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Measurement of ¹³⁹La(n, γ) cross section

Terlizzi, R. and Abbondanno, U. and Acrts, G. and Alvarez, H. and Alvarcz-Vclardc, F. and Andriamonjc, S. and Andrzcjcwski, J. and Assimakopoulos, P. and Audouin, L. and Badurek, G. and Baumann, P. and Becvar, F. and Berthoumieux, E. and Calvino, F. and Cano-Ott, D. and Capote, R. and Albornoz, A. C. and Cennini, P. and Chepel, V. and Chiaveri, E. and Colonna, N. and Cortes, G. and Couture, A. and Cox, J. and Dahlfors, M. and David, S. and Dillmann, I. and Dolfini, R. and Domingo-Pardo, C. and Dridi, W. and Duran, I. and Eleftheriadis, C. and Embid-Segura, M. and Ferrant, L. and Ferrari, A. and Ferreira-Marques, R. and Fitzpatrick, L. and Frais-Koclbl, H. and Fujii, K. and Furman, W. and Gallino, R. and Goncalves, . and Gonzalez-Romero, E. and Goverdovski, A. and Gramegna, F. and Griesmayer, E. and Guerrero, C. and Gunsing, F. and Haas, B. and Haight, R. and Heil, M. and Herrera-Martinez, A. and Lgashira, M. and Isaev, S. and Jericha, E. and Kadi, Y. and Kappeler, F. and Karamanis, D. and Karadimos, D. and Kerveno, M. and Ketlerov, V. and Kochler, P. and Konovalov, V. 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 Marques, L. and Marrone, S. and Mastinu, P. and Mengoni, A. and Milazzo, P. M. and Moreau, C. and Mosconi, M. and Neves, F. and Oberhummer, H. and O'Brien, S. and Oshima, M. 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 Plag, R. and Plompen, A. and Plukis, A. and Poch, A. and Pretel, C. and Quesada, J. and Rauscher, T. and Reifarth, R. and Rosetti, M. and Rubbia, C. and Rudolf, G. and Rullhusen, P. and Salgado, J. and Sarchiapone, L. and Savvidis, . and Stephan, C. and Tagliente, G. and Tain, J. L. and Tassan-Got, L. and Tavora, L. 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 Wendler, H. and Wiescher, M. and Wisshak, K.. (2006) Measurement of ¹³⁹La(n, γ) cross section. In: Capture gamma-ray spectroscopy and related topics, AIP Conference Proceedings, Vol. 819. Woodbury, NY, pp. 283-287.

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Official URL: http://edoc.unibas.ch/dok/A5253941

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Abstract

We measured the neutron capture cross section of La-139 relative to Au-197 in the energy range of 0.6 cV to 9 keV at n_TOF, the neutron time-of-flight facility at CERN. After a description of the experimental apparatus, we discuss data analysis procedures. The data were fitted using R-matrix formalism to extract resonance parameters which, in turn, were used to calculate average level spacings D-0 = 268 +/- 22 eV and D-1 > 250 cV, and neutron strength functions S-0 = (0.79 +/- 0.03)x 10(-4) and S-1 = (0.73 +/- 0.05)x 10(4) for s- and p-wave resonances. The data also were used to determine Maxwellian-averaged neutron capture cross sections which, in turn, were used to calculate the La-139 abundance synthesized in a stellar model of the main component of the s process.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Bibsysno:Link to catalogue
Publisher:AIP Press
Note:Variant title: Measurement of La-139(n, gamma) cross section -- Publication type according to Uni Basel Research Database: Conference paper
Identification Number:
Last Modified:04 Sep 2015 14:31
Deposited On:22 Mar 2012 13:47

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