Investigation of the rescattering effect in D decay

ZHOU Zhi-Yong; WANG Qi-Chao; GAO Qing

doi:10.1088/1674-1137/35/8/002

Chinese Physics C> 2011, Vol. 35> Issue(8) : 708-712 DOI: 10.1088/1674-1137/35/8/002

Investigation of the rescattering effect in D decay

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With two-body unitarity equations, we demonstrate the relation between the data of Dalitz analysis of a D⁺ → K^-π⁺π⁺ decay experiment and that of Kπ scattering, and point out that there might be some underestimated ambiguity in the existing data sets, if the I=1/2 component of the Kπ system is dominant in this decay process. It is suggested that the unitarity constraints should be built in to deal with the raw data to obtain an improved result from the Dalitz analysis.

References

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ZHOU Zhi-Yong, WANG Qi-Chao and GAO Qing. Investigation of the rescattering effect in D decay[J]. Chinese Physics C, 2011, 35(8): 708-712. doi: 10.1088/1674-1137/35/8/002

ZHOU Zhi-Yong, WANG Qi-Chao and GAO Qing. Investigation of the rescattering effect in D decay[J]. Chinese Physics C, 2011, 35(8): 708-712. doi: 10.1088/1674-1137/35/8/002 shu

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Received: 2010-11-01
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Investigation of the rescattering effect in D decay

Received Date: 2010-11-01
Accepted Date: 1900-01-01
Available Online: 2011-08-05

Abstract: With two-body unitarity equations, we demonstrate the relation between the data of Dalitz analysis of a D⁺ → K^-π⁺π⁺ decay experiment and that of Kπ scattering, and point out that there might be some underestimated ambiguity in the existing data sets, if the I=1/2 component of the Kπ system is dominant in this decay process. It is suggested that the unitarity constraints should be built in to deal with the raw data to obtain an improved result from the Dalitz analysis.