| Literature DB >> 18518094 |
M Schumann1, M Kreuz, M Deissenroth, F Glück, J Krempel, B Märkisch, D Mund, A Petoukhov, T Soldner, H Abele.
Abstract
The proton asymmetry parameter C in neutron decay describes the angular correlation between neutron spin and proton momentum. In this Letter, the first measurement of this quantity is presented. The result C= -0.2377(26) agrees with the standard model expectation. The coefficient C provides an additional parameter for new and improved standard model tests.Year: 2008 PMID： 18518094 DOI： 10.1103/PhysRevLett.100.151801
Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161