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Polarizedppproduction of &psgr; at lowpTand the polarized gluon distribution function

 

作者: M. A. Doncheski,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1991)
卷期: Volume 223, issue 1  

页码: 210-214

 

ISSN:0094-243X

 

年代: 1991

 

DOI:10.1063/1.40482

 

出版商: AIP

 

数据来源: AIP

 

摘要:

It is known that the hadroproduction of &psgr; is dominated bygg→&khgr;0,2→&ggr;&psgr; andgg→g&psgr;. The helicity amplitude method allows for the calculation of the necessary polarized parton level processesgg→qq¯ andgg→gqq¯. Techniques exist which can be used to relate the relatively well understood non‐relativistic potential model quarkonium wavefunctions to thegg&khgr; andggg&psgr; couplings. Thus it is possible to isolate the polarized gluon contribution to the spin‐spin asymmetry from other sources of asymmetry, and study the polarized gluon distribution function directly.

 

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