Investigation of the dd\rightarrow $^{3}Hen\pi ^{0}$ reaction with the FZ Jülich WASA-at-COSY facility

doi:10.1103/PhysRevC.88.014004

Investigation of the dd\rightarrow $^{3}Hen\pi ^{0}$ reaction with the FZ Jülich WASA-at-COSY facility

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Investigation of the dd\rightarrow $^{3}Hen\pi ^{0}$ reaction with the FZ Jülich WASA-at-COSY facility

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punktacja MNiSW [2013 A]: 45

title:	Investigation of the dd\rightarrow $^{3}Hen\pi ^{0}$ reaction with the FZ Jülich WASA-at-COSY facility
author:	Adlarson P., Augustyniak W., Bardan Wiktor , Bashkanov M., Berłowski M., Bhatt H., Büscher M., Ciepał Izabela , Clement H., Coderre D., Czerwiński Eryk , Demmich K., Doroshkevich E., Engels R., Erven W., Fedorets P., Föhl K., Fransson K., Goslawski P., Goswami A., Grigoryev K., Hanhart C., Hauenstein F., Heijkenskjöld L., Hejny V., Hinterberger F., Hodana M., Höistad B., Jany Benedykt , Jarczyk Lucjan , Johansson T., Kamys Bogusław , Khan F. A., Khoukaz A., Kirillov D. A., Klaja Joanna, Kleines H., Kłos B., Krapp M., Kulessa P., Kupść A., Lalwani K., Li L., Lorentz B., Magiera Andrzej , Maier R., Mariański B., Mikirtychiants M., Morsch H.-P., Moskal Paweł , Nandi B. K., Ohm H., Schätti - Ozerianska Iryna , Piskunov N. M., Pluciński P., Podkopał Paweł, Pricking A., Pszczel D., Pysz K., Redmer C. F., Ritman J., Roy A., Rudy Zbigniew , Schmidt A., Schadmand S., Sefzick T., Shah N., Siemaszko M., Siudak R., Skorodko T., Skurzok Magdalena , Smyrski Jerzy , Sopov V., Stassen R., Stephan E., Sterzenbach G., Stockhorst H., Szczurek A., Tolba T., Trzciński A., VarmaR., Wagner G. J., Węglorz W., Wolke M., Wrońska Aleksandra , Wurm P., Yamamoto A., Yuan X., ZabierowskiJ., Zheng C., Zieliński Marcin , Zipper W., Złomańczuk J., Żurek M., Bergmann F. S., Calén Hans, Goldenbaum F., Eyrich W., Gullström C.-O., Jany Anna , Kemmerling G., Kistryn Stanisław , Krzemień Wojciech , Lersch D., Marciniewski P., Rio E. Perez del, Prasuhn D., Pyszniak Andrzej , Sawant S., Serdyuk V., Stepaniak J., Ströher H., Wüstner P., Żuprański P.
journal title:	Physical Review. C, Nuclear Physics
volume:	88
issue:	1
date of publication :	2013
article ID:	014004
ISSN:	0556-2813
eISSN:	1089-490X 1538-4497
DOI:	10.1103/PhysRevC.88.014004
notes:	Autorka Iryna Schätti - Ozerianska podpisana jako: Iryna Ozerianska.
language:	English
journal language:	English
abstract in English:	An exclusive measurement of the dd\rightarrow $^{3}Hen\pi^{0}$ eaction was carried out at a beam momentum of $p_{d}$=1.2 GeV/c using the WASA-at-COSY facility. Information on the total cross section as well as differential distributions was obtained. The data are described by a phenomenological approach based on a combination of a quasifree model and a partial wave expansion for the three-body reaction. The total cross section is found to be $\sigma _{tot}= \left ( 2.89\pm 0.01_{stat}\pm 0.06_{sys}\pm 0.29_{norm} \right )\mu b$. The contribution of the quasifree processes (with the beam or target neutron being a spectator) accounts for 38% of the total cross section and dominates the differential distributions in specific regions of phase space. The remaining part of the cross section can be described by a partial wave decomposition indicating the significance of p-wave contributions in the final state.
number of pulisher's sheets:	0,5
affiliation:	Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
type:	journal article
subtype:	academic paper

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