PRODUCTION, DECAY, AND POLARIZATION OF EXCITED HEAVY HADRONS

被引:120
作者
FALK, AF
PESKIN, ME
机构
[1] Stanford Linear Accelerator Center, Stanford University, Stanford
[2] Johns Hopkins University, Baltimore
[3] Department of Physics 0319, University of California at San Diego, San Diego
来源
PHYSICAL REVIEW D | 1994年 / 49卷 / 07期
关键词
D O I
10.1103/PhysRevD.49.3320
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We discuss the production via fragmentation of excited heavy mesons and baryons, and their subsequent decay. In particular, we consider the question of whether a net polarization of the initial heavy quark may be detected, either in a polarization of the final ground state or in anisotropies in the decay products of the excited hadron. The result hinges in part on a nonperturbative parameter which measures the net transverse alignment of the light degrees of freedom in the fragmentation process. We use existing data on charmed mesons to extract this quantity for certain excited mesons. Using this result we estimate the polarization retention of charm and bottom baryons.
引用
收藏
页码:3320 / 3332
页数:13
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