Old and new physics interpretations of the NuTeV anomaly

被引：171

作者：

Davidson, S ^{[1
]}

Forte, S

Gambino, P

Rius, N

Strumia, A

机构：

[1] Univ Valencia, CSIC, Dept Fis Teor, Valencia, Spain

[2] Univ Valencia, CSIC, IFIC, Valencia, Spain

[3] Univ Durham, IPPP, Durham DH1 3LE, England

[4] Ist Nazl Fis Nucl, Sez Roma 3, I-00146 Rome, Italy

[5] CERN, Div Theoret Phys, CH-1211 Geneva 23, Switzerland

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2002年 / 02期

关键词：

beyond standard model; LEP HERA and SLC physics; QCD; deep inelastic scattering;

D O I：

10.1088/1126-6708/2002/02/037

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 discuss whether the NuTeV anomaly can be explained, compatibly with all other data, by QCD erects (maybe, if the strange sea is asymmetric, or there is a tiny violation of isospin), new physics in propagators or couplings of the vector bosons (not really), loops of supersymmetric particles (no), dimension six operators (yes, for one specific SU(2)(L)-invariant operator), leptoquarks (not in a minimal way), extra U(1) gauge bosons (maybe: an unmixed Z' coupled to B - 3L(mu) also increases the muon g - 2 by about 10(-9) and gives a 'burst' to cosmic rays above the GZK cutoff).

引用

页码：749 / 775

页数：27

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