期刊
PHYSICS LETTERS B
卷 501, 期 1-2, 页码 98-105出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0370-2693(01)00099-5
关键词
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We present the first lattice calculation of the matrix element of the electromagnetic operator [pi (0)/Q(gamma)(+)/K-0], where = Q(gamma)(+) = (Q(d)e/16 pi (2))((s) over bar (L)sigma (mu nu) F(mu nu)d(R) + (s) over bar (R)sigma (mu nu) F(mu nu)d(L)) This matrix element plays an important roe, since it contributes to enhance the CP violating part of the K-L --> pi (0)e(+)e(-) amplitude in supersymmetric extensions of the Standard Model. (C) 2001 Elsevier Science B.V. All rights reserved.
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