MEASUREMENT OF THE K+-]PI-0E+NU FORM-FACTORS

被引：31

作者：

AKIMENKO, SA

BELOUSSOV, VI

BITSADZE, GS

BLICK, AM

BUDAGOV, YA

CHIRIKOVZORIN, IE

CHLACHIDZE, GA

DAVYDOV, YI

DZHELEPOV, VP

FESHCHENKO, AA

FLYAGIN, VB

GLAGOLEV, VV

HLINKA, V

HUBUA, DI

JORDANOV, AB

KHARZHEEV, YN

KLADIVA, E

KOLOSOV, VN

KUTIN, VM

LITOV, LB

LOMAKIN, YF

LYTKIN, LK

MALYUKOV, SN

MANIEV, VM

MINASHVILI, IA

OLEYNIK, AA

ROMANOVSCKY, VI

RUSSAKOVICH, NA

RUSSAKOVICH, NL

SEMENOV, AA

SERGEEV, SV

SITAR, B

SOLOVIEV, AS

SPALEK, J

TSENOV, RV

VELEV, GV

VINOGRADOV, VB

VOLODKO, AG

机构：

[1] Institute of High Energy Physics, Serpukhov, SU-142

[2] Joint Institute for Nuclear Research, Dubna, SU-101

[3] Institute of High Energy Physics, the Tbilisi State University

[4] University of Bratislava, Bratislava

[5] Sofia University, Sofia

[6] Experimental Phyics Institute, the Slovak Academy of Sciences

来源：

PHYSICS LETTERS B | 1991年 / 259卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(91)90162-J

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The q2 dependence of the vector form factor has been investigated using 3.2 X 10(4) K+ --> pi-0e+v decays. The usual linear parametrization f+ (q2) = f(0) (1 + lambda+q2/m-pi-0-2) gives lambda+ = 0.0284 +/- 0.0027. An analysis of the Dalitz plot density distribution for K(e3)+ decays yields the values for the scalar and tensor couplings f(s) and f(t), and their relative phase angle phi-st.

引用

页码：225 / 228

页数：4

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