Diverse mechanisms in proton knockout reactions from the Borromean nucleus Ne-17
- Wamers, F.
- Lehr, C.
- Marganiec-Galazka, J.
- Aksouh, F.
- Aksyutina, Yu.
- Alvarez-Pol, H.
- Atar, L.
- Aumann, T.
- Beceiro-Novo, S.
- Bertulani, C. A.
- Boretzky, K.
- Borge, M. J. G.
- Caesar, C.
- Chartier, M.
- Chatillon, A.
- Chulkov, L. V.
- Cortina-Gil, D.
- Fernandez, P. Diaz
- Emling, H.
- Ershova, O.
- Fraile, L. M.
- Fynbo, H. O. U.
- Galaviz, D.
- Geissel, H.
- Heil, M.
- Holl, M.
- Johansson, H. T.
- Jonson, B.
- Karagiannis, C.
- Kiselev, O. A.
- Kratz, J. V.
- Kulessa, R.
- Kurz, N.
- Langer, C.
- Lantz, Mattias
- Le Bleis, T.
- Lemmon, R.
- Litvinov, Yu. A.
- Mahata, K.
- Muentz, C.
- Nilsson, T.
- Nociforo, C.
- Ott, W.
- Panin, V.
- Paschalis, S.
- Perea, A.
- Plag, R.
- Reifarth, R.
- Richter, A.
- Riisager, K.
- Rodriguez-Tajes, C.
- Rossi, D.
- Savran, D.
- Scheit, H.
- Schrieder, G.
- Schrock, P.
- Simon, H.
- Stroth, J.
- Suemmerer, K.
- Tengblad, O.
- Weick, H.
- Wimmer, C.
DOIAbstract
Nucleon knockout experiments using beryllium or carbon targets reveal a strong dependence of the quenching factors, i.e., the ratio (Rs) of theoretical to the experimental spectroscopic factors (C2S), on the proton-neutron asymmetry in the nucleus under study. However, this dependence is greatly reduced when a hydrogen target is used. To understand this phenomenon, exclusive H-1(Ne-17, 2p F-16) and inclusive C-12(Ne-17, 2p 1(6)F)X, 1(2)C(Ne-17, F-16)X as well as 1H(Ne-17,(16) F)X(X-denotes undetected reaction products) reactions with F-16 in the ground and excited states were anal- ysed. The longitudinal momentum distribution of F-16 and the correlations between the detached protons were studied. In the case of the carbon target, there is a...
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