DOMINGO-PARDO, C.; ABBONDANNO, U.; AERTS, G.; ÁLVAREZ, H.; ALVAREZ-VELARDE, F.; ANDRIAMONJE, S.; ANDRZEJEWSKI, J.; ASSIMAKOPOULOS, P.; AUDOUIN, L.; BADUREK, G.; BAUMANN, P.; BECVAR, F.; BERTHOUMIEUX, E.; BISTERZO, S.; CALVIÑO, F.; CALVIANI, M.; CANO-OTT, D.; CAPOTE, R.; CARRAPICO, C.; CENNINI, P.; CHEPEL, V.; COLONNA, N.; CORTES, G.; COUTURE, A.; COX, J.; DAHLFORS, M.; DAVID, S.; DILLMANN, I.; DRIDI, W.; DURAN, I.; ELEFTHERIADIS, C.; EMBID-SEGURA, M.; FERRANT, L.; FERRARI, Anthony; FERREIRA-MARQUES, R.; FUJII, K.; FURMAN, W.; GALLINO, R.; GONCALVES, I.; GONZALEZ-ROMERO, E.; GRAMEGNA, F.; GUERRERO, C.; GUNSING, F.; HAAS, B.; HAIGHT, R.; HEIL, M.; HERRERA-MARTINEZ, A.; IGASHIRA, M.; JERICHA, E.; KADI, Y.; KÄPPELER, F.; KARADIMOS, D.; KARAMANIS, D.; KERVENO, M.; KOEHLER, P.; KOSSIONIDES, E.; KRTICKA, M.; LAMBOUDIS, C.; LEEB, H.; LINDOTE, A.; LOPES, I.; LOZANO, M.; LUKIC, S.; MARGANIEC, J.; MARRONE, S.; MASSIMI, C.; MASTINU, P.; MENGONI, A.; M MILAZZO, P.; MOSCONI, M.; NEVES, F.; OBERHUMMER, H.; O'BRIEN, S.; PANCIN, J.; PAPACHRISTODOULOU, C.; PAPADOPOULOS, C.; PARADELA, C.; PATRONIS, N.; PAVLIK, A.; PAVLOPOULOS, P.; PERROT, L.; T PIGNI, M.; PLAG, R.; PLOMPEN, A.; PLUKIS, A.; POCH, A.; PRETEL, C.; QUESADA, J.; RAUSCHER, T.; REIFARTH, R.; RUBBIA, C.; RUDOLF, G.; RULLHUSEN, P.; SALGADO, J.; SANTOS, C.; SARCHIAPONE, L.; SAVVIDIS, I.; STEPHAN, C.; TAGLIENTE, G.; L TAIN, J.; TASSAN-GOT, L.; TAVORA, L.; TERLIZZI, R.; VANNINI, G.; VAZ, P.; VENTURA, A.; VILLAMARIN, D.; C VINCENTE, M.; VLACHOUDIS, V.; VLASTOU, R.; VOSS, F.; WALTER, S.; WIESCHER, M.; WISSHAK, K.

doi:10.1088/0954-3899/35/1/014020

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DOMINGO-PARDO, C.

ABBONDANNO, U.

AERTS, G.
Département d'Astrophysique, de physique des Particules, de physique Nucléaire et de l'Instrumentation Associée [DAPNIA]

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Journal of Physics G: Nuclear and Particle Physics. 2008, vol. 35, p. 014020

IOP Publishing

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The neutron capture cross section of 206Pb has been measured at the CERN n\TOF spectrometer using a setup of two C6D6 detectors. In the energy interval from 1 eV to 600 keV the cross section is dominated by resonances, which were analyzed via the R-matrix analysis code SAMMY. In the relevant energy ranges for stellar nucleosynthesis, i.e., at thermal energies of kT = 8 keV and kT = 23 keV, the present Maxwellian average cross section differs by 20% and 9% from the recommended values of Bao et al respectively. From the new cross section the s-abundance of 206Pb could be reliably determined as 70(4)%. This result is of importance in order to test and constrain r-process abundance calculations in the actinide region, because the r-process portion of 206Pb is dominated by α-back decays of short-lived transbismuth isotopes.< Réduire

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The measurement of the 206Pbn, gamma cross section and stellar implications

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