Z<SUP>0</SUP> Line Shape Fit

JIN Bing-Nian; XU Ya-Di

Chinese Physics C> 1992, Vol. 16> Issue(3) : 197-201

Z⁰ Line Shape Fit

JIN Bing-Nian ^, ,
XU Ya-Di

Institute of High Energy Physics,Academia Sinica,Beijing 100039

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Abstract：
We state a fitting method of the Z⁰ line shape.We discuss the radiative corrections for calculating the theoretical cross sections of e⁺e^－→ff on Z⁰ resonance,and compare the results from different programs.The systematic measurement errors are taken into account in our fitting.As an example,we fit the τ⁺τ^－ channel Z⁰ line shape to determine some Z⁰ parameters.

References

[1]

许亚娣，硕士毕业论文(1991).[2] L3 Collaboration: Z. Phys. C15(1991), 179.[3] W. de Boer, Nuclear lnssruments and Methods in Physics Research, A278(1989), 687[4] R. N. CAHN, Phys. Rev., D36(1987), 2666.[5] G. Burgers, CERN preprint CERN-TH-5119/88 (1988).[6] D. Bardin et al., Nucl. Phys., B351(1991), 1.[7] F. James and M. Roos, MINUIT manual, CERN-D506(1989).[8] D. Bardin et al., Z. Phys., C44(1989), 493.

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JIN Bing-Nian and XU Ya-Di. Z⁰ Line Shape Fit[J]. Chinese Physics C, 1992, 16(3): 197-201.

JIN Bing-Nian and XU Ya-Di. Z⁰ Line Shape Fit[J]. Chinese Physics C, 1992, 16(3): 197-201. shu

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Received: 1900-01-01
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

Z⁰ Line Shape Fit

JIN Bing-Nian ^,
XU Ya-Di

Corresponding author: JIN Bing-Nian,

Institute of High Energy Physics,Academia Sinica,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-03-05

Abstract: We state a fitting method of the Z⁰ line shape.We discuss the radiative corrections for calculating the theoretical cross sections of e⁺e^－→ff on Z⁰ resonance,and compare the results from different programs.The systematic measurement errors are taken into account in our fitting.As an example,we fit the τ⁺τ^－ channel Z⁰ line shape to determine some Z⁰ parameters.