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Title: Vector and tensor analyzing powers in deuteron-proton breakup
Authors: Stephan, Elżbieta
Kistryn, S.
Kalantar-Nayestanaki, N.
Biegun, A.
Bodek, K.
Ciepał, I.
Deltuva, A.
Eslami-Kalantari, M.
Fonseca, A. C.
Gasparic, I.
Golak, J.
Jamróz, B.
Joulaeizadeh, L.
Kamada, H.
Kis, M.
Kłos, Barbara
Kozela, A.
Mahjour-Shafiei, M.
Mardanpour, H.
Messchendorp, J.
Micherdzińska, A.
Moeini, H.
Nogga, A.
Ramazani-Moghaddam-Arani, A.
Skibiński, R.
Sworst, R.
Witała, H.
Zejma, J.
Keywords: Three nucleon (3N); Interactions between nucleons
Issue Date: 2011
Citation: "Few-Body Systems" Vol. 50, no. 1-4 (2011), s. 283-285
Abstract: High precision data for vector and tensor analyzing powers of the 1H( d, pp)n breakup reaction at 130 and 100 MeV deuteron beam energies have been measured in a large fraction of the phase space. They are compared to the theoretical predictions based on various approaches to describe the three nucleon (3N) system dynamics. Theoretical predictions describe very well the vector analyzing power data, with no need to include any three-nucleon force effects for these observables. Tensor analyzing powers can be also very well reproduced by calculations in most of the studied region, but locally certain discrepancies are observed. At 130 MeV for Axy such discrepancies usually appear, or are enhanced, when model 3N forces are included. Predicted effects of 3NFs are much lower at 100 MeV and at this energy equally good consistency between the data and the calculations is obtained with or without 3NFs.
Description: Presented at the 21st European Conference on Few-Body Problems in Physics, Salamanca, Spain, 30 August–3 September 2010. 2010. This work was partially supported by the Polish 2009–2011 science founds as a research project No. N N202 034836.
DOI: 10.1007/s00601-010-0182-9
ISSN: 0177-7963
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