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Remarks on a polarized RHIC

 

作者: G. Bunce,  

 

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

页码: 147-151

 

ISSN:0094-243X

 

年代: 1991

 

DOI:10.1063/1.40474

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A polarized proton program at RHIC, with the same luminosity as for unpolarized protons of L=2×1032 cm−2 sec−1, is a very attractive possibility. Solutions for technical difficulties seem to be mostly in hand. As a benchmark, the error on a 2‐spin asymmetry measurement for jets at p⊥=50 GeV/c, for one &Dgr;p⊥=1 GeV/c bin, &Dgr;y=1, &Dgr;&fgr;=2&pgr; is &Dgr;ALL=.005 for one month of running. This level of sensitivity offers a remarkable discovery potential.In these remarks I will discuss the steps necessary to arrive at polarized protons in RHIC, and develop benchmarks for sensitivity for measuring spin asymmetries for direct photons, jets, W±, and Drell‐Yan production. Closing remarks include possibilities for detectors, a discussion of the focus of the spin program, how a RHIC spin program fits in with other plans, and suggestions on our next step.

 

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