POLARIZATION OF POSITIVE MUONS PRODUCED IN HIGH-ENERGY ANTINEUTRINO INTERACTIONS

被引：24

作者：

JONKER, M

PANMAN, J

UDO, F

NAVARRIA, FL

ALLABY, JV

AMALDI, U

BARBIELLINI, G

BARONCELLI, A

COCCONI, G

GROOT, JGHD

FLEGEL, W

GALL, PD

KOZANECKI, W

LONGO, E

MESS, KH

METCALF, M

MEYER, J

ORR, RS

SAVOYNAVARRO, A

SCHNEIDER, F

WETHERELL, AM

WINTER, K

BUSSER, FW

GROTE, H

HEINE, P

KROGER, B

NIEBERGALL, F

STAHELIN, P

GRIGORIEV, E

KAFTANOV, V

KHOVANSKY, V

ROSANOV, A

BORGIA, B

BOSIO, C

CAPONE, A

FERRONI, F

MONACELLI, P

NOTARISTEFANI, FD

PISTILLI, P

SANTONI, C

VALENTE, V

机构：

[1] MOSCOW THEORET & EXPTL PHYS INST,MOSCOW,USSR

[2] NATL INST NUCL PHYS,ROME,ITALY

[3] UNIV BOLOGNA,IST FIS,I-40126 BOLOGNA,ITALY

[4] CERN,CH-1211 GENEVA 23,SWITZERLAND

[5] UNIV HAMBURG,INST EXPTL PHYS 2,D-2000 HAMBURG 13,FED REP GER

来源：

PHYSICS LETTERS B | 1979年 / 86卷 / 02期

关键词：

D O I：

10.1016/0370-2693(79)90827-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The polarization of positive muons produced in charged current interactions of high-energy antineutrinos in iron has been measured at an average momentum transfer of 〈Q2〉 = 3.2 GeV2. The muon spin is found to be oriented forward with respect to the muon momentum vector with an average polarization of 1.09 ± 0.22, consistent with helicity +1. It is concluded that the weak leptonic charged current retains its dominant vector and axial vector structure at high energies. © 1979.

引用

页码：229 / 233

页数：5

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