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300 results on '"Wagemans, C."'

1. Thermal neutron induced (n,p) and (n,alpha) reactions on 37Ar

Author

Bieber, R., Wagemans, C., Goeminne, G., Wagemans, J., Denecke, B., Loiselet, M., Gaelens, M., Geltenbort, P., and Oberhummer, H.

Subjects
Nuclear Experiment
Abstract

The 37Ar(n_th,alpha)34S and 37Ar(n_th,p)37Cl reactions were studied at the high flux reactor of the ILL in Grenoble. For the 37Ar(n_th,alpha_0) and 37Ar(n_th,p) reaction cross sections, values of (1070+/-80)b and (37+/-4)b, respectively, were obtained. Both values are about a factor 2 smaller than results of older measurements. The observed suppression of the 37(n_th,alpha_1) transition could be verified from theoretical considerations. Finally, evidence was found for the two-step 37Ar(n_th,gamma-alpha) process., Comment: 11 pages, 5 figures, accepted for publication in Nuclear Physics A

Published
1999
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9. Erratum: β -delayed fission of Tl180 [Phys. Rev. C 88 , 044321 (2013)]

Author

Elseviers, J., primary, Andreyev, A. N., additional, Huyse, M., additional, Van Duppen, P., additional, Antalic, S., additional, Barzakh, A., additional, Bree, N., additional, Cocolios, T. E., additional, Comas, V. F., additional, Diriken, J., additional, Fedorov, D., additional, Fedosseev, V. N., additional, Franchoo, S., additional, Ghys, L., additional, Heredia, J. A., additional, Ivanov, O., additional, Köster, U., additional, Marsh, B. A., additional, Nishio, K., additional, Page, R. D., additional, Patronis, N., additional, Seliverstov, M. D., additional, Tsekhanovich, I., additional, Van den Bergh, P., additional, Van De Walle, J., additional, Venhart, M., additional, Vermote, S., additional, Veselský, M., additional, and Wagemans, C., additional

Published
2020
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13. Detailed alpha-decay study of Tl-180

Author

Andel, B, Andreyev, AN, Antalic, S, Barzakh, A, Bree, N, Cocolios, TE, Comas, VF, Diriken, J, Elseviers, J, Fedorov, DV, Fedosseev, VN, Franchoo, S, Ghys, L, Heredia, JA, Huyse, M, Ivanov, O, Koster, U, Liberati, V, Marsh, BA, Nishio, K, Page, RD, Patronis, N, Seliverstov, MD, Tsekhanovich, I, Van den Bergh, P, De Walle, J Van, Van Duppen, P, Venhart, M, Vermote, S, Veselsky, M, and Wagemans, C

Published
2017

22. Detailed $\alpha$-decay study of $^{180}\mathrm{Tl}$

Author

Andel, B., Andreyev, A.N., Antalic, S., Barzakh, A., Bree, N., Cocolios, T.E., Comas, V.F., Diriken, J., Elseviers, J., Fedorov, D.V., Fedosseev, V.N., Franchoo, S., Ghys, L., Heredia, J.A., Huyse, M., Ivanov, O., Köster, U., Liberati, V., Marsh, B.A., Nishio, K., Page, R.D., Patronis, N., Seliverstov, M.D., Tsekhanovich, I., Van Den Bergh, P., Van De Walle, J., Van Duppen, P., Venhart, M., Vermote, S., Veselský, M., Wagemans, C., Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut Laue-Langevin (ILL), ILL, Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
High Energy Physics::Experiment, Nuclear Physics - Experiment, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment
Abstract

International audience; A detailed $\alpha$-decay spectroscopy study of $^{180}\mathrm{Tl}$ has been performed at ISOLDE (CERN). $Z$-selective ionization by the Resonance Ionization Laser Ion Source (RILIS) coupled to mass separation provided a high-purity beam of $^{180}\mathrm{Tl}$. Fine-structure $\alpha$ decays to excited levels in the daughter $^{176}\mathrm{Au}$ were identified and an $\alpha$-decay scheme of $^{180}\mathrm{Tl}$ was constructed based on an analysis of $\alpha$-$\gamma$ and $\alpha$-$\gamma$-$\gamma$ coincidences. Multipolarities of several $\gamma$-ray transitions deexciting levels in $^{176}\mathrm{Au}$ were determined. Based on the analysis of reduced $\alpha$-decay widths, it was found that all $\alpha$ decays are hindered, which signifies a change of configuration between the parent and all daughter states.

Published
2017

23. Detailed α-decay study of 180Tl

Author

Andel, B., Andreyev, A. N., Antalic, S., Barzakh, A., Bree, N., Cocolios, T. E., Comas, V. F., Diriken, J., Elseviers, J., Fedorov, D. V., Fedosseev, V N, Franchoo, S., Ghys, L., Heredia, J. A., Huyse, M., Ivanov, O., Köster, U., Liberati, V., Marsh, B. A., Nishio, K., Page, R D, Patronis, N., Seliverstov, M. D., Tsekhanovich, I. S., Van den Bergh, P., Van de Walle, J., Van Duppen, P., Venhart, M., Vermote, S., Veselsky, M., and Wagemans, C.

Subjects
THALLIUM ISOTOPES, Physics and Astronomy, TL NUCLEI, ODD BI ISOTOPES, High Energy Physics::Experiment, Nuclear Experiment, NEUTRON-DEFICIENT, INTRUDER STATES
Abstract

A detailed α-decay spectroscopy study of 180Tl has been performed at ISOLDE (CERN). Z-selective ionization by the Resonance Ionization Laser Ion Source (RILIS) coupled to mass separation provided a high-purity beam of 180Tl. Fine-structure α decays to excited levels in the daughter 176Au were identified and an α-decay scheme of 180Tl was constructed based on an analysis of α−γ and α−γ−γ coincidences. Multipolarities of several γ-ray transitions deexciting levels in 176Au were determined. Based on the analysis of reduced α-decay widths, it was found that all α decays are hindered, which signifies a change of configuration between the parent and all daughter states. ispartof: Physical Review C vol:96 issue:5 status: published

Published
2017

25. Detailed α -decay study of Tl180

Author

Andel, B., primary, Andreyev, A. N., additional, Antalic, S., additional, Barzakh, A., additional, Bree, N., additional, Cocolios, T. E., additional, Comas, V. F., additional, Diriken, J., additional, Elseviers, J., additional, Fedorov, D. V., additional, Fedosseev, V. N., additional, Franchoo, S., additional, Ghys, L., additional, Heredia, J. A., additional, Huyse, M., additional, Ivanov, O., additional, Köster, U., additional, Liberati, V., additional, Marsh, B. A., additional, Nishio, K., additional, Page, R. D., additional, Patronis, N., additional, Seliverstov, M. D., additional, Tsekhanovich, I., additional, Van den Bergh, P., additional, Van De Walle, J., additional, Van Duppen, P., additional, Venhart, M., additional, Vermote, S., additional, Veselský, M., additional, and Wagemans, C., additional

Published
2017
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34. β-delayed fission of 180Tl

Author

Elseviers, J., Andreyev, A. N., Fedorov, D., Fedosseev, V. N., Franchoo, S., Ghys, L., Heredia, J. A., Ivanov, O., Köster, U., Marsh, B. A., Nishio, K., Page, R. D., Huyse, M., Patronis, N., Seliverstov, M. D., Tsekhanovich, I., Van den Bergh, P., Van De Walle, J., Venhart, M., Vermote, S., Veselský, M., Wagemans, C., Van Duppen, P., Antalic, S., Barzakh, A., Bree, N., Cocolios, T. E., Comas, V. F., Diriken, J., Institut de Physique Nucléaire d'Orsay (IPNO), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Institut Laue-Langevin (ILL), ILL, Instituut voor Kern-en Stralingsfysica (IKS), Catholic University of Leuven - Katholieke Universiteit Leuven (KU Leuven), Aval du cycle et Energie Nucléaire (ACEN), Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and European Organization for Nuclear Research (CERN)

Subjects
Isolde, SURFACE-BARRIER DETECTORS, Physics and Astronomy, fission, ddc:530, fission fragment mass distribution, NUCLEAR-FISSION, MASS, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear Experiment, FRAGMENTS, HEAVY-IONS
Abstract

The detailed analysis of the beta-delayed fission data of Tl-180 is presented. The experiment was performed by producing a pure beam of Tl-180 by means of highly selective resonance laser ionization followed by mass separation with the ISOLDE (CERN, Geneva) isotope separator. A surprising asymmetric mass distribution of fission fragments from Hg-180, the daughter of Tl-180 beta decays, was observed. Here, the energy calibration of the silicon detectors, which is crucial for a proper determination of the fission fragments' energy and mass split, is presented and the total kinetic energy and its dependence on the mass split ratio is discussed. A more precise beta-delayed fission probability P-beta DF(Tl-180) = 3.2(2) x 10(-3)% was deduced.

Published
2013

35. Detailed $\beta$DF studies of $^{202}$Fr and a search for$\beta$DF of $^{204}$Fr

Author

Andreyev, A, Liberati, V, Lane, J, Sandhu, K, Chapman, R, Darby, IG, Diriken, J, De Witte, H, Elseviers, J, Huyse, M, Ghys, L, Rapisarda, E, Radulov, D, Van den Bergh, P, Van Duppen, P, Flanagan, KT, Popescu, L, Pauwels, D, Antalic, S, Kalaninova, Z, Nishio, K, Köster, U, Page, RD, Tsekhanovich, I, Vermote, S, Wagemans, C, Venhart, M, Veselský, M, Möller, P, Sierk, AJ, Itchikawa, T, and Cocolios, TE

Subjects
Detectors and Experimental Techniques
Published
2011

36. Shape coexistence in $^{180}$Hg studied through the $\beta$ decay of $^{180}$Tl

Author

Elseviers, J., Andreyev, A. N., Antalic, S., Barzakh, A., Bree, N., Cocolios, T. E., Comas, V. F., Diriken, J., Fedorov, D., Fedosseyev, V. N., Franchoo, S., Heredia, J. A., Huyse, M., Ivanov, O., Koster, U., Marsh, B. A., Page, R. D., Patronis, N., Seliverstov, M., Tsekhanovich, I., Van den Bergh, P., Van De Walle, J., Van Duppen, P., Venhart, M., Vermote, S., Veselsky, M., and Wagemans, C.

Subjects
mercury, bands, mass nuclei, XX, isolde, deficient hg isotopes, states
Abstract

The beta(+)/EC decay of (180)Tl and excited states in the daughter nucleus (180)Hg have been investigated at the CERN On-Line Isotope Mass Separator (ISOLDE) facility. Many new low-lying energy levels were observed in (180)Hg, of which the most significant are the 0(2)(+) at 419.6 keV and the 2(2)(+) at 601.3 keV. The former is the bandhead of an excited band in (180)Hg assumed originally to be of prolate nature. From the beta feeding to the different states in (180)Hg, the ground-state spin of (180)Tl was deduced to be (4(-),5(-)). Physical Review C

Published
2011

38. Preparation and characterization of a $^{39}Ar$ sample and study of the $^{39}Ar(n_{th},\alpha)^{36}S$ reaction

Author

Goeminne, G, Denecke, B, Geltenbort, P, Johansson, L, Köster, U, Pommé, S, Wagemans, C, and Wagemans, J

Subjects
Nuclear Physics - Experiment
Abstract

The $^{39}$Ar(n$_{\rm th}$,$\alpha$)$^{36}$S reaction has been studied for the first time. A sample containing $2.85 \times 10^{14}$ $^{39}$Ar atoms, was produced at the ISOLDE facility at CERN. The number of $^{39}$Ar atoms in the layer was determined by measuring the $^{39}$Ar $\beta$-activity using a primary standardization method. Subsequently, the sample was irradiated with thermal neutrons at the High Flux Reactor of the ILL. An upper limit of 0.29~b was obtained for the $^{39}$Ar(n$_{\rm th}$,$\alpha$)$^{36}$S reaction cross-section.

Published
2002

39. Energy distributions and yields of 3H, 4He and 6He-particles emitted in the 245Cm(n_th,f) reaction

Author

Serot, O, Wagemans, C, Wagemans, J, Goeminne, G, Köster, U, Geltenbort, P, and Nesvizhevsky, V V

Subjects
Astrophysics::High Energy Astrophysical Phenomena, Nuclear Physics
Abstract

The energy distributions and yields of light charged particles emitted during thermal neutron induced fission of 245Cm have been measured at the high flux reactor of the Institute Laue Langevin in Grenoble (France). The detection of the ternary particles was done using a Delta-E/E telescope, permitting a good separation of the ternary particles. In this way, the characteristics of the energy distribution (average energy and full width at half maximum) for 4He, 3H and 6He particles as well as their emission probabilities could be determined. For the emission probabilities per fission, the following values were obtained: LRA/B=(2.15+-0.05)E-3, 3H/B=(1.85+-0.10)E-4 and 6He/B=(4.95+-1.25)E-5.

Published
2001

41. Determination of the thermal neutron induced O-17(n,alpha) C-14 reaction cross section

Author

Wagemans, J, Wagemans, C, Bieber, R, Geltenbort, P, and KVI - Center for Advanced Radiation Technology

Subjects
NUCLEOSYNTHESIS, ELEMENTS, SUPERNOVAE
Abstract

The. O-17(n(th),alpha)C-14 reaction cross section was determined at the high flux reactor of the ILL in Grenoble relative to the known N-14(n(th),p)C-14 cross section. For the flux calibration measurements, N-14(2) from the air was used. The O-17(n,alpha) measurements were performed with several highly enriched oxygen gas samples. This resulted in a precise value of (244+/-7) mb for the O-17(n(th),alpha)C-14 cross section. [S0556-2813(98)05410-7].

Published
1998

43. Influence of the fission modes on the light charged particles emission in ternary fission

Author

Serot, Olivier, Wagemans, C., Van Den Berghe, S., Carjan, N., Barthelemy, R., Van Gils, J., Chambon, Pascale, Reffo G. Ventura A. Grandi C., Centre d'Etudes Nucléaires de Bordeaux Gradignan (CENBG), and Université Sciences et Technologies - Bordeaux 1-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
1997

46. Shape coexistence in180Hg studied through theβdecay of180Tl

Author

Elseviers, J., primary, Andreyev, A. N., additional, Antalic, S., additional, Barzakh, A., additional, Bree, N., additional, Cocolios, T. E., additional, Comas, V. F., additional, Diriken, J., additional, Fedorov, D., additional, Fedosseyev, V. N., additional, Franchoo, S., additional, Heredia, J. A., additional, Huyse, M., additional, Ivanov, O., additional, Köster, U., additional, Marsh, B. A., additional, Page, R. D., additional, Patronis, N., additional, Seliverstov, M., additional, Tsekhanovich, I., additional, Van den Bergh, P., additional, Van De Walle, J., additional, Van Duppen, P., additional, Venhart, M., additional, Vermote, S., additional, Veselský, M., additional, and Wagemans, C., additional

Published
2011
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49. New Type of Asymmetric Fission in Proton-Rich Nuclei

Author

Andreyev, A. N., primary, Elseviers, J., additional, Huyse, M., additional, Van Duppen, P., additional, Antalic, S., additional, Barzakh, A., additional, Bree, N., additional, Cocolios, T. E., additional, Comas, V. F., additional, Diriken, J., additional, Fedorov, D., additional, Fedosseev, V., additional, Franchoo, S., additional, Heredia, J. A., additional, Ivanov, O., additional, Köster, U., additional, Marsh, B. A., additional, Nishio, K., additional, Page, R. D., additional, Patronis, N., additional, Seliverstov, M., additional, Tsekhanovich, I., additional, Van den Bergh, P., additional, Van De Walle, J., additional, Venhart, M., additional, Vermote, S., additional, Veselsky, M., additional, Wagemans, C., additional, Ichikawa, T., additional, Iwamoto, A., additional, Möller, P., additional, and Sierk, A. J., additional

Published
2010
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