The evolution of shower parton distributions in a jet is investigated in the framework of a quark recombination model. The distributions are parameterized and the Q^2 dependence of the parameters is given by polynomia...The evolution of shower parton distributions in a jet is investigated in the framework of a quark recombination model. The distributions are parameterized and the Q^2 dependence of the parameters is given by polynomials of In Q^2 for a wide range of Q^2展开更多
基金Supported in part by the National Natural Science Foundation of China uuder Grant No 10475032, and the Ministry of Education of ,China under Grant No 03113. C.B.Y would like to thank R. C. Hwa and X. N. Wang for stimulating discussions.
文摘The evolution of shower parton distributions in a jet is investigated in the framework of a quark recombination model. The distributions are parameterized and the Q^2 dependence of the parameters is given by polynomials of In Q^2 for a wide range of Q^2