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First Measurement of the $^{96}$Ru(p,$γ$)$^{97}$Rh Cross Section for the p-Process with a Storage Ring

Mei, B, Aumann, T, Bishop, S, Blaum, K, Boretzky, K, Bosch, F, Brandau, C, Bräuning, H, Davinson, T, Dillmann, I , Dimopoulou, C, Ershova, O, Fülöp, Z, Geissel, H, Glorius, J, Gyürky, G, Heil, M, Käppeler, F, Kelic-Heil, A, Kozhuharov, C, Langer, C, Bleis, TL, Litvinov, Y, Lotay, G, Marganiec, J, Münzenberg, G, Nolden, F, Petridis, N, Plag, R, Popp, U, Rastrepina, G, Reifarth, R, Riese, B, Rigollet, C, Scheidenberger, C, Simon, H, Sonnabend, K, Steck, M, Stöhlke, T, Szücs, T, Sümmerer, K, Weber, G, Weick, H, Winters, D, Winters, N, Woods, P and Zhong, Q (2015) First Measurement of the $^{96}$Ru(p,$γ$)$^{97}$Rh Cross Section for the p-Process with a Storage Ring Phys. Rev. C, 92.

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Abstract

This work presents a direct measurement of the $^{96}$Ru($p, \gamma$)$^{97}$Rh cross section via a novel technique using a storage ring, which opens opportunities for reaction measurements on unstable nuclei. A proof-of-principle experiment was performed at the storage ring ESR at GSI in Darmstadt, where circulating $^{96}$Ru ions interacted repeatedly with a hydrogen target. The $^{96}$Ru($p, \gamma$)$^{97}$Rh cross section between 9 and 11 MeV has been determined using two independent normalization methods. As key ingredients in Hauser-Feshbach calculations, the $\gamma$-ray strength function as well as the level density model can be pinned down with the measured ($p, \gamma$) cross section. Furthermore, the proton optical potential can be optimized after the uncertainties from the $\gamma$-ray strength function and the level density have been removed. As a result, a constrained $^{96}$Ru($p, \gamma$)$^{97}$Rh reaction rate over a wide temperature range is recommended for $p$-process network calculations.

Item Type: Article
Authors :
NameEmailORCID
Mei, BUNSPECIFIEDUNSPECIFIED
Aumann, TUNSPECIFIEDUNSPECIFIED
Bishop, SUNSPECIFIEDUNSPECIFIED
Blaum, KUNSPECIFIEDUNSPECIFIED
Boretzky, KUNSPECIFIEDUNSPECIFIED
Bosch, FUNSPECIFIEDUNSPECIFIED
Brandau, CUNSPECIFIEDUNSPECIFIED
Bräuning, HUNSPECIFIEDUNSPECIFIED
Davinson, TUNSPECIFIEDUNSPECIFIED
Dillmann, IUNSPECIFIEDUNSPECIFIED
Dimopoulou, CUNSPECIFIEDUNSPECIFIED
Ershova, OUNSPECIFIEDUNSPECIFIED
Fülöp, ZUNSPECIFIEDUNSPECIFIED
Geissel, HUNSPECIFIEDUNSPECIFIED
Glorius, JUNSPECIFIEDUNSPECIFIED
Gyürky, GUNSPECIFIEDUNSPECIFIED
Heil, MUNSPECIFIEDUNSPECIFIED
Käppeler, FUNSPECIFIEDUNSPECIFIED
Kelic-Heil, AUNSPECIFIEDUNSPECIFIED
Kozhuharov, CUNSPECIFIEDUNSPECIFIED
Langer, CUNSPECIFIEDUNSPECIFIED
Bleis, TLUNSPECIFIEDUNSPECIFIED
Litvinov, YUNSPECIFIEDUNSPECIFIED
Lotay, Gg.lotay@surrey.ac.ukUNSPECIFIED
Marganiec, JUNSPECIFIEDUNSPECIFIED
Münzenberg, GUNSPECIFIEDUNSPECIFIED
Nolden, FUNSPECIFIEDUNSPECIFIED
Petridis, NUNSPECIFIEDUNSPECIFIED
Plag, RUNSPECIFIEDUNSPECIFIED
Popp, UUNSPECIFIEDUNSPECIFIED
Rastrepina, GUNSPECIFIEDUNSPECIFIED
Reifarth, RUNSPECIFIEDUNSPECIFIED
Riese, BUNSPECIFIEDUNSPECIFIED
Rigollet, CUNSPECIFIEDUNSPECIFIED
Scheidenberger, CUNSPECIFIEDUNSPECIFIED
Simon, HUNSPECIFIEDUNSPECIFIED
Sonnabend, KUNSPECIFIEDUNSPECIFIED
Steck, MUNSPECIFIEDUNSPECIFIED
Stöhlke, TUNSPECIFIEDUNSPECIFIED
Szücs, TUNSPECIFIEDUNSPECIFIED
Sümmerer, KUNSPECIFIEDUNSPECIFIED
Weber, GUNSPECIFIEDUNSPECIFIED
Weick, HUNSPECIFIEDUNSPECIFIED
Winters, DUNSPECIFIEDUNSPECIFIED
Winters, NUNSPECIFIEDUNSPECIFIED
Woods, PUNSPECIFIEDUNSPECIFIED
Zhong, QUNSPECIFIEDUNSPECIFIED
Date : 10 July 2015
Identification Number : 10.1103/PhysRevC.92.035803
Uncontrolled Keywords : nucl-ex, nucl-ex, astro-ph.IM
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:40
Last Modified : 17 May 2017 15:12
URI: http://epubs.surrey.ac.uk/id/eprint/840070

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