PRECISION BOUNDS ON M(H) AND M(T)

被引：21

作者：

DELAGUILA, F

MARTINEZ, M

QUIROS, M

机构：

[1] CERN,DIV PPE,CH-1211 GENEVA 23,SWITZERLAND

[2] CERN,DIV THEORY,CH-1211 GENEVA 23,SWITZERLAND

[3] CSIC,INST ENSTRUCT MAT,E-28006 MADRID,SPAIN

来源：

NUCLEAR PHYSICS B | 1992年 / 381卷 / 03期

关键词：

D O I：

10.1016/0550-3213(92)90485-T

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We perform a fit to precise electroweak data to determine the Higgs and top masses. Penalty functions taking into account their production limits are included. We find m(H) = 65(-4)+245 GeV and m(t) = 122(-20)+25 GeV. However, whereas the chi-2 distribution behaves properly near the minimum, the Higgs chi-2 distribution does not, indicating a statistical fluctuation or new physics. In fact no significative bound on the Higgs mass can be given at present. However, if the LEP accuracy is improved and the top is discovered in the preferred range of top masses, a meaningful bound on the Higgs mass could be obtained within the standard model framework.

引用

页码：451 / 466

页数：16

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