One-loop contributions in the effective field theory for the ΛN → NN transition

被引：10

作者：

Perez-Obiol, A. ^{[1
]}

Entem, D. R. ^{[2
,3
]}

Julia-Diaz, B. ^{[1
,4
]}

Parreno, A. ^{[1
]}

机构：

[1] Univ Barcelona, ICC, Dept Estruct & Constituents Mat, E-08028 Barcelona, Spain

[2] Univ Salamanca, Grp Fis Nucl, E-37008 Salamanca, Spain

[3] Univ Salamanca, IUFFyM, E-37008 Salamanca, Spain

[4] ICFO Inst Ciencies Foton, E-08860 Castelldefels, Barcelona, Spain

来源：

PHYSICAL REVIEW C | 2013年 / 87卷 / 04期

关键词：

WEAK STRANGENESS PRODUCTION; MESON-EXCHANGE; NUCLEON; DECAY;

D O I：

10.1103/PhysRevC.87.044614

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We consider the Lambda N -> NN weak transition, responsible for a large fraction of the nonmesonic weak decay of hypernuclei. We follow the previously derived effective field theory and compute the next-to-leading one-loop corrections. Explicit expressions for all diagrams are provided, which result in contributions to all relevant partial waves.

引用

页数：17

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