Universal transition curve in pseudorapidity distribution

Jeon, Sangyong; Pop, V. Topor; Bleicher, Marcus

doi:10.1103/physrevc.69.044904

Cited by 24 publications

(40 citation statements)

References 45 publications

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“…Recently, the phenomenon of limiting fragmentation [54] has received renewed attention [42,53,55,56,57]. The particle density ρ is, in general, a function of both ∆ and the beam rapidity Y .…”

Section: Limiting Fragmentationmentioning

confidence: 99%

A simple evolution equation for rapidity distributions in nucleus–nucleus collisions

Deus¹,

Milhano²

2007

Nuclear Physics A

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Section: Limiting Fragmentationmentioning

confidence: 99%

A simple evolution equation for rapidity distributions in nucleus–nucleus collisions

Deus¹,

Milhano²

2007

Nuclear Physics A

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“…Based on the above experimental findings, recently Jeon and collaborators have shown that the total multiplicity obtained at RHIC can be bounded by a cubic logarithmic term in energy [42]. Therefore, we propose here a new parameterization involving a cubic logarithmic term so that the entire p − p experimental data [44,45,46,47,48,49,50,51,52] starting from low energies (i.e.…”

Section: Total Mean Multiplicity Of Charged Hadronsmentioning

confidence: 99%

“…One should use the parameterization upto squared logarithmic term in accordance with Ref. [42]. Hence, using a parameterization for central rapidity density as:…”

Section: Pseudo-rapidity Distributionsmentioning

confidence: 99%

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Wounded quarks and multiplicity at relativistic ion colliders

et al. 2013

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Abstract. In this paper, we propose a parameterization which is based on a phenomenological model involving the wounded quarks interactions for explaining the average charged particle multiplicity n ch , the central pseudo-rapidity density (dn/dη)η=0 and complete rapidity dependence of dn/dη in relativistic heavy-ion collider experiments. The model also interrelates nucleus-nucleus (A-A) collisions with p-A and p-p interactions. Our parameterization rests on simple assumptions regarding mean number of participating quarks and their average number of collisions. The results for n ch and their variations with the mass number of colliding nuclei, center-of-mass energy ( √ sNN ) and collision centrality are well supported by the available experimental data. Finally we give the predictions from our model for A-A collisions at the Large Hadron Collider (LHC) and Compressed Baryonic Matter (CBM) experiments. Our results indicate the existence of a possible universal production mechanism for p-p, p-A and A-A collisions.PACS. 25.75. .Mh

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“…The importance of the limiting fragmentation curve on energy dependence of particle production has been demonstrated in Ref. [15].…”

Section: Introductionmentioning

confidence: 99%

Multiplicity and pseudorapidity distributions of charged particles and photons at forward pseudorapidity in Au+Au collisons atsNN=62.4GeV

Adams¹,

Aggarwal²,

Ahammed³

et al. 2006

Phys. Rev. C

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We present the centrality-dependent measurement of multiplicity and pseudorapidity distributions of charged particles and photons in Au+Au collisions at √ s NN = 62.4 GeV. The charged particles and photons are measured in the pseudorapidity region 2.9 η 3.9 and 2.3 η 3.7, respectively. We have studied the scaling of particle production with the number of participating nucleons and the number of binary collisions. The photon and charged particle production in the measured pseudorapidity range has been shown to be consistent with energy-independent limiting fragmentation behavior. Photons are observed to follow a centrality-independent limiting fragmentation behavior, while for charged particles it is centrality dependent. We have carried out a comparative study of the pseudorapidity distributions of positively charged hadrons, negatively charged hadrons, photons, pions, and net protons in nucleus-nucleus collisions and pseudorapidity distributions from p+p collisions. From these comparisons, we conclude that baryons in the inclusive charged particle distribution are responsible for the observed centrality dependence of limiting fragmentation. The mesons are found to follow an energy-independent behavior of limiting fragmentation, whereas the behavior of baryons is energy dependent.

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Universal transition curve in pseudorapidity distribution

Cited by 24 publications

References 45 publications

A simple evolution equation for rapidity distributions in nucleus–nucleus collisions

A simple evolution equation for rapidity distributions in nucleus–nucleus collisions

Wounded quarks and multiplicity at relativistic ion colliders

Multiplicity and pseudorapidity distributions of charged particles and photons at forward pseudorapidity in Au+Au collisons atsNN=62.4GeV

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