PRECISION-MEASUREMENT OF ELECTROWEAK PARAMETERS FROM THE SCATTERING OF MUON-NEUTRINOS ON ELECTRONS

被引：189

作者：

VILAIN, P

WILQUET, G

BEYER, R

FLEGEL, W

GROTE, H

MOUTHUY, T

OVERAS, H

PANMAN, J

ROZANOV, A

WINTER, K

ZACEK, G

ZACEK, V

BUSSER, FW

FOOS, C

GERLAND, L

LAYDA, T

NIEBERGALL, F

RADEL, G

STAHELIN, P

VOSS, T

FAVART, D

GREGOIRE, G

KNOOPS, E

LEMAITRE, V

GORBUNOV, P

GRIGORIEV, E

KHOVANSKY, V

MASLENNIKOV, A

LIPPICH, W

NATHANIEL, A

STAUDE, A

VOGT, J

COCCO, AG

EREDITATO, A

FIORILLO, G

MARCHETTISTASI, F

PALLADINO, V

STROLIN, P

CAPONE, A

DEPEDIS, D

DORE, U

FRENKELRAMBALDI, A

LOVERRE, PF

MACINA, D

PIREDDA, G

SANTACESARIA, R

DICAPUA, E

RICCIARDI, S

SAITTA, B

AKKUS, B

机构：

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

[2] IST NAZL FIS NUCL,NAPLES,ITALY

[3] IST NAZL FIS NUCL,ROME,ITALY

[4] IST NAZL FIS NUCL,FERRARA,ITALY

[5] YEFAM,HIGH ENERGY PHYS RES CTR,ANKARA,TURKEY

[6] DESY,INST HOCHENERGIEPHYS,ZEUTHEN,GERMANY

[7] UNIV HAMBURG,INST EXPTL PHYS,W-2000 HAMBURG 13,GERMANY

[8] UNIV CATHOLIQUE LOUVAIN,B-1348 LOUVAIN,BELGIUM

[9] UNIV MUNICH,SEKT PHYS,W-8000 MUNICH 2,GERMANY

[10] UNIV NAPLES,I-80138 NAPLES,ITALY

[11] UNIV ROMA LA SAPIENZA,I-00185 ROME,ITALY

[12] UNIV FERRARA,I-44100 FERRARA,ITALY

来源：

PHYSICS LETTERS B | 1994年 / 335卷 / 02期

关键词：

D O I：

10.1016/0370-2693(94)91421-4

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report final results on electroweak parameters from muon-neutrino electron scattering observed in the CHARM II detector from 1987 till 1991. In total 2677 +/- 82 and 2752 +/- 88 neutrino-electron scattering events have been detected in the nu and nuBAR-beam, respectively. From the ratio of differential cross sections we obtain for the electroweak mixing angle sin2 THETA(nue) = 0.2324 +/- 0.0083. From the absolute neutrino-electron scattering event rate we determined the effective vector and axial-vector neutral current coupling constants to be g(v)nue = -0.035 +/-0.017 and g(A)nue = -0.503 +/- 0.017.

引用

页码：246 / 252

页数：7

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