHC experiments at central rapidity (in which the observed cross 
 sections varies by 14 orders of magnitude down to the low pT region) can b
 e adequately described by a single nonextensive distribution. These result
 s suggest the dominance of the hard-scattering hadron-production process a
 nd the approximate validity of a ‚no-hair' statistical-mechanical descri
 ption of the pT spectra for the whole pT region at central rapidity for pp
  collisions at high-energies.\n\nhttp://indico.fuw.edu.pl/conferenceDispla
 y.py?confId=25
LOCATION:Faculty of Physics UW 1.01
URL:http://indico.fuw.edu.pl/conferenceDisplay.py?confId=25
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