Chinese Physics C > 2004, Vol. 28 > Issue(5): 463-468

Monte Carlo Study of K^*(892) Mass Splitting at BEPCⅡ/BESⅢ

Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

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The mass splitting of K ^*(892)± and K ^*(892)0 is studied through J/ψ→K±K ^*(892) and J/ψ→K0 ^*892)0 at EBPCⅡ/BESⅢ. The Geant3-based Monte-Carlo simulation shows that the K ^*(892) mass splitting can be precisely measured at BESⅢ. If the mass splitting is 600MeV, then BESⅢ can give ΔM=5.79±0.16±0.13MeV, where the first error is statistical error and the second is systemic error.

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SUN Sheng-Sen, SHEN Xiao-Yan, ZHENG Zhi-Peng and YAN Mu-Lin. Monte Carlo Study of K ^*(892) Mass Splitting at BEPCⅡ/BESⅢ[J]. Chinese Physics C, 2004, 28(5): 463-468.

SUN Sheng-Sen, SHEN Xiao-Yan, ZHENG Zhi-Peng and YAN Mu-Lin. Monte Carlo Study of K ^*(892) Mass Splitting at BEPCⅡ/BESⅢ[J]. Chinese Physics C, 2004, 28(5): 463-468. shu

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Received: 2003-10-24
Revised: 1900-01-01

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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

Monte Carlo Study of K^*(892) Mass Splitting at BEPCⅡ/BESⅢ

Corresponding author:SUN Sheng-Sen,

Department of Modern Physics,University of Science and Technology of China,Hefei 230026,China2 Institute of High Energy Physics,CAS,Beijing 100039,China

Received Date:2003-10-24

Accepted Date:1900-01-01

Available Online:2004-05-05

Abstract:The mass splitting of K^*(892)± and K^*(892)0 is studied through J/ψ→K±K^*(892) and J/ψ→K0^*892)0 at EBPCⅡ/BESⅢ. The Geant3-based Monte-Carlo simulation shows that the K^*(892) mass splitting can be precisely measured at BESⅢ. If the mass splitting is 600MeV, then BESⅢ can give ΔM=5.79±0.16±0.13MeV, where the first error is statistical error and the second is systemic error.

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Monte Carlo Study of K^*(892) Mass Splitting at BEPCⅡ/BESⅢ

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