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3 results on '"R. Caballero-Folch"'

1. Total Absorption Study of Beta Decays Relevant for Nuclear Applications and Nuclear Structure

Author

A. R. García, M. Reponen, F. Molina, M. B. Gómez-Hornillos, V. Gorlychev, Muriel Fallot, A.-A. Zakari-Issoufou, M. Bowry, R. Caballero-Folch, J. Agramunt, V. Guadilla, V. Kolkinen, V. M. Bui, Ari Jokinen, T. Martinez, Juha Äystö, Amanda Porta, Volker Sonnenschein, M. D. Jordan, Iain Moore, F. G. Kondev, B. Rubio, G. F. Farrelly, Zs. Podolyák, A. Montaner, A. Algora, Jani Hakala, J. L. Tain, P. H. Regan, P. J. R. Mason, E. Valencia, V. Eloma, E. Mendoza, Juho Rissanen, D. Cano-Ott, Heikki Penttilä, E. Estevez, Tommi Eronen, A. A. Sonzogni, Stephen Rice, W. Gelletly, Laboratoire SUBATECH Nantes (SUBATECH), and Mines Nantes (Mines Nantes)-Université de Nantes (UN)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
Physics, Nuclear reaction, Nuclear and High Energy Physics, Decay scheme, Total absorption spectroscopy, ta114, Nuclear Theory, Gamma ray, Nuclear data, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Beta decay, Nuclear physics, Beta particle, Neutron, Nuclear Experiment
Abstract

An overview is given of our activities related to the study of the beta decay of neutron rich nuclei relevant for nuclear applications. Recent results of the study of the beta decay of 87,88 Br using a new segmented total absorption spectrometer are presented. The measurements were performed at the IGISOL facility using trap-assisted total absorption spectroscopy.

Published
2014
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2. New Beta-delayed Neutron Measurements in the Light-mass Fission Group

Author

M. B. Gómez-Hornillos, R. Caballero-Folch, B. Rubio, A. R. García, G. Cortes, W. Gelletly, Heikki Penttilä, D. Jordan, Juho Rissanen, C. Domingo-Pardo, J. Agramunt, Tommi Eronen, Juha Äystö, D. Cano-Ott, P. J. R. Mason, A. Algora, Jani Hakala, Ari Jokinen, V. Kolkinen, Antti Saastamoinen, J. L. Tain, E. Valencia, A. Riego, Iain Moore, Anu Kankainen, F. Calviño, T. Martinez, Zs. Podolyák, M. Reponen, Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear, and Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions

Subjects
Physics, Energies::Energia nuclear [Àrees temàtiques de la UPC], Nuclear and High Energy Physics, ta114, Neutron emission, Energies [Àrees temàtiques de la UPC], Xenon-135, Astrophysics::High Energy Astrophysical Phenomena, Nuclear Theory, Nuclear energy, Fast fission, Neutron temperature, Fissió nuclear, Nuclear physics, Prompt neutron, Isotopes, Neutron cross section, Neutron, Nuclear Experiment, Delayed neutron
Abstract

A new accurate determination of beta-delayed neutron emission probabilities from nuclei in the low mass region of the light fission group has been performed. The measurements were carried out using the BELEN 4π neutron counter at the IGISOL-JYFL mass separator in combination with a Penning trap. The new results significantly improve the uncertainties of neutron emission probabilities for {sup 91}Br, {sup 86}As, {sup 85}As, and {sup 85}Ge nuclei.

Published
2014

3. β-decay and β-delayed Neutron Emission Measurements at GSI-FRS Beyond N=126, for r-process Nucleosynthesis

Author

J. Marganiec, R. Caballero-Folch, C. Nociforo, Iris Dillmann, Hans Geissel, M. B. Gómez-Hornillos, A. García-Rios, H. Schaffner, D. Testov, Fernando Montes, L. Maier, A. Estrade, Bao-Hua Sun, R. Wood, R. Knöbel, C. Domingo-Pardo, D. Cano-Ott, Yuri A. Litvinov, Thomas Davinson, D. R. Napoli, Zs. Podolyák, Thomas Faestermann, W. Gelletly, F. Calviño, D. Galaviz, M. Bowry, A. V. Yeremin, G. Cortes, A. Riego, T. Martinez, A. Prochazka, C. Paradela, Alejandro Algora, M. Marta, I. Kojouharov, C. Scheidenberger, J. L. Tain, B. Rubio, J. Kurcewicz, N. Kurz, Simon Rice, A. Evdokimov, F. Farinon, E. Wilson, Yassid Ayyad, K. Steiger, I. Mukha, S. Pietri, Philip Woods, J. Agramunt, Roman Gernhäuser, E. Sokol, F. Ameil, Helmut Weick, C. Hinke, J. S. Winfield, J. Benlliure, Carlos Guerrero, Michael Heil, M. Takechi, and Karl Smith

Subjects
Physics, Nuclear and High Energy Physics, Isotope, 010308 nuclear & particles physics, Neutron emission, Branching fraction, 01 natural sciences, Nuclear physics, Nucleosynthesis, 0103 physical sciences, r-process, Neutron, 010306 general physics, s-process, Delayed neutron
Abstract

New measurements of very exotic nuclei in the neutron-rich region beyond N=126 have been performed at the GSI facility with the fragment separator (FRS). The aim of the experiment is to determine half-lives and β-delayed neutron emission branching ratios of isotopes of Hg, Tl and Pb in this region. This contribution summarizes final counting statistics for identification and for implantation, as well as the present status of the data analysis of the half-lives. In summary, isotopes of Pt, Au, Hg, Tl, Pb, Bi, Po, At, Rn and Fr were clearly identified and several of them (208-211Hg, 211-215Tl, 214-218Pb) were implanted with enough statistics to determine their half-lives. About half of them are expected to be neutron emitters, in such cases it will become possible to obtain the neutron emission probabilities, Pn. © 2014 Elsevier Inc.

Published
2014
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