Chinese Physics C > 1981, Vol. 5 > Issue(1): 55-66

MULTIPLICITY DISTRIBUTIONS, DISPERSION, CORRELATIONS AND KNO SCALING

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Abstract：
Secondary charged particles produced in hadron-hadron collisions are divided quantitatively into two kinds in the light of the picture given by the authors [1, 2] and the results deduced therefrom. One of these parts, the genuine newborn particles, is analysed by means of the N(Q)dependence in [1]. Under the assumption that the dependence of the fluctuation of the number of newborn quark pairs on the ratio of kinetic to potential energies takes the form of a compound Poisson distribution, it is shown that the multiplicity distributions, dispersions, correlations and KNO scaling in pp collisions can be fitted with a single parameter on a unified basis. General formula of moments c≡ ^k/ ^kare given and their asymptotic properties are studied, resulting in an explanation of the appearance and behavior of the KNO scaling. A brief ldiscussion is given to the possible origin of the multiplicity distribution.

References

[1]

谢去病,高能物理与核物理,3 (1979). 530[2] 谢去病,高能物理与核物理,4 (1980). 466.[3] K. Zalewaki, 1974 Proc. 17th Int. Conf. on High Energy Physics, London, I-108.[4] J. P. Aurenche and J. E. Paton, Rep. Prog. Phys., 39 (1976), 175. [5]В. С. МурЗин et al., Множественные процессы при высоких Энергиях М. Атомиздат, 1974, P. 200.[6] N. Hasliimoto, Prog. Theor. Phys., 61 (1979),151.[7] A. D'Innocenzo et al., Nuo.Cim.,44A (1978),375.[8] L. Bodini et al., Nuo. Cim., 58A (1968), 475.[9] G. Alexander et al., Phys. Rev., 154 (1967), 1284..[10] S. P. Almeida et al., Phys. Rev., 174 (1968), 1638.[11] V. Blobel et al., Nucl. Phys., 69B (1974), 454.[12] D. B. Smith et al., Phys. Rev. Lett., 23 (1969), 1064.[13] H. Bσggild et al., Nucl. Phys., 27B (1971), 285.[14] W. H. Sima et al., Nucl. Phys., 41B (1972), 317.

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XIE QU-BING and MO WEN-CHUAN. MULTIPLICITY DISTRIBUTIONS, DISPERSION, CORRELATIONS AND KNO SCALING[J]. Chinese Physics C, 1981, 5(1): 55-66.

XIE QU-BING and MO WEN-CHUAN. MULTIPLICITY DISTRIBUTIONS, DISPERSION, CORRELATIONS AND KNO SCALING[J]. Chinese Physics C, 1981, 5(1): 55-66. shu

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Received: 1979-12-11
Revised: 1900-01-01

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

MULTIPLICITY DISTRIBUTIONS, DISPERSION, CORRELATIONS AND KNO SCALING

XIE QU-BING
MO WEN-CHUAN

Received Date:1979-12-11
Accepted Date:1900-01-01
Available Online:1981-05-05

Abstract:Secondary charged particles produced in hadron-hadron collisions are divided quantitatively into two kinds in the light of the picture given by the authors [1, 2] and the results deduced therefrom. One of these parts, the genuine newborn particles, is analysed by means of theN(Q)dependence in [1]. Under the assumption that the dependence of the fluctuation of the number of newborn quark pairs on the ratio of kinetic to potential energies takes the form of a compound Poisson distribution, it is shown that the multiplicity distributions, dispersions, correlations and KNO scaling in pp collisions can be fitted with a single parameter on a unified basis. General formula of moments c≡ ^k/ ^kare given and their asymptotic properties are studied, resulting in an explanation of the appearance and behavior of the KNO scaling. A brief ldiscussion is given to the possible origin of the multiplicity distribution.