INVESTIGATION OF NEUTRINO PROPERTIES IN THE PROCESS E+E--]NU(NU)OVER-BAR-GAMMA

被引：2

作者：

FARGION, D ^{[1
]}

KONOPLICH, RV ^{[1
]}

MIGNANI, R ^{[1
]}

机构：

[1] NATL INST NUCL PHYS,ROME,ITALY

来源：

PHYSICAL REVIEW D | 1993年 / 47卷 / 03期

关键词：

D O I：

10.1103/PhysRevD.47.R751

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Assuming a nonvanishing neutrino magnetic moment mu we study tau-neutrino properties in the process e+e- --> nunugammaBAR from the single photon searches at colliders. We find that for a sufficiently large value of neutrino mass, i.e., m > 2.1 X (10(10)mu/mu(B)) MeV (where mu(B) = e/2m(e) is the Bohr magneton), the interference between the diagrams with Z0 and gamma exchange becomes important and should be taken into account in future e+e- experiments. Some cosmological and astrophysical implications of this new heavy-neutrino scenario are briefly discussed.

引用

页码：R751 / R753

页数：3

共 20 条

[1]

Bahcall J.N., 1989, NEUTRINO ASTROPHYSIC

[2] LIMIT ON THE MAGNETIC-MOMENT OF THE NEUTRINO FROM SUPERNOVA-1987A OBSERVATIONS [J].