Determination of the Neutron-Capture Rate of $^{17}$C for the R-process Nucleosynthesis
- Heine, M.
- Typel, S.
- Wu, M.-R.
- Adachi, T.
- Aksyutina, Y.
- Alcantara, J.
- Altstadt, S.
- Alvarez-Pol, H.
- Ashwood, N.
- Aumann, T.
- Avdeichikov, V.
- Barr, M.
- Beceiro-Novo, S.
- Bemmerer, D.
- Benlliure, J.
- Bertulani, C. A.
- Boretzky, K.
- Borge, M. J. G.
- Burgunder, G.
- Caamano, M.
- Caesar, C.
- Casarejos, E.
- Catford, W.
- Cederkäll, J.
- Chakraborty, S.
- Chartier, M.
- Chulkov, L. V.
- Cortina-Gil, D.
- Crespo, R.
- Pramanik, U. Datta
- Fernandez, P. Diaz
- Dillmann, I.
- Elekes, Z.
- Enders, J.
- Ershova, O.
- Estrade, A.
- Farinon, F.
- Fraile, L. M.
- Freer, M.
- Freudenberger, M.
- Fynbo, H. O. U.
- Galaviz, D.
- Geissel, H.
- Gernhäuser, R.
- Göbel, K.
- Golubev, P.
- Diaz, D. Gonzalez
- Hagdahl, J.
- Heftrich, T.
- Heil, M.
- Heinz, A.
- Henriques, A.
- Holl, M.
- Ickert, G.
- Ignatov, A.
- Jakobsson, B.
- Johansson, H. T.
- Jonson, B.
- Kalantar-Nayestanaki, N.
- Kanungo, R.
- Kelic-Heil, A.
- Knöbel, R.
- Kröll, T.
- Krücken, R.
- Kurcewicz, J.
- Kurz, N.
- Labiche, M.
- Langer, C.
- Bleis, T. Le
- Lemmon, R.
- Lepyoshkina, O.
- Lindberg, S.
- Machado, J.
- Marganiec, J.
- Martínez-Pinedo, G.
- Maroussov, V.
- Mostazo, M.
- Movsesyan, A.
- Najafi, A.
- Neff, T.
- Nilsson, T.
- Nociforo, C.
- Panin, V.
- Paschalis, S.
- Perea, A.
- Petri, M.
- Pietri, S.
- Plag, R.
- Prochazka, A.
- Rahaman, A.
- Rastrepina, G.
- Reifarth, R.
- Ribeiro, G.
- Ricciardi, M. V.
- Rigollet, C.
- Riisager, K.
- Röder, M.
- Rossi, D.
- del Rio, J. Sanchez
- Savran, D.
- Scheit, H.
- Simon, H.
- Sorlin, O.
- Stoica, V.
- Streicher, B.
- Taylor, J. T.
- Tengblad, O.
- Terashima, S.
- Thies, R.
- Togano, Y.
- Uberseder, E.
- van de Walle, J.
- Velho, P.
- Volkov, V.
- Wagner, A.
- Wamers, F.
- Weick, H.
- Weigand, M.
- Wheldon, C.
- Wilson, G.
- Wimmer, C.
- Winfield, J. S.
- Woods, P.
- Yakorev, D.
- Zhukov, M. V.
- Zilges, A.
- Zuber, K.
DOIAbstract
International audienceWith the R$^{3}$B-LAND setup at GSI we have measured exclusive relative-energy spectra of the Coulomb dissociation of $^{18}$C at a projectile energy around 425~AMeV on a lead target, which are needed to determine the radiative neutron-capture cross sections of $^{17}$C into the ground state of $^{18}$C. Those data have been used to constrain theoretical calculations for transitions populating excited states in $^{18}$C. This allowed to derive the astrophysical cross section $\sigma^{*}_{\mathrm{n}\gamma}$ accounting for the thermal population of $^{17}$C target states in astrophysical scenarios. The experimentally verified capture rate is significantly lower than those of previously obtained Hauser-Feshbach estimation...
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