Single and double pion production in np collisions at 1.25 GeV with   HADES

The HADES Collaboration:A.K.Kurilkin; G. Agakishiev; A. Balanda; D.; Belver; A. Belyaev; A. Blanco; M. B\"ohmer; J. L. Boyard; P. Cabanelas; E.; Castro; S. Chernenko; J. D\'iaz; A. Dybczak; E. Epple; L. Fabbietti; O.; Fateev; P. Finocchiaro; P. Fonte; J. Friese; I. Fr\"ohlich; T. Galatyuk; J.; A. Garz\'on; A. Gil; M. Golubeva; D. Gonz\'alez-D\'iaz; F. Guber; T. Hennino,; R. Holzmann; P. Huck; A. Ierusalimov; I. Iori; A. Ivashkin; M. Jurkovic; B.; K\"ampfer; T. Karavicheva; I. Koenig; W. Koenig; B. W. Kolb; A. Kopp; G.; Korcyl; GK. Kornakov; R. Kotte; A. Kozuch; A. Kr\'asa; F. Krizek; R.; Kr\"ucken; H. Kuc; W. K\"uhn; A. Kugler; A. Kurepin; P. Kurilkin; P. Khlitz,; V. Ladygin; J. Lamas-Valverde; S. Lang; K. Lapidus; T. Liu; L. Lopes; M.; Lorenz; L. Maier; A. Mangiarotti; J. Markert; V. Metag; B. Michalska; J.; Michel; C. M\"untz; L. Naumann; Y. C. Pachmayer; M. Palka; Y. Parpottas; V.; Pechenov; O. Pechenova; J. Pietraszko; W. Przygoda; B. Ramstein; A. Reshetin,; J. Roskoss; A. Rustamov; A. Sadovsky; P. Salabura; A. Schmah; J. Siebenson,; Yu. G. Sobolev; S. Spataro; H. Str\"obele; J. Stroth; C. Sturm; M. Sudol; A.; Tarantola; K. Teilab; P. Tlusty; M. Traxler; R. Trebacz; H. Tsertos; T.; Vasiliev; V. Wagner; M. Weber; J. W\"ustenfeld; S. Yurevich; Y. Zanevsky

arXiv:1102.1843·nucl-ex·August 14, 2016·1 cites

Single and double pion production in np collisions at 1.25 GeV with HADES

The HADES Collaboration:A.K.Kurilkin, G. Agakishiev, A. Balanda, D., Belver, A. Belyaev, A. Blanco, M. B\"ohmer, J. L. Boyard, P. Cabanelas, E., Castro, S. Chernenko, J. D\'iaz, A. Dybczak, E. Epple, L. Fabbietti, O., Fateev, P. Finocchiaro, P. Fonte, J. Friese, I. Fr\"ohlich

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TL;DR

This paper presents preliminary measurements of charged pion production in neutron-proton collisions at 1.25 GeV using HADES, comparing results with theoretical OPE+OBE model predictions and finding reasonable agreement.

Contribution

First experimental measurement of charged pion production in np collisions at 1.25 GeV with HADES, and comparison with OPE+OBE theoretical model.

Findings

01

Experimental results agree reasonably with OPE+OBE model predictions.

02

Successful isolation of np reactions in dp collisions at 1.25 GeV/u.

03

First data on specific pion production channels at this energy.

Abstract

The preliminary results on charged pion production in np collisions at an incident beam energy of 1.25 GeV measured with HADES are presented. The np reactions were isolated in dp collisions at 1.25 GeV/u using the Forward Wall hodoscope, which allowed to register spectator protons. The results for np -> pppi-, np -> nppi+pi- and np -> dpi+pi- channels are compared with OPE calculations. A reasonable agreement between experimental results and the predictions of the OPE+OBE model is observed.

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Taxonomy

TopicsHigh-Energy Particle Collisions Research · Particle accelerators and beam dynamics · Particle Detector Development and Performance