A Study of the Charm-Baryonic Structure from ㄚ Decays

PING Rong-Gang; ZOU Bing-Song

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2024年10月30日

Chinese Physics C> 2005, Vol. 29> Issue(4) : 361-365

A Study of the Charm-Baryonic Structure from ㄚ Decays

PING Rong-Gang ^, ,
ZOU Bing-Song

CCASTWorld Lab.,Beijing 100080,China2 Institute of High Energy Physics,CAS,Beijing 100049,China

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Abstract：
In the framework of perturbative QCD,the exclusive decays $\Upsilon\to B\bar B$(B:baryon) are studied.With the constituent quark model describing the charm-baryonic structure, we calculate the decay widths for $\Upsilon\to p\bar p,\Lambda_c\bar \Lambda_c,\Sigma_c\bar \Sigma_c,\Xi_c\bar \Xi_c,\Xi_{cc}^+\Xi_{cc}^-,\occc\bar \occc $ , and discuss the prospect to search for the charm baryon $\occc$ in $\Upsilon$ decays.

References

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PING Rong-Gang and ZOU Bing-Song. A Study of the Charm-Baryonic Structure from ㄚ Decays[J]. Chinese Physics C, 2005, 29(4): 361-365.

PING Rong-Gang and ZOU Bing-Song. A Study of the Charm-Baryonic Structure from ㄚ Decays[J]. Chinese Physics C, 2005, 29(4): 361-365. shu

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Received: 2004-07-21
Revised: 2004-11-18

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A Study of the Charm-Baryonic Structure from ㄚ Decays

PING Rong-Gang ^,
ZOU Bing-Song

Corresponding author: PING Rong-Gang,

CCASTWorld Lab.,Beijing 100080,China2 Institute of High Energy Physics,CAS,Beijing 100049,China

Received Date: 2004-07-21
Accepted Date: 2004-11-18
Available Online: 2005-04-05

Abstract: In the framework of perturbative QCD,the exclusive decays $\Upsilon\to B\bar B$(B:baryon) are studied.With the constituent quark model describing the charm-baryonic structure, we calculate the decay widths for $\Upsilon\to p\bar p,\Lambda_c\bar \Lambda_c,\Sigma_c\bar \Sigma_c,\Xi_c\bar \Xi_c,\Xi_{cc}^+\Xi_{cc}^-,\occc\bar \occc $ , and discuss the prospect to search for the charm baryon $\occc$ in $\Upsilon$ decays.