p-wave pion production from nucleon-nucleon collisions

被引：36

作者：

Baru, V. ^{[1
,2
,3
]}

Epelbaum, E. ^{[1
,2
,4
]}

Haidenbauer, J. ^{[1
,2
,5
]}

Hanhart, C. ^{[1
,2
,5
]}

Kudryavtsev, A. E. ^{[3
]}

Lensky, V. ^{[3
,6
]}

Meissner, U. -G. ^{[1
,2
,4
,5
]}

机构：

[1] KFA Julich GmbH, Forschungszentrum, Inst Kernphys Theorie, D-52425 Julich, Germany

[2] KFA Julich GmbH, Forschungszentrum, Julich Ctr Hadron Phys, D-52425 Julich, Germany

[3] Inst Theoret & Expt Phys, Moscow 117218, Russia

[4] Univ Bonn, Bethe Ctr Theoret Phys, Helmholtz Inst Strahlen & Kernphys Theorie, D-53115 Bonn, Germany

[5] KFA Julich GmbH, Forschungszentrum, Inst Adv Simulat, D-52425 Julich, Germany

[6] European Ctr Theoret Studies Nucl Phys & Related, I-38050 Trento, TN, Italy

来源：

PHYSICAL REVIEW C | 2009年 / 80卷 / 04期

关键词：

DIFFERENTIAL CROSS-SECTION; TO-LEADING-ORDER; MESON PRODUCTION; CHIRAL LAGRANGIANS; SCATTERING LENGTH; ANALYZING POWERS; THRESHOLD; FORCES; PP-PI(0);

D O I：

10.1103/PhysRevC.80.044003

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 investigate p-wave pion production in nucleon-nucleon collisions up to next-to-next-to-leading order in chiral effective field theory. In particular, we show that it is possible to describe simultaneously the p-wave amplitudes in the pn -> pp pi(-), pp -> pn pi(+), pp -> d pi(+) channels by adjusting a single low-energy constant accompanying the short-range operator that is available at this order. This study provides a nontrivial test of the applicability of chiral effective field theory to reactions of the type NN -> NN pi.

引用

页数：16

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