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Your search keyword '"Rubio B. Lozano M. Gelletly W."' showing total 9 results
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9 results on '"Rubio B. Lozano M. Gelletly W."'

1. Spallation-reaction cross sections relevant for accelerator-driven systems

Author

J. Benlliure, J. Taieb, C. Stephan, M. Bernas, W. Wlazlo, R. Legrain, S. Leray, L. Tassan-Got, K.-H. Schmidt, S. Czajkowski, F. Farget, M.S. Pravikoff, P. Armbruster, A. Boudard, E. Casarejos, C. Volant, B. Mustapha, T. Enqvist, 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), and Rubio B. Lozano M. Gelletly W.

Subjects
Physics, Internet, scholar, research, Spectrometer, 020206 networking & telecommunications, cyber, 02 engineering and technology, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Residual, Mass spectrometry, 7. Clean energy, Nuclear physics, Uranium-238, Deuterium, 0202 electrical engineering, electronic engineering, information engineering, Mass spectrum, method, scientific, 020201 artificial intelligence & image processing, Spallation, Nuclide, science
Abstract

This contribution reports on the cross section measurements performed at GSI on the isotopic distribution of the residual nuclides of spallation reactions in inverse kinematics. The fragment separator (FRS) was used to select and identify the reaction products, and the full (Z,N) map was measured above the production limit of 0.1 mb. The high resolution of the spectrometer allowed to determine the velocity distributions of all products. These data are relevant for the design of accelerator-driven subcritical reactors. They are also of the highest importance to improve the understanding of the spallation mechanism.

Published
1999

2. Low lying states in $^6$He by (p,p') scattering

Author

Auger, F., Lagoyannis, A., Musumarra, A., Pollacco, E.C., Alamanos, N., Braga, F., Drouart, A., Fioni, G., Gillibert, A., Lapoux, A., Ottini-Hustache, S., Blumenfeld, Y., Khan, E., Santonocito, D., Scarpaci, J.A., Suomijarvi, T., Mittig, W., Roussel-Chomaz, P., La Commara, M., Pierroutsakou, D., Romoli, M., Sandoli, M., Institut de Physique Nucléaire d'Orsay (IPNO), 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), Rubio B. Lozano M. Gelletly W., and Robert, Suzanne

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
1999

3. Momentum distributions from core-breakup reactions of $^{11}$Be and $^{11}$Li

Author

Axelsson, L., Grévy, S., Angélique, J.C., Anne, R., Guillemaud-Mueller, D., Hornshoj, P., Jonson, B., Lewitowicz, M., Mueller, A.C., Nilsson, T., Nyman, G., Orr, N.A., Pougheon, F., Riisager, K., Saint-Laurent, M.G., Smedberg, M., Sorlin, O., Laboratoire de physique corpusculaire de Caen (LPCC), Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-École Nationale Supérieure d'Ingénieurs de Caen (ENSICAEN), Normandie Université (NU)-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Institut de Physique Nucléaire d'Orsay (IPNO), 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), Rubio B. Lozano M. Gelletly W., 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), and Robert, Suzanne

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
1999

4. Spallation reactions: a tool for RNB production and a neutron source for nuclear waste transmutation

Author

C. Volant, M. Bernas, T. Enqvist, C. Stephan, R. Legrain, S. Czajkowski, F. Farget, J. Benlliure, L. Tassan-Got, J. Taieb, M.S. Pravikoff, A. Boudard, P. Armbruster, K.-H. Schmidt, E. Casarejos, S. Leray, 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), Rubio B. Lozano M. Gelletly W., and Robert, Suzanne

Subjects
Radioactive ion beams, problem formulation, maxims of conversation, Nuclear transmutation, Chemistry, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Radioactive waste, 020206 networking & telecommunications, 02 engineering and technology, problem modeling, problem expression, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], problem understanding, Nuclear physics, Recoil, 0202 electrical engineering, electronic engineering, information engineering, Physics::Accelerator Physics, Neutron source, 020201 artificial intelligence & image processing, Spallation, competitive intelligence, information retrieval, Nuclear Experiment, pragmatics
Abstract

If simplified, every information retrieval problem can be solved when the information need implied by its expression has been identified. We are interested in the criteria used in realising a good information retrieval problem expression. We have listed these criteria through some principles and maxims which first characterized the communication between two persons are applied. We choose to use the gricean maxims because they are the most favoured for this type of situation. Secondly, we have tried to identify some others principles that can be used to realise a good information retrieval problem expression. The principles by Grice can not resolve all forms of error associated with this particular form of communication. In our work, we defined three other principles namely: adhesion principle, reformulation principle, memorization principle. We give some examples of situations where the principles we have formulated are not applicable and the consequences. We present the possible applications of our new model: MIRABEL, which can help in the description of information retrieval problem from. It also compels its user to use essential good expression principle implicitly.

Published
1999

5. Terminating bands in $^{98,99,100}$Ru and neutron 2d$_{5/2}$ - 1g$_{7/2}$ energy spacing

Author

Timar, J., Gizon, J., Gizon, A., Nyako, B.M., Sohler, D., Zolnai, L., Boston, A.J., Joss, D.T., Paul, E.S., Semple, A.T., O'Brien, N.J., Parry, C.M., Ragnarsson, I., bibliotheque, LPSC, Rubio B. Lozano M. Gelletly W., Laboratoire de Physique Subatomique et de Cosmologie (LPSC), and Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-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
1999

6. Large deformation change in iridium isotopes from laser spectroscopy

Author

G. Le Scornet, M. Krieg, J. Obert, F. Le Blanc, L. Cabaret, J. Sauvage, V. Sebastian, D. Verney, David Lunney, J.K.P. Lee, F. Ibrahim, Guillaume Hubert, J. Pinard, J. E. Crawford, J.C. Putaux, H.T. Duong, J. Oms, J. Genevey, B. Roussière, Laboratoire de Physique Subatomique et de Cosmologie (LPSC), Université Joseph Fourier - Grenoble 1 (UJF)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP )-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Institut Polytechnique de Grenoble - Grenoble Institute of Technology-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire d'Orsay (IPNO), 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), Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (CSNSM), Rubio B. Lozano M. Gelletly W., and ISOLDE

Subjects
Isotope, 010308 nuclear & particles physics, Stable isotope ratio, Nuclear structure, chemistry.chemical_element, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], Deformation (meteorology), 7. Clean energy, 01 natural sciences, Nuclear magnetic resonance, chemistry, 0103 physical sciences, Quadrupole, Physics::Atomic Physics, Iridium, Atomic physics, Nuclear Experiment, 010306 general physics, Spectroscopy, Hyperfine structure
Abstract

Laser spectroscopy measurements have been performed on neutron-deficient iridium isotopes. The hyperfine structure and isotope shift of the optical Ir I transition 5d76s2 4F9/2→5d76s6p 6F11/2 have been studied for the 182–189Ir, 180Irm and 191,193Ir isotopes. The nuclear magnetic and quadrupole moments were obtained from the hyperfine splitting measurements and the changes of the mean square charge radii from the isotope shift measurements. A large deformation change between 187Ir and 186Ir and between 186Irm and 186Irg has been observed.

Published
1999
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7. A new interpretation for the even-odd effect in fission-fragments yields

Author

F. Farget, K.-H. Schmidt, A.V. Ignatyuk, Arnd R. Junghans, 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), Rubio B. Lozano M. Gelletly W., and Robert, Suzanne

Subjects
Thermal equilibrium, Fission products, Proton, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Fission, Chemistry, Nuclear Theory, 020206 networking & telecommunications, 02 engineering and technology, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 7. Clean energy, 0202 electrical engineering, electronic engineering, information engineering, Nuclear fusion, 020201 artificial intelligence & image processing, Neutron, Atomic physics, Nuclear Experiment, Nucleon, Saddle
Abstract

Calculations which describe the probability to break a pair on the way from saddle to scission point when the nucleus undergoes fission are presented. It is shown that they reproduce the main characteristics of the measured data on even-odd structure in fission-fragment yields. In particular, the strongly differing even-odd structures in proton and neutron numbers are explained within the assumption of thermal equilibrium of intrinsic excitations at scission.

Published
1999
Full Text
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8. Evidence of pre-equilibrium $\gamma$-ray emission in heavy ion collisions at intermediate incident energies

Author

Tudisco, S., Amorini, F., Cardella, G., Di Pietro, A., Figuera, P., Lanzalone, G., Musumarra, A., Papa, M., Pappalardo, G., Pirrone, S., Rizzo, F., Robert, Suzanne, Rubio B. Lozano M. Gelletly W., Institut de Physique Nucléaire d'Orsay (IPNO), and 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)

Subjects
[PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
Published
1999

9. Isospin and spin-isospin modes in charge-exchange reactions

Author

M. Fujiwara, Sijtze Brandenburg, R. G. T. Zegers, Mohsen Harakeh, A. Willis, Hidetoshi Akimune, H. Laurent, van den Ad M Berg, KVI - Center for Advanced Radiation Technology, Damage and Repair in Cancer Development and Cancer Treatment (DARE), 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), Rubio B. Lozano M. Gelletly W., and Robert, Suzanne

Subjects
Physics, Isovector, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], 010308 nuclear & particles physics, Branching fraction, 020209 energy, High Energy Physics::Lattice, Nuclear Theory, Magnetic monopole, 02 engineering and technology, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, 7. Clean energy, Nuclear physics, Isospin, Giant resonance, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Spin-flip, Proton emission, Atomic physics, Random phase approximation, Nuclear Experiment
Abstract

The microscopic structure of the Gamow-Teller resonance (GTR) and spin-dipole resonance (SDR) in 208Bi has been investigated in the 208Pb(3He,tp)207Pb reaction at E(3He)=450 MeV and very forward scattering angles. The partial and total branching ratios and the escape widths for GTR and SDR decay to the residual neutron-hole states in 207Pb were deduced. These are found to be in good agreement with recent theoretical estimates. The (3He,tp) reaction on Pb at E(3He)=177 MeV was also studied in order to locate isovector monopole strength corresponding to 2ℏω transitions. Monopole strength at excitation energies above 25 MeV was discovered and compared to calculated strength due to the isovector giant monopole resonance and the spin-flip isovector monopole resonance. Calculations in a normal-mode framework show that all isovector monopole strength can be accounted for if the branching ratio for decay by proton emission is 20%.

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