Experimental Determination of the Radiative Correction Factor Δr and Phenomenological Analyses

XIAO Zhen-Jun; LU Gong-Ru; DING Yi-Bing

Chinese Physics C> 1993, Vol. 17> Issue(6) : 516-523

Experimental Determination of the Radiative Correction Factor Δr and Phenomenological Analyses

Department of Physics,Henan Normal University,Xinxiang 4530021 Department of Physics,Graduate School,Academia Sinica,Beijing 100039

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In this paper the experimental value of radiative correction Δr was derived from the new data of sin ²θ_w and W boson mass M_w given by LEP,CDF and other collaborations.A careful comparison of (Δr)_exp with the standard model expectation was carried out.We first calculated the Δr at full one-loop level,and then the main two-loop contributions were included.More stringent upper bounds on M_t were obtained from the analysis of probability distribution:M_t175GeV at 95%C.L. for a given M_H=100GeV.The effects on N_t from other experimental and theoretical errors were also computed.

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XIAO Zhen-Jun, LU Gong-Ru and DING Yi-Bing. Experimental Determination of the Radiative Correction Factor Δr and Phenomenological Analyses[J]. Chinese Physics C, 1993, 17(6): 516-523.

XIAO Zhen-Jun, LU Gong-Ru and DING Yi-Bing. Experimental Determination of the Radiative Correction Factor Δr and Phenomenological Analyses[J]. Chinese Physics C, 1993, 17(6): 516-523. shu

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Received: 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

Experimental Determination of the Radiative Correction Factor Δr and Phenomenological Analyses

Corresponding author: XIAO Zhen-Jun,

Department of Physics,Henan Normal University,Xinxiang 4530021 Department of Physics,Graduate School,Academia Sinica,Beijing 100039

Received Date: 1900-01-01

Accepted Date: 1900-01-01

Available Online: 1993-06-05

Abstract: In this paper the experimental value of radiative correction Δr was derived from the new data of sin ²θ_w and W boson mass M_w given by LEP,CDF and other collaborations.A careful comparison of (Δr)_exp with the standard model expectation was carried out.We first calculated the Δr at full one-loop level,and then the main two-loop contributions were included.More stringent upper bounds on M_t were obtained from the analysis of probability distribution:M_t175GeV at 95%C.L. for a given M_H=100GeV.The effects on N_t from other experimental and theoretical errors were also computed.

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Experimental Determination of the Radiative Correction Factor Δr and Phenomenological Analyses

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