NEW METHOD FOR DETERMINATION OF THE D-](K)BAR-ASTERISK+E(+)+NU AXIAL-VECTOR FORM-FACTORS WITHOUT RESORTING TO ANGULAR-DISTRIBUTIONS

被引：7

作者：

PHAM, XY ^{[1
]}

机构：

[1] LAB PHYS THEOR & HAUT ENERGIES, PARIS, FRANCE

来源：

PHYSICAL REVIEW D | 1992年 / 46卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.46.R1909

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Together with the rate GAMMA(P --> V + e + v) where P and V stand for pseudoscalar and vector mesons, respectively, measurement of the slope d-GAMMA/dq2 at q2 = 0 is sufficient to determine the two axial-vector form factors A1(0) and A2(0) and, hence, to bypass the complicated fourfold angular distributions fitting method used by the experimentalists. Examples of D --> KstarBAR + e+ + v and B --> rho + e+ + v are given.

引用

页码：R1909 / R1913

页数：5

共 16 条

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