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Recent Results of &psgr;(2S) Decay Branching Ratios and Decay Widths from BES

 

作者: Yongsheng Zhu,  

 

期刊: AIP Conference Proceedings  (AIP Available online 1902)
卷期: Volume 619, issue 1  

页码: 346-355

 

ISSN:0094-243X

 

年代: 1902

 

DOI:10.1063/1.1482463

 

出版商: AIP

 

数据来源: AIP

 

摘要:

The &psgr;(2S) total decay width, partial widths to hadrons, &mgr;+&mgr;−, &pgr;+&pgr;−J/&psgr; final states and corresponding branching ratios are measured with a scan experiment in the vicinity of &psgr;(2S) resonance at the BES. The preliminary results give much improved accuracies compared with existing data. Also reported are the branching ratios for &psgr;(2S) to &tgr;‐pair and radiative decays. © 2002 American Institute of Physics

 

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