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SUMMARY:Fractal dimensions of nucleon\, nuclei and pion
DTSTART;VALUE=DATE-TIME:20261029T071500Z
DTEND;VALUE=DATE-TIME:20261029T073000Z
DTSTAMP;VALUE=DATE-TIME:20261025T002023Z
UID:indico-contribution-6150@cern.ch
DESCRIPTION:Speakers: Mikhail Tokarev ()\nA brief review of the z-scaling 
 concept for the analysis of hadron production over a wide range of hadron 
 and nuclear collision energies is given. The concept is based on the funda
 mental principles of self-similarity\, locality\, and the fractality of ha
 dron interactions. The notion of the fractal dimension of hadrons and nucl
 ei\, which is an important ingredient of the z-scaling concept\, is discus
 sed in the context of searching for new physics at small scales. In the z-
 scaling approach\, the hadron spectrum is described by the scaling functio
 n Ψ(z) as a function of the self-similarity variable z. This variable is 
 expressed via the momentum fractions of colliding particles and scattered 
 constituents fragmented to produce inclusive particles\, the structural an
 d fragmentation fractal dimensions\, the multiplicity density of negative 
 particles\, and a model parameter interpreted as the specific heat of the 
 produced medium. Properties of Ψ(z) including its energy\, angular\, mult
 iplicity\, and flavor independence\, are discussed. The shape of the scali
 ng function reveals a power law at low and high z. A microscopic scenario 
 of hadron production in terms of fractalons was given. The z-scaling schem
 e is used to study the dependence of momentum fractions and recoil mass on
  the collision energy\, transverse momentum\, and mass of the produced inc
 lusive particle.\n\nhttps://indico.particle.mephi.ru/event/626/contributio
 ns/6150/
LOCATION:Sevastopol Hotel
URL:https://indico.particle.mephi.ru/event/626/contributions/6150/
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