Measurement and analysis of Gd-155,Gd-157(n,gamma) from thermal energy to 1 keV

Massimi, C. and Aberle, O. and Andrzejewski, J. and Audouin, L. and Bacak, M. and Balibrea, J. and Barbagallo, M. and Bečvář, F. and Berthoumieux, E. and Billowes, J. and Bosnar, D. and Brown, A. and Caamaño, M. and Calviño, F. and Calviani, M. and Cano-Ott, D. and Cardella, R. and Casanovas, A. and Castelluccio, D. M. and Cerutti, F. and Chen, Y. H. and Chiaveri, E. and Clai, G. and Colonna, N. and Camprini, P. Console and Cortés, G. and Cortés-Giraldo, M. A. and Cosentino, L. and Damone, L. A. and Diakaki, M. and Domingo-Pardo, C. and Dressler, R. and Dupont, E. and Durán, I. and Fernández-Domínguez, B. and Ferrari, A. and Ferreira, P. and Finocchiaro, P. and Furman, V. and Göbel, K. and García, A. R. and Gawlik, A. and Gilardoni, S. and Glodariu, T. and Gonçalves, I. F. and González-Romero, E. and Griesmayer, E. and Guerrero, C. and Guglielmelli, A. and Gunsing, F. and Harada, H. and Heinitz, S. and Heyse, J. and Jenkins, D. G. and Jericha, E. and Käppeler, F. and Kadi, Y. and Kalamara, A. and Kavrigin, P. and Kimura, A. and Kivel, N. and Knapova, I. and Kokkoris, M. and Krtička, M. and Kurtulgil, D. and Leal-Cidoncha, E. and Lederer, C. and Leeb, H. and Lerendegui-Marco, J. and Lonsdale, S. J. and Macina, D. and Manna, A. and Marganiec, J. and Martínez, T. and Masi, A. and Mastinu, P. and Mastromarco, M. and Maugeri, E. A. and Mazzone, A. and Mendoza, E. and Mengoni, A. and Milazzo, P. M. and Mingrone, F. and Mucciola, R. and Musumarra, A. and Negret, A. and Nolte, R. and Oprea, A. and Patronis, N. and Pavlik, A. and Perkowski, J. and Porras, I. and Praena, J. and Quesada, J. M. and Radeck, D. and Rauscher, T. and Reifarth, R. and Rocchi, F. and Rubbia, C. and Ryan, J. A. and Sabaté-Gilarte, M. and Saxena, A. and Schillebeeckx, P. and Schumann, D. and Sedyshev, P. and Smith, A. G. and Sosnin, N. and Stamatopoulos, A. and Tagliente, G. and Tain, J. L. and Tarifeño-Saldivia, A. and Tassan-Got, L. and Valenta, S. and Vannini, G. and Variale, V. and Vaz, P. and Ventura, A. and Vlachoudis, V. and Vlastou, R. and Wallner, A. and Warren, S. and Weiss, C. and Woods, P. J. and Wright, T. and Žugec, P.. (2020) Measurement and analysis of Gd-155,Gd-157(n,gamma) from thermal energy to 1 keV. In: ND 2019: International Conference on Nuclear Data for Science and Technology , 239. 01041.

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We have measured the capture cross section of the 155Gd and 157Gd isotopes between 0.025 eV and 1 keV. The capture events were recorded by an array of 4 C6D6 detectors, and the capture yield was deduced exploiting the total energy detection system in combination with the Pulse Height Weighting Techniques. Because of the large cross section around thermal neutron energy, 4 metallic samples of different thickness were used to prevent problems related to self-shielding. The samples were isotopically enriched, with a cross contamination of the other isotope of less than 1.14%. The capture yield was analyzed with an R-Matrix code to describe the cross section in terms of resonance parameters. Near thermal energies, the results are significantly different from evaluations and from previous time-of-flight experiments. The data from the present measurement at n_TOF are publicly available in the experimental nuclear reaction database EXFOR.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Publisher:EDP Sciences
Series Name:EPJ Web of Conferences
Note:Publication type according to Uni Basel Research Database: Conference paper
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Last Modified:11 Aug 2022 07:43
Deposited On:11 Aug 2022 07:43

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