Improved analysis of coherent neutral pion electroproduction on deuterium in chiral perturbation theorya

被引：0

作者：

H. Krebs

V. Bernard

U. -G. Meißner

机构：

[1] Universität Bonn,Laboratoire de Physique Théorique

[2] Université Louis Pasteur,undefined

[3] Forschungszentrum Jülich,undefined

来源：

The European Physical Journal A - Hadrons and Nuclei | 2004年 / 22卷

关键词：

25.30.Rw Electroproduction reactions; 12.39.Fe Chiral Lagrangians; 14.20.Dh Protons and neutrons;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Coherent near-threshold neutral pion electroproduction on the deuteron is studied in the framework of heavy baryon chiral perturbation theory. We include the next-to-leading-order corrections to the three-body contributions. We find an improved description of the total and differential cross-section data measured at MAMI. We also obtain more precise values for the threshold S-wave multipoles. We discuss in detail the theoretical uncertainties of the calculation.

引用

页码：503 / 514

页数：11

共 23 条

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The European Physical Journal C, 2017, 77
[22] An analytic analysis of the pion decay constant in three-flavoured chiral perturbation theory
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Ghosh, Shayan
EUROPEAN PHYSICAL JOURNAL C, 2017, 77 (07):
[23] Neutral pion threshold production at Q2=0.05 GeV2/c2 and chiral perturbation theory -: art. no. 012301
Merkel, H
Bartsch, P
Baumann, D
Bermuth, J
Bernstein, AM
Bohinc, K
Böhm, R
Clawiter, N
Derber, S
Ding, M
Distler, MO
Ewald, I
Friedrich, JM
Friedrich, J
Jennewein, P
Kahrau, M
Kohl, M
Krygier, KW
Kuss, M
Liesenfeld, A
Merle, P
Miskimen, RA
Müller, U
Neuhausen, R
Pavan, MM
Pospischil, T
Potokar, M
Rosner, G
Schmieden, H
Seimetz, M
Sirca, S
Wagner, A
Walcher, T
Weis, M
PHYSICAL REVIEW LETTERS, 2002, 88 (01) : 4

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