MEASUREMENT OF THE ELASTIC-SCATTERING OF NEUTRINOS AND ANTINEUTRINOS BY PROTONS

被引：28

作者：

ENTENBERG, A

HORSTKOTTE, J

KOZANECKI, W

MANN, AK

RUBBIA, C

STRAIT, J

SULAK, L

WANDERER, P

WILLIAMS, HH

机构：

[1] HARVARD UNIV,DEPT PHYS,CAMBRIDGE,MA 02138

[2] UNIV PENN,DEPT PHYS,PHILADELPHIA,PA 19104

来源：

PHYSICAL REVIEW LETTERS | 1979年 / 42卷 / 18期

关键词：

D O I：

10.1103/PhysRevLett.42.1198

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have observed 217 (66) events of the process νp→νp (ν̄p→ν̄p) with an estimated background of 82 (28). The neutral-to-charged-current ratios are σ(νp→νp) σ(νn→μ-p)=0.11±0.02 and σ(ν̄p→ν ̄p)σ(ν̄p→μ+n)=0.19±0.05 for 0.40<Q2<0.90 (GeV/c)2, where -Q2 is the square of the momentum transfer to the nucleon. These yield σ(ν̄p→ν̄p)σ(νp→νp)=0. 53±0.17. The neutral-current form factors at Q2=0 are GE=0.5-0.5+0.25, GM=1.0-0.04+0.35, and gA=0.5-0.15+0.2. © 1979 The American Physical Society.

引用

页码：1198 / 1201

页数：4

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