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Isoscalar single-pion production in the region of Roper and d*(2380) resonances
- Adlarson, Patrik (author)
- Augustyniak, W. (author)
- Bardan, W. (author)
- show more...
- Bashkanov, M. (author)
- Bergmann, F. S. (author)
- Berlowski, M. (author)
- Bhatt, H. (author)
- Bondar, A. (author)
- Buescher, M. (author)
- Calen, H. (author)
- Ciepal, I. (author)
- Clement, H. (author)
- Czerwinski, E. (author)
- Demmich, K. (author)
- Engels, R. (author)
- Erven, A. (author)
- Erven, W. (author)
- Eyrich, W. (author)
- Fedorets, P. (author)
- Foehl, K. (author)
- Fransson, Kjell (author)
- Goldenbaum, F. (author)
- Goswami, A. (author)
- Grigoryev, K. (author)
- Gullström, Carl-Oskar (author)
- Heijkenskjöld, Lena 1985- (author)
- Hejny, V. (author)
- Huesken, N. (author)
- Jarczyk, L. (author)
- Johansson, Tord (author)
- Kamys, B. (author)
- Kemmerling, G. (author)
- Khatri, G. (author)
- Khoukaz, A. (author)
- Khreptak, O. (author)
- Kirillov, D. A. (author)
- Kistryn, S. (author)
- Kleines, H. (author)
- Klos, B. (author)
- Krzemien, W. (author)
- Kulessa, P. (author)
- Kupsc, Andrzej (author)
- Kuzmin, A. (author)
- Lalwani, K. (author)
- Lersch, D. (author)
- Lorentz, B. (author)
- Magiera, A. (author)
- Maier, R. (author)
- Marciniewski, Pawel (author)
- Marianski, B. (author)
- Morsch, H. -P (author)
- Moskal, P. (author)
- Ohm, H. (author)
- Parol, W. (author)
- del Rio, E. Perez (author)
- Piskunov, N. M. (author)
- Prasuhn, D. (author)
- Pszczel, Damian (author)
- Pysz, K. (author)
- Pyszniak, A. (author)
- Ritman, J. (author)
- Roy, A. (author)
- Rudy, Z. (author)
- Rundel, O. (author)
- Sawant, S. (author)
- Schadmand, S. (author)
- Schatti-Ozerianska, I. (author)
- Sefzick, T. (author)
- Serdyuk, V. (author)
- Shwartz, B. (author)
- Sitterberg, K. (author)
- Skorodko, T. (author)
- Skurzok, M. (author)
- Smyrski, J. (author)
- Sopov, V. (author)
- Stassen, R. (author)
- Stepaniak, J. (author)
- Stephan, E. u (author)
- Sterzenbach, G. (author)
- Stockhorst, H. (author)
- Stroeher, H. (author)
- Szczurek, A. (author)
- Trzcinski, A. (author)
- Varma, R. (author)
- Wolke, Magnus (author)
- Wronska, A. (author)
- Wuestner, P. (author)
- Yamamoto, A. (author)
- Zabierowski, J. (author)
- Zielinski, M. J. (author)
- Zlomanczuk, Jozef (author)
- Zupranski, P. (author)
- Zurekj, M. (author)
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- (publisher)
- ELSEVIER SCIENCE BV 2017
- 2017
- English.
- In: Physics Letters B. - 0370-2693. ; 774, 599-607
- swepub:Mat__t
Abstract
Subject headings
Close
- Exclusive measurements of the quasi-free pn -> pp pi(-) and pp -> pp pi(0) reactions have been performed by means of pd collisions at T-p= 1.2 GeV using the WASA detector setup at COSY. Total and differential cross sections have been obtained covering the energy region T-p= 0.95-1.3 GeV (root s = 2.3-2.46 GeV), which includes the regions of triangle(1232), N*(1440) and d*(2380) resonance excitations. From these measurements the isoscalar single-pion production has been extracted, for which data existed so far only below T-p = 1 GeV. We observe a substantial increase of this cross section around 1 GeV, which can be related to the Roper resonance N*(1440), the strength of which shows up isolated from the triangle resonance in the isoscalar (N pi)(I=0) invariant-mass spectrum. No evidence for a decay of the dibaryon resonance d*(2380) into the isoscalar (NN pi)(I=0) channel is found. An upper limit of 180 mu b (90% CL.) corresponding to a branching ratio of 9% has been deduced.
Subject headings
- Natural Sciences (hsv)
- Physical Sciences (hsv)
- Astronomy, Astrophysics and Cosmology (hsv)
- Naturvetenskap (hsv)
- Fysik (hsv)
- Astronomi, astrofysik och kosmologi (hsv)
Keyword
- Single-pion production
- Isoscalar part
- Roper resonance
- Dibaryon resonance
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- By the author/editor
- Adlarson, Patrik
- Augustyniak, W.
- Bardan, W.
- Bashkanov, M.
- Bergmann, F. S.
- Berlowski, M.
- show more...
- Bhatt, H.
- Bondar, A.
- Buescher, M.
- Calen, H.
- 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.
- Gullström, Carl- ...
- Heijkenskjöld, L ...
- Hejny, V.
- Huesken, N.
- Jarczyk, L.
- Johansson, Tord
- Kamys, B.
- Kemmerling, G.
- Khatri, G.
- Khoukaz, A.
- Khreptak, O.
- 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, Pa ...
- Marianski, B.
- Morsch, H. -P
- Moskal, P.
- Ohm, H.
- Parol, W.
- del Rio, E. Pere ...
- Piskunov, N. M.
- Prasuhn, D.
- Pszczel, Damian
- Pysz, K.
- Pyszniak, A.
- Ritman, J.
- Roy, A.
- Rudy, Z.
- Rundel, O.
- Sawant, S.
- Schadmand, S.
- Schatti-Ozerians ...
- Sefzick, T.
- Serdyuk, V.
- Shwartz, B.
- Sitterberg, K.
- Skorodko, T.
- Skurzok, M.
- Smyrski, J.
- Sopov, V.
- Stassen, R.
- Stepaniak, J.
- Stephan, E. u
- Sterzenbach, G.
- Stockhorst, H.
- Stroeher, H.
- Szczurek, A.
- Trzcinski, A.
- Varma, R.
- Wolke, Magnus
- Wronska, A.
- Wuestner, P.
- Yamamoto, A.
- Zabierowski, J.
- Zielinski, M. J.
- Zlomanczuk, Joze ...
- Zupranski, P.
- Zurekj, M.
- show less...
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