Charge symmetry breaking in dd -> He-4 pi(0) with WASA-at-COSY
- Adlarson, Patrik
- Augustyniak, W.
- Bardan, W.
- Bashkanov, M.
- Bergmann, F. S.
- Berlowski, M.
- Bhatt, H.
- Bondar, A.
- Buescher, M.
- Calén, Hans
- Ciepal, I.
- Clement, H.
- Coderre, D.
- Czerwinski, E.
- Demmich, K.
- Doroshkevich, E.
- Engels, R.
- Erven, A.
- Erven, W.
- Eyrich, W.
- Fedorets, P.
- Foehl, K.
- Fransson, Kjell E. I.
- Goldenbaum, F.
- Goslawski, P.
- Goswami, A.
- Grigoryev, K.
- Gullström, Carl-Oscar
- Hanhart, C.
- Hauenstein, F.
- Heijkenskjöld, Lena
- Hejny, V.
- Höistad, Bo
- Huesken, N.
- Jarczyk, L.
- Johansson, Tord
- Kamys, B.
- Kemmerling, G.
- Khan, F. A.
- Khoukaz, A.
- Kirillov, D. A.
- Kistryn, S.
- Kleines, H.
- Klos, B.
- Krzemien, W.
- Kulessa, P.
- Kupsc, Andrzej
- Kuzmin, A.
- Lalwani, K.
- Lersch, D.
- Lorentz, B.
- Magiera, A.
- Maier, R.
- Marciniewski, Pawel
- Marianski, B.
- Mikirtychiants, M.
- Morsch, H. -P
- Moskal, P.
- Ohm, H.
- Ozerianska, I.
- del Rio, E. Perez
- Piskunov, N. M.
- Podkopal, P.
- Prasuhn, D.
- Pricking, A.
- Pszczel, Damian
- Pyszw, K.
- Pyszniak, Andrzej
- Redmer, C. F.
- Ritman, J.
- Roy, A.
- Rudy, Z.
- Sawant, S.
- Schadmand, S.
- Sefzick, T.
- Serdyuk, V.
- Shwartz, B.
- Siudak, R.
- Skorodko, T.
- Skurzok, M.
- Smyrski, J.
- Sopov, V.
- Stassen, R.
- Stepaniak, J.
- Stephan, E.
- Sterzenbach, G.
- Stockhorst, H.
- Stroher, H.
- Szczurek, A.
- Taschner, A.
- Trzcinski, A.
- Varma, R.
- Wolke, Magnus
- Wronska, A.
- Wustner, P.
- Wurm, P.
- Yamamoto, A.
- Yurev, L.
- Zabierowski, J.
- Zielinski, M. J.
- Zink, A.
- Zlomanczuk, Jozef
- Zupranski, P.
- Zurek, M.
DOIAbstract
Charge symmetry breaking (CSB) observables are a suitable experimental tool to examine effects induced by quark masses on the nuclear level. Previous high precision data from TRIUMF and IUCF are currently used to develop a consistent description of CSB within the framework of chiral perturbation theory. In this work the experimental studies on the reaction dd -> He-4 pi(0) have been extended towards higher excess energies in order to provide information on the contribution of p-waves in the final state. For this, an exclusive measurement has been carried out at a beam momentum of p(d) = 1.2GeV/c using the WASA-at-COSY facility. The total cross section amounts to sigma(tot) =(118 +/- 18(stat) +/- 13(sys) +/- 8(ext)) p band first data on t...
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