{KNO} Scaling and Production Mechanism in High-energy Collisions

Chou, Kuan-chao; Liu, Lian-sou; Meng, Ta-chung

doi:10.1103/PhysRevD.28.1080

{KNO} Scaling and Production Mechanism in High-energy Collisions

Kuan-chao Chou
(
- Beijing, Inst. Theor. Phys.
)
,
Lian-sou Liu
(
- Freie U., Berlin
)
,
Ta-chung Meng
(
- Freie U., Berlin
)

Apr, 1983

32 pages

Published in:

Phys.Rev.D 28 (1983) 1080

DOI:

10.1103/PhysRevD.28.1080

Report number:

FUB-HEP-4-83

View in:

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Abstract: (APS)

An analysis of the existing data on photoproduction and electroproduction of protons is made. Koba-Nielsen-Olesen (KNO) scaling is observed in both cases. The scaling function of the nondiffractive γp processes turns out to be the same as that for nondiffractive hadron-hadron collisions, but the scaling function for deep-inelastic e−p collisions is very much different from that for e−e+ annihilation processes. Taken together with the observed difference in KNO scaling functions in e−e+ annihilation and nondiffractive hadron-hadron processes these empirical facts provide further evidence for the conjecture: The KNO scaling function of a given collision process reflects its reaction mechanism. Arguments for this conjecture are given in terms of a semiclassical picture. It is shown that, in the framework of the proposed picture, explicit expressions for the above-mentioned KNO scaling functions can be derived from rather general assumptions.

ELECTRON P: INCLUSIVE REACTION
PHOTON P: INCLUSIVE REACTION
ELECTRON POSITRON: ANNIHILATION
ANNIHILATION: ELECTRON POSITRON
ELECTRON POSITRON: INCLUSIVE REACTION
HADRON HADRON: INCLUSIVE REACTION
HADRON: ELECTROPRODUCTION
ELECTROPRODUCTION: HADRON
HADRON: PHOTOPRODUCTION
PHOTOPRODUCTION: HADRON

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