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The measurement of the ²⁰⁶Pb (n, γ) cross section and stellar implications

Domingo-Pardo, C. and Abbondanno, U. and Aerts, G. and Alvarez, H. and Alvarez-Velarde, F. and Andriamonje, S. and Andrzejewski, J. and Assimakopoulos, P. and Audouin, L. and Badurek, G. and Baumann, P. and Becvar, F. and Berthoumieux, E. and Bisterzo, S. and Calvino, F. and Calviani, M. and Cano-Ott, D. and Capote, R. and Carrapico, C. and Cennini, P. and Chepel, V. and Colonna, N. and Cortes, G. and Couture, A. and Cox, J. and Dahlfors, M. and David, S. and Dillmann, I. and Dridi, W. and Duran, I. and Eleftheriadis, C. and Embid-Segura, M. and Ferrant, L. and Ferrari, A. and Ferreira-Marques, R. and Fujii, K. and Furman, W. and Gallino, R. and Goncalves, I. and Gonzalez-Romero, E. and Gramegna, F. and Guerrero, C. and Gunsing, F. and Haas, B. and Haight, R. and Heil, M. and Herrera-Martinez, A. and Igashira, M. and Jericha, E. and Kadi, Y. and Kaeppeler, F. and Karadimos, D. and Karamanis, D. and Kerveno, M. and Koehler, P. and Kossionides, E. and Krticka, M. and Lamboudis, C. and Leeb, H. and Lindote, A. and Lopes, I. and Lozano, M. and Lukic, S. and Marganiec, J. and Marrone, S. and Massimi, C. and Mastinu, P. and Mengoni, A. and Milazzo, P. M. and Mosconi, M. and Neves, F. and Oberhummer, H. and O'Brien, S. and Pancin, J. and Papachristodoulou, C. and Papadopoulos, C. and Paradela, C. and Patronis, N. and Pavlik, A. and Pavlopoulos, P. and Perrot, L. and Pigni, M. T. and Plag, R. and Plompen, A. and Plukis, A. and Poch, A. and Pretel, C. and Quesada, J. and Rauscher, T. and Reifarth, R. and Rubbia, C. and Rudolf, G. and Rullhusen, P. and Salgado, J. and Santos, C. and Sarchiapone, L. and Savvidis, I. and Stephan, C. and Tagliente, G. and Tain, J. L. and Tassan-Got, L. and Tavora, L. and Terlizzi, R. and Vannini, G. and Vaz, P. and Ventura, A. and Villamarin, D. and Vincente, M. C. and Vlachoudis, V. and Vlastou, R. and Voss, F. and Walter, S. and Wiescher, M. and Wisshak, K.. (2008) The measurement of the ²⁰⁶Pb (n, γ) cross section and stellar implications. Journal of physics. G, Nuclear and particle physics, Vol. 35, H. 1 , 014020, 6 S..

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Official URL: http://edoc.unibas.ch/dok/A5253876

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Abstract

The neutron capture cross section of Pb-206 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 values of Bao et al respectively. From the new cross section the s-abundance of Pb-206 could be reliably determined as 70( 4) result is of importance in order to test and constrain r-process abundance calculations in the actinide region, because the r-process portion of Pb-206 is dominated by alpha-back decays of short-lived transbismuth isotopes.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:IOP Publ.
ISSN:0954-3899
Note:Variant title: >>The<< measurement of the ²⁰⁶Pb (n,gamma) cross section and stellar implications -- Publication type according to Uni Basel Research Database: Journal article
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Last Modified:04 Sep 2015 14:31
Deposited On:22 Mar 2012 13:54

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