DETERMINATION OF THE NUCLEAR WEAK AXIAL CHARGE RADIUS OF C-12 VIA THE C-12(NU(E),E(-))N-12(GS) REACTION

被引:14
作者
BODMANN, BA
BOOTH, NE
DREXLIN, G
EBERHARD, V
EDGINGTON, JA
EITEL, K
FERSTL, M
FINCKH, E
GEMMEKE, H
GRANDEGGER, W
HEHLE, M
HOSSL, J
KLEIFGES, M
KLEINFELLER, J
KRETSCHMER, W
MASCHUW, R
PLISCHKE, P
RAPP, J
SELIGMANN, B
STUMM, O
WOLF, J
WOLFFE, S
ZEITNITZ, B
机构
[1] UNIV OXFORD,DEPT NUCL PHYS,OXFORD OX1 3RH,ENGLAND
[2] KERNFORSCHUNGSZENTRUM KARLSRUHE GMBH,INST KERNPHYS 1,D-76021 KARLSRUHE,GERMANY
[3] UNIV KARLSRUHE,INST EXPTL KERNPHYS,D-76021 KARLSRUHE,GERMANY
[4] UNIV LONDON QUEEN MARY & WESTFIELD COLL,DEPT PHYS,LONDON E1 4NS,ENGLAND
关键词
D O I
10.1016/0370-2693(94)90634-3
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A recent measurement of the charged current reaction C-12(nu(e),e(-))N-12(g.s.) has been used to investigate the weak axial vector form factor F-A(q(2)) for C-12 in the range \q(2)\ less than or equal to 0.4 m(pi)(2). The analysis yields a rms radius of the weak axial charge R(A) = (3.7(-1.8)(+1.3)) fm corresponding in a dipole form to a mass parameter M(A) = (180(-45)(+200)) MeV/c(2) in agreement with results deduced from inelastic electron scattering. From the total number of observed events the value at q(2) = 0, F-A(0) = 0.73(-0.10)(+0.11), was derived.
引用
收藏
页码:215 / 218
页数:4
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