Effects of extra space-time dimensions on the Fermi constant

被引：104
作者：
Nath, P [1 ]
Yamaguchi, M
机构：
[1] Northeastern Univ, Dept Phys, Boston, MA 02115 USA
[2] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
来源：
PHYSICAL REVIEW D | 1999年 / 60卷 / 11期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1103/PhysRevD.60.116004
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Effects of Kaluza-Klein excitations associated with extra dimensions with large radius compactifications on the Fermi constant are explored. It is shown that the current precision determinations of the Fermi constant, of the fine structure constant, and of the W and Z mass put stringent constraints on the compactification radius. The analysis excludes one extra space-time dimension below similar to 1.6 TeV, and excludes 2, 3, and 4 extra space dimensions opening simultaneously below similar to 3.5 TeV, 5.7 TeV, and 7.8 TeV at the 90% C.L. The implications of these results for future collider experiments are discussed. [S0556-2821(99)05821-X].
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页数：4
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