Using the factorizable character of amplitudes for the double diffractive process in the Landshoff-Nachtmann model,we have discussed the inclusive glueball production in high-energy pp collision via the fusion process...Using the factorizable character of amplitudes for the double diffractive process in the Landshoff-Nachtmann model,we have discussed the inclusive glueball production in high-energy pp collision via the fusion process of two non-perturbative gluons,and have compared it with double diffractive alike process.We found that,as the c.m.energy Ecms increases from 20 to 20000 GeV,the cross sections of the latter process are about one to two orders larger than the former.Such an outcome could be explained from the hypothesis of duality between glueballs and Promeron.展开更多
We enumerate the limitations in the frame of Regge phenomenology and demonstrate that it should be extended to cover the freedom of constituent gluon,We declare that glueballs are the bound states of constituent gluon...We enumerate the limitations in the frame of Regge phenomenology and demonstrate that it should be extended to cover the freedom of constituent gluon,We declare that glueballs are the bound states of constituent gluons.Based on these observations we discuss the glueball production mechanism and the structure of Pomeron.展开更多
The experimental results on maximum pseudo-rapidityηmax distribution in the charge exchange processes e+P→e+N+X(X means anything)are discussed.The contributions of reggeon from Regge phenomenology and ofπ^(+)-excha...The experimental results on maximum pseudo-rapidityηmax distribution in the charge exchange processes e+P→e+N+X(X means anything)are discussed.The contributions of reggeon from Regge phenomenology and ofπ^(+)-exchange from pion cloud model are calculated.The results show that neither the Rρ-exchange nor the pion cloud model alone can explain the experimental data well,but after considering these two processes together,by using Monte Carlo simulation,a good agreement between the theoretical results and experimental data is found.展开更多
基金Supported in part by the National Natural Science Foundation of China under Grant No.19835060Natural Science Foundation of Hebei Province under Grant No.100114。
文摘Using the factorizable character of amplitudes for the double diffractive process in the Landshoff-Nachtmann model,we have discussed the inclusive glueball production in high-energy pp collision via the fusion process of two non-perturbative gluons,and have compared it with double diffractive alike process.We found that,as the c.m.energy Ecms increases from 20 to 20000 GeV,the cross sections of the latter process are about one to two orders larger than the former.Such an outcome could be explained from the hypothesis of duality between glueballs and Promeron.
基金Supported in part by the National Natural Science Foundation of China under Grant No.19835060.
文摘We enumerate the limitations in the frame of Regge phenomenology and demonstrate that it should be extended to cover the freedom of constituent gluon,We declare that glueballs are the bound states of constituent gluons.Based on these observations we discuss the glueball production mechanism and the structure of Pomeron.
基金Supported in part by the National Natural Science Foundation of China under Grant No.19575021the Doctoral Program Foundation of Institution of Higher Education of China.
文摘The experimental results on maximum pseudo-rapidityηmax distribution in the charge exchange processes e+P→e+N+X(X means anything)are discussed.The contributions of reggeon from Regge phenomenology and ofπ^(+)-exchange from pion cloud model are calculated.The results show that neither the Rρ-exchange nor the pion cloud model alone can explain the experimental data well,but after considering these two processes together,by using Monte Carlo simulation,a good agreement between the theoretical results and experimental data is found.
