Analysis of pion production data measured by HADES in proton-proton collisions at 1.25 GeV

被引：0
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作者：
G. Agakishiev
A. Balanda
D. Belver
A. Belyaev
J. C. Berger-Chen
A. Blanco
M. Böhmer
J. L. Boyard
P. Cabanelas
S. Chernenko
A. Dybczak
E. Epple
L. Fabbietti
O. Fateev
P. Finocchiaro
P. Fonte
J. Friese
I. Fröhlich
T. Galatyuk
J. A. Garzón
R. Gernhäuser
K. Göbel
M. Golubeva
F. D.
M. Guber
T. Gumberidze
T. Heinz
R. Hennino
A. Holzmann
I. Ierusalimov
A. Iori
M. Ivashkin
B. Jurkovic
T. Kämpfer
I. Karavicheva
W. Koenig
B. W. Koenig
G. Kolb
R. Kornakov
A. Kotte
F. Krása
R. Krizek
H. Krücken
W. Kuc
A. Kühn
A. Kugler
V. Kurepin
R. Ladygin
S. Lalik
K. Lang
机构：
[1] Laboratori Nazionali del Sud,Istituto Nazionale di Fisica Nucleare
[2] Fısica Experimental de Partıculas,LIP
[3] Jagiellonian University of Cracow,Laboratório de Instrumentação e
[4] GSI Helmholtzzentrum für Schwerionenforschung GmbH,Smoluchowski Institute of Physics
[5] Technische Universität Darmstadt,Institut für Strahlenphysik
[6] Helmholtz-Zentrum Dresden-Rossendorf,Institut für Kernphysik
[7] Joint Institute of Nuclear Research,Excellence Cluster
[8] Goethe-Universität,Physik Department E12
[9] “Origin and Structure of the Universe”,II.Physikalisches Institut
[10] Technische Universität München,Istituto Nazionale di Fisica Nucleare
[11] Justus Liebig Universität Giessen,Institute for Nuclear Research
[12] Sezione di Milano,Department of Physics
[13] Russian Academy of Science,Institut de Physique Nucléaire, CNRS
[14] Institute of Theoretical and Experimental Physics,IN2P3
[15] University of Cyprus,Nuclear Physics Institute
[16] Univ. Paris-Sud,LabCAF. F. Fısica
[17] Université Paris-Saclay,NRC “Kurchatov Institute”
[18] Academy of Sciences of Czech Republic,undefined
[19] Univ. de Santiago de Compostela,undefined
[20] PNPI,undefined
来源：
The European Physical Journal A | 2015年 / 51卷
关键词：
Angular Distribution; Invariant Mass; Total Cross Section; Partial Wave; Resonance Model;
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摘要：
Baryon resonance production in proton-proton collisions at a kinetic beam energy of 1.25GeV is investigated. The multi-differential data were measured by the HADES Collaboration. Exclusive channels with one pion in the final state (npπ+ and ppπ0 were put to extended studies based on various observables in the framework of a one-pion exchange model and with solutions obtained within the framework of a partial wave analysis (PWA) of the Bonn-Gatchina group. The results of the PWA confirm the dominant contribution of the Δ(1232), yet with a sizable impact of the N (1440) and non-resonant partial waves.
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