J/PSI-PRODUCTION VIA FRAGMENTATION AT THE FERMILAB-TEVATRON

被引：117

作者：

CACCIARI, M

GRECO, M

机构：

[1] IST NAZL FIS NUCL,I-27100 PAVIA,ITALY

[2] UNIV LAQUILA,DIPARTIMENTO FIS,I-67100 LAQUILA,ITALY

[3] IST NAZL FIS NUCL,LAB NAZL FRASCATI,I-00044 FRASCATI,ITALY

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 73卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.73.1586

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The production of J/psi at large transverse momenta (pr > M(J/psi) in <p(p)over bar> collisions is considered, including the mechanism of fragmentation. Contributions of fragmentation both to production of J/psi and to production of chi states followed by radiative decay to J/psi are taken into account. The latter is found to be dominant and larger than direct production. The overall theoretical estimate is shown to be nearly consistent with the experimental observation.

引用

页码：1586 / 1589

页数：4

共 29 条

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