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Search for eta-mesic He-4 with the WASA-at-COSY detector

Adlarson, Patrik (author)
Uppsala universitet,Kärnfysik
Augustyniak, W. (author)
Bardan, W. (author)
show more...
Bashkanov, M. (author)
Bednarski, T. (author)
Bergmann, F. S. (author)
Berlowski, M. (author)
Bhatt, H. (author)
Buescher, M. (author)
Calén, Hans (author)
Uppsala universitet,Kärnfysik
Clement, H. (author)
Coderre, D. (author)
Czerwinski, E. (author)
Demmich, K. (author)
Doroshkevich, E. (author)
Engels, R. (author)
Erven, W. (author)
Eyrich, W. (author)
Fedorets, P. (author)
Foehl, K. (author)
Fransson, Kjell (author)
Uppsala universitet,Kärnfysik
Goldenbaum, F. (author)
Goslawski, P. (author)
Goswami, A. (author)
Grigoryev, K. (author)
Gullström, Carl-Oscar (author)
Uppsala universitet,Kärnfysik
Hauenstein, F. (author)
Heijkenskjöld, Lena (author)
Uppsala universitet,Kärnfysik
Hejny, V. (author)
Hinterberger, F. (author)
Hodana, M. (author)
Hoistad, Bo (author)
Uppsala universitet,Kärnfysik
Jany, A. (author)
Jany, B. R. (author)
Jarczyk, L. (author)
Johansson, Tord (author)
Uppsala universitet,Kärnfysik
Kamys, B. (author)
Kemmerling, G. (author)
Khan, F. A. (author)
Khoukaz, A. (author)
Kistryn, S. (author)
Klaja, J. (author)
Kleines, H. (author)
Uppsala universitet,Kärnfysik
Klos, B. (author)
Krapp, M. (author)
Krzemien, W. (author)
Kulessa, P. (author)
Kupsc, Andrzej (author)
Uppsala universitet,Kärnfysik
Lalwani, K. (author)
Lersch, D. (author)
Li, L. (author)
Lorentz, B. (author)
Magiera, A. (author)
Maier, R. (author)
Marciniewski, Pawel (author)
Uppsala universitet,Kärnfysik
Marianski, B. (author)
Mikirtychiants, M. (author)
Morsch, H. -P (author)
Moskal, P. (author)
Nandi, B. K. (author)
Niedzwiecki, S. (author)
Ohm, H. (author)
Ozerianska, I. (author)
del Rio, E. Perez (author)
Plucinski, P. (author)
Uppsala universitet,Kärnfysik
Podkopal, P. (author)
Prasuhn, D. (author)
Pricking, A. (author)
Pszczel, Damian (author)
Uppsala universitet,Kärnfysik
Pysz, K. (author)
Pyszniak, Andrzej (author)
Uppsala universitet,Kärnfysik
Redmer, C. F. (author)
Uppsala universitet,Kärnfysik
Ritman, J. (author)
Roy, A. (author)
Rudy, Z. (author)
Sawant, S. (author)
Schadmand, S. (author)
Schmidt, A. (author)
Sefzick, T. (author)
Serdyuk, V. (author)
Shah, N. (author)
Siemaszko, M. (author)
Siudak, R. (author)
Skorodko, T. (author)
Skurzok, M. (author)
Smyrski, J. (author)
Sopov, V. (author)
Stassen, R. (author)
Stepaniak, J. (author)
Stephan, E. (author)
Sterzenbach, G. (author)
Stockhorst, H. (author)
Stroeher, H. (author)
Szczurek, A. (author)
Tolba, T. (author)
Trzcinski, A. (author)
Varma, R. (author)
Vlasov, P. (author)
Wagner, G. J. (author)
Weglorz, W. (author)
Wolke, Magnus (author)
Uppsala universitet,Kärnfysik
Wronska, A. (author)
Wuestner, P. (author)
Wurm, P. (author)
Yamamoto, A. (author)
Yuan, X. (author)
Yurev, L. (author)
Zabierowski, J. (author)
Zheng, C. (author)
Zielinski, M. J. (author)
Zipper, W. (author)
Zlomanczuk, Jozef (author)
Uppsala universitet,Kärnfysik
Zupranski, P. (author)
Zurek, M. (author)
show less...
 (creator_code:org_t)
2013
2013
English.
In: Physical Review C. Nuclear Physics. - 0556-2813 .- 1089-490X. ; 87:3, s. 035204-
  • Journal article (peer-reviewed)
Abstract Subject headings
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  • An exclusive measurement of the excitation function for the dd -> (3)Hep pi(-) reaction was performed at the Cooler Synchrotron COSY-Julich with the WASA-at-COSY detection system. The data were taken during a slow acceleration of the beam from 2.185 to 2.400 GeV/c crossing the kinematic threshold for the eta-meson production in the dd -> He-4 eta reaction at 2.336 GeV/c. The corresponding excess energy with respect to the He-4-eta system varied from -51.4 to 22 MeV. The integrated luminosity in the experiment was determined using the dd -> (3)Hen reaction. The shape of the excitation function for the dd -> (3)Hep pi(-) reaction was examined. No signal of the He-4-eta bound state was observed. An upper limit for the cross section for the bound state formation and decay in the process dd -> (He-4-eta)(bound) -> (3)Hep pi(-) was determined on the 90% confidence level and it varies from 20 to 27 nb for the bound state width ranging from 5 to 35 MeV, respectively. 

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By the author/editor
Adlarson, Patrik
Augustyniak, W.
Bardan, W.
Bashkanov, M.
Bednarski, T.
Bergmann, F. S.
show more...
Berlowski, M.
Bhatt, H.
Buescher, M.
Calén, Hans
Clement, H.
Coderre, D.
Czerwinski, E.
Demmich, K.
Doroshkevich, E.
Engels, R.
Erven, W.
Eyrich, W.
Fedorets, P.
Foehl, K.
Fransson, Kjell
Goldenbaum, F.
Goslawski, P.
Goswami, A.
Grigoryev, K.
Gullström, Carl- ...
Hauenstein, F.
Heijkenskjöld, L ...
Hejny, V.
Hinterberger, F.
Hodana, M.
Hoistad, Bo
Jany, A.
Jany, B. R.
Jarczyk, L.
Johansson, Tord
Kamys, B.
Kemmerling, G.
Khan, F. A.
Khoukaz, A.
Kistryn, S.
Klaja, J.
Kleines, H.
Klos, B.
Krapp, M.
Krzemien, W.
Kulessa, P.
Kupsc, Andrzej
Lalwani, K.
Lersch, D.
Li, L.
Lorentz, B.
Magiera, A.
Maier, R.
Marciniewski, Pa ...
Marianski, B.
Mikirtychiants, ...
Morsch, H. -P
Moskal, P.
Nandi, B. K.
Niedzwiecki, S.
Ohm, H.
Ozerianska, I.
del Rio, E. Pere ...
Plucinski, P.
Podkopal, P.
Prasuhn, D.
Pricking, A.
Pszczel, Damian
Pysz, K.
Pyszniak, Andrze ...
Redmer, C. F.
Ritman, J.
Roy, A.
Rudy, Z.
Sawant, S.
Schadmand, S.
Schmidt, A.
Sefzick, T.
Serdyuk, V.
Shah, N.
Siemaszko, M.
Siudak, R.
Skorodko, T.
Skurzok, M.
Smyrski, J.
Sopov, V.
Stassen, R.
Stepaniak, J.
Stephan, E.
Sterzenbach, G.
Stockhorst, H.
Stroeher, H.
Szczurek, A.
Tolba, T.
Trzcinski, A.
Varma, R.
Vlasov, P.
Wagner, G. J.
Weglorz, W.
Wolke, Magnus
Wronska, A.
Wuestner, P.
Wurm, P.
Yamamoto, A.
Yuan, X.
Yurev, L.
Zabierowski, J.
Zheng, C.
Zielinski, M. J.
Zipper, W.
Zlomanczuk, Joze ...
Zupranski, P.
Zurek, M.
show less...
Articles in the publication
Physical Review ...
By the university
Uppsala University

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