Details

Autor(en) / Beteiligte

• Adlarson, Patrik
• Augustyniak, W.
• Bardan, W.
• Bashkanov, M.
• Bergmann, F. S.
• Berlowski, M.
• Bondar, A.
• Buescher, M.
• Calén, Hans
• Ciepal, I.
• Clement, H.
• Czerwinski, E.
• Demmich, K.
• Engels, R.
• Erven, A.
• Erven, W.
• Eyrich, W.
• Fedorets, P.
• Foehl, K.
• Fransson, Kjell
• Goldenbaum, F.
• Goswami, A.
• Grigoryev, K.
• Heijkenskjöld, Lena
• Hejny, V.
• Huesken, N.
• Jarczyk, L.
• Johansson, Tord
• Kamys, B.
• Kemmerling, G.
• Khoukaz, A.
• Khreptak, O.
• Kirillov, D. A.
• Kistryn, S.
• Kleines, H.
• Klos, B.
• Krzemien, W.
• Kulessa, P.
• Kupsc, Andrzej
• Lalwani, K.
• Lersch, D.
• Lorentz, B.
• Magiera, A.
• Maier, R.
• Marciniewski, Pawel
• Marianski, B.
• Morsch, H. -P
• Moskal, P.
• Ohm, H.
• Parol, W.
• del Rio, E. Perez
• Piskunov, N. M.
• Prasuhn, D.
• Pszczel, Damian
• Pysz, K.
• Ritman, J.
• Roy, A.
• Rudy, Z.
• Rundel, O.
• Sawant, S.
• Schadmand, S.
• Schatti-Ozerianska, I.
• Sefzick, T.
• Serdyuk, V.
• Shwartz, B.
• Skorodko, T.
• Skurzok, M.
• Smyrski, J.
• Sopov, V.
• Stassen, R.
• Stepaniak, J.
• Stephan, E.
• Sterzenbach, G.
• Stockhorst, H.
• Stroeher, H.
• Szczurek, A.
• Trzcinski, A.
• Wolke, Magnus
• Wronska, A.
• Wuestner, P.
• Yamamoto, A.
• Zabierowski, J.
• Zielinski, M. J.
• Zlomanczuk, Jozef
• Zupranski, P.
• Zurek, M.

Titel

Examination of the production of an isotensor dibaryon in the pp -> pp pi(+)pi(-) reaction

Ist Teil von

• Physical review. C, 2019, Vol.99 (2)

Erscheinungsjahr

2019

Quelle

Alma/SFX Local Collection

Beschreibungen/Notizen

• The quasifree pp -> pp pi(+)pi(-) reaction has been measured by means of pd collisions at T-p = 1.2 GeV using the WASA detector setup at COSY enabling exclusive and kinematically complete measurements. Total and differential cross sections have been extracted for the energy region T-p = 1.08-1.36 GeV (root s = 2.35-2.46 GeV) covering thus the regions of N* (1440 ) and Delta(1232)Delta(1232) resonance excitations. Calculations describing these excitations by t-channel meson exchange as well as isospin relations based on the pp -> pp pi(0)pi(0) data underpredict substantially the measured total cross section. The calculations are also at variance with specific experimental differential cross sections. An isotensor Delta N dibaryon resonance with I(J(P)) = 2(1(+) ) produced associatedly with a pion is able to overcome these deficiencies. Such a dibaryon was predicted by Dyson and Xuong [Phys. Rev. Lett. 13, 815 (1964)] and more recently calculated by A. Gal and H. Garcilazo [Nucl. Phys. A 928, 73 (2014)].