Simple Empirical Representation of the Charged Multiplicity Distributions in Proton-Proton Collisions

1973 ◽  
Vol 8 (1) ◽  
pp. 331-334 ◽  
Author(s):  
Howard Weisberg
Keyword(s):  
Charged Multiplicity ◽  
Proton Proton ◽  
Proton Collisions ◽  
Multiplicity Distributions ◽  
Proton Proton Collisions

scholarly journals Asymptotic Analysis of the parton branching equation at LHC Energies

2018 ◽  
Vol 172 ◽  
pp. 01006
Author(s):  
W. Y. Wang ◽  
H. P. Lau ◽  
Q. Leong ◽  
A. H. Chan ◽  
C. H. Oh
Keyword(s):  
Charged Particle ◽  
Laplace Transformation ◽  
Particle Multiplicity ◽  
Charged Particle Multiplicity ◽  
Saddle Point Approximation ◽  
Proton Proton ◽  
Proton Collisions ◽  
Multiplicity Distributions ◽  
8 Tev ◽  
Proton Proton Collisions

An asymptotic solution to the QCD parton branching equation is derived using the method of Laplace transformation and saddle point approximation. The distribution is applied to charged particle multiplicity distributions in proton-proton collisions at √s = 0.9, 2.36, and 7 TeV for |ƞ| < 0.5, 1.0, 1.5, 2.0, 2.4, and 8 TeV for |ƞ| < 0.5, 1.0, 1.5, as well as 13 TeV data for |ƞ| < 0.8 and 2.5.

A PARAMETER-FREE CALCULATION OF PROTON-NUCLEUS MULTIPLICITIES IN A RAPIDITY WINDOW

1990 ◽  
Vol 05 (12) ◽  
pp. 2411-2421 ◽  
Author(s):  
C. S. LAM ◽  
D. KIANG ◽  
T. OCHIAI
Keyword(s):  
Proton Proton ◽  
Proton Collisions ◽  
Multiplicity Distributions ◽  
Good For ◽  
Proton Proton Collisions ◽  
Forward Hemisphere

Average multiplicities and multiplicity distributions in fixed rapidity windows are calculated for proton-nucleus collisions. A geometrical wounded nucleon model is used for the calculation, whose only input comes from the data of proton-proton collisions. Agreements with the proton-nucleus data are good in the forward hemisphere and for the small rapidity intervals in the backward hemisphere, but not so good for large rapidities in the backward hemisphere.

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