THE QUARK DEGREES OF FREEDOM IN HIGH ENERGY COMPOSITE PARTICLE SCATTERING

HUANG Chao-Hui; WANG De-An; MA Wei-Xing

Chinese Physics C> 1989, Vol. 13> Issue(6) : 535-538

THE QUARK DEGREES OF FREEDOM IN HIGH ENERGY COMPOSITE PARTICLE SCATTERING

Guangxi University,Nanning2 Center of Theoretical Physics,CCAST World Lab.,and Institute of High Energy Physics,Academic Sinica Beijing

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Abstract：
We propose a hybrid quark hadron model to describe high energy composite particle scattering.The parameters for quark sector in the model are determined by fitting pp scattering data.We apply the model without any free parameter to proton-alpha elastic scattering.Our model yields a quite large improvement over various calculations done before and provides a very good agreement with existing data available.Our results also show that the quark degrees of freedom in NN interaction play an important role in improving theoretical description of experimental data and must be included in future calculations.

References

[1]

Leonard S. Kisslinger. W, H. Ma and P. Hoodsjoy Nucl Phys A449(1986),461;Leonard S. Kis-slinger. "Workshop on perspectives in Nuclear Physics at intermediate energies", Tieste. March 25-29,1985.[2] Victor Franco, Phys. Rev. C35(1967), 1328.[3] R. J. Glauber, Lectures in Theroretical Physics, ed. W. E. Britin et al., (Interscience, New York, 1979)Vol. 1. p. 315.[4] S. Brodsky, Proc. Int. Srhool on Nuclear Physics, Erice, 1964.[5] R. D. Viollier et al., Preprint, CERN, Ref. TH. 2529-CERN, 18 July, 1978; V. Franco et al., Phys. Rev.C34(1986), 608.[6] K. R. Schubert, Talks on Nucieon-Nucleon Scattering, Vol. 9 of Londolt-Bornstein Numerical Da'a and Functional Relationship in Science and Technology, New Series, edited by M. Schopper (Springer New York 1980) p. 273.

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HUANG Chao-Hui, WANG De-An and MA Wei-Xing. THE QUARK DEGREES OF FREEDOM IN HIGH ENERGY COMPOSITE PARTICLE SCATTERING[J]. Chinese Physics C, 1989, 13(6): 535-538.

HUANG Chao-Hui, WANG De-An and MA Wei-Xing. THE QUARK DEGREES OF FREEDOM IN HIGH ENERGY COMPOSITE PARTICLE SCATTERING[J]. Chinese Physics C, 1989, 13(6): 535-538. shu

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Received: 1900-01-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

THE QUARK DEGREES OF FREEDOM IN HIGH ENERGY COMPOSITE PARTICLE SCATTERING

Corresponding author: HUANG Chao-Hui,

Guangxi University,Nanning2 Center of Theoretical Physics,CCAST World Lab.,and Institute of High Energy Physics,Academic Sinica Beijing

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1989-06-05

Abstract: We propose a hybrid quark hadron model to describe high energy composite particle scattering.The parameters for quark sector in the model are determined by fitting pp scattering data.We apply the model without any free parameter to proton-alpha elastic scattering.Our model yields a quite large improvement over various calculations done before and provides a very good agreement with existing data available.Our results also show that the quark degrees of freedom in NN interaction play an important role in improving theoretical description of experimental data and must be included in future calculations.