A note on the mass splitting of K<SUP>*</SUP>(892)

GAO Dao-Neng; YAN Mu-Lin

doi:10.1088/1674-1137/32/11/002

Chinese Physics C> 2008, Vol. 32> Issue(11) : 862-864 DOI: 10.1088/1674-1137/32/11/002

A note on the mass splitting of K^*(892)

GAO Dao-Neng ^, ,
YAN Mu-Lin

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Abstract：
Belle Collaboration reported a new observed value of K^*－(892) mass by studying τ^－→ K_Sπ－ν_τ decay, which is significantly different from the current world average value given by Particle Data Group 2006. Motivated by this new data, we revisit the issue on the K^*0(892)－K^*±(892) mass splitting. Our theoretical estimation favors the new measurement by Belle Collaboration. Therefore further experimental efforts are urgently needed to improve our understanding of these issues.

References

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GAO Dao-Neng and YAN Mu-Lin. A note on the mass splitting of K^*(892)[J]. Chinese Physics C, 2008, 32(11): 862-864. doi: 10.1088/1674-1137/32/11/002

GAO Dao-Neng and YAN Mu-Lin. A note on the mass splitting of K^*(892)[J]. Chinese Physics C, 2008, 32(11): 862-864. doi: 10.1088/1674-1137/32/11/002 shu

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Received: 2008-01-09
Revised: 2008-02-04

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

A note on the mass splitting of K^*(892)

Corresponding author: GAO Dao-Neng,

Received Date: 2008-01-09

Accepted Date: 2008-02-04

Available Online: 2008-11-05

Abstract:

Belle Collaboration reported a new observed value of K^*－(892) mass by studying τ^－→ K_Sπ－ν_τ decay, which is significantly different from the current world average value given by Particle Data Group 2006. Motivated by this new data, we revisit the issue on the K^*0(892)－K^*±(892) mass splitting. Our theoretical estimation favors the new measurement by Belle Collaboration. Therefore further experimental efforts are urgently needed to improve our understanding of these issues.

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A note on the mass splitting of K^*(892)

A note on the mass splitting of K^*(892)