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3 results on '"nucleon-nucleus reactions"'

1. Magnitude factor systematics of Kalbach phenomenology for reactions emitting helium and lithium ions

Author

Uozumi, Y., Evtoukhovitch, P., Fukuda, H., Imamura, M., Iwamoto, H., Kalinikov, V., Kallies, W., Khumutov, N., Kin, T., Koba, N., Koba, Y., Kuchinski, N., Moisenko, A., Mzavia, D., Nakano, M., Samoilov, V., Tsamalaidze, Z., Wakabayashia, G., and Yamashita, Y.

Subjects
*HELIUM ions, *LITHIUM, *PHENOMENOLOGICAL theory (Physics), *PROTON beams
Abstract

Abstract: We investigated the magnitude factor of the Kalbach phenomenology in order to estimate double differential cross-sections (DDXs) of (, 3He), (, 4He), (, 6Li) and (, 7Li) reactions at intermediate energies that is several hundreds of MeV. Firstly, we obtained DDXs on target nuclei, Be, C and Al by using a 392-MeV proton beam. Secondly, the magnitude factor has been formulated and parameterized by using the present data and Ag data measured elsewhere. Although the slope parameters of the magnitude factor were found to be independent of targets, absolute values are dependent. The magnitude factor shows a consistency between heavy targets, Al and Ag. In contrast, considerable different tendencies are seen for the light targets. As a result, it has been remarked that the present parameterization is of highly useful in yield estimation for experimental planning of light charged particle production reactions. It allows us to conduct such experiments with the higher efficiency. [Copyright &y& Elsevier]

Published
2007
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2. Multinucleon transfer reactions studied with magnetic spectrometers

Author

A. M. Stefanini, G. Montagnoli, S. M. Lenzi, E. Fioretto, F. Recchia, D. R. Napoli, E. Farnea, S. Beghini, R. Mǎrginean, Neven Soić, F. Haas, G. Pollarolo, Suzana Szilner, M. Trotta, N. Marginean, L. Corradi, I. V. Pokrovsky, F. Scarlassara, A. Gadea, Q. Zhong, A. Latina, M. Romoli, C. A. Ur, M. D. Salsac, Département Recherches Subatomiques (DRS-IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), S.V. Harissopulos, P. Demetriou, and E. Julin

Subjects
Physics, nuclei with mass number 90 to 149, lead, spectrometers, Spectrometer, magnetic devices, Degrees of freedom (physics and chemistry), Coulomb barrier, Semiclassical physics, zirconium, 020206 networking & telecommunications, nuclei with mass number 190 to 219, 02 engineering and technology, 25.40.Hs, 29.30.-h, 27.60.+j, 27.80.+w, Deformation (meteorology), [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 0202 electrical engineering, electronic engineering, information engineering, 020201 artificial intelligence & image processing, nucleon-nucleus reactions, Atomic physics, Nuclear Experiment, Open shell
Abstract

Multinucleon transfer reactions with $^{40}$Ca beams on closed shell nuclei $^{96}$Zr and $^{208}Pb at energies close to the Coulomb barrier were studied using magnetic spectrometers. The comparison between data and calculations, based on semiclassical models, allowed to identify the different degrees of freedom that influence the evolution of the reaction, like deformation, single, and pair transfer modes.

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3. Aspects of low energy binary reactions

Author

E. Farnea, A. Gadea, M. Trotta, S. Beghini, F. Haas, I. V. Pokrovskiy, D. R. Napoli, G. Pollarolo, A. M. Stefanini, P. J. R. Mason, B. R. Behera, C. A. Ur, J. J. Valiente-Dobón, Suzana Szilner, G. de Angelis, N. Marginean, G. Montagnoli, F. Scarlassara, L. Corradi, E. Fioretto, F. Della Vedova, Département Recherches Subatomiques (DRS-IPHC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS), and Yu. E. Penionzhkevich, E. A. Cherepanov

Subjects
Field (physics), Spectrometer, 25.70.Hi, 25.40.Hs, 21.10.-k, 010405 organic chemistry, Q value, Chemistry, Degrees of freedom (statistics), Solid angle, Nuclear structure, Nanotechnology, [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 01 natural sciences, 0104 chemical sciences, Nuclear physics, nuclear structure, 0103 physical sciences, heavy ion-nucleus reactions, nucleon-nucleus reactions, Gamma spectroscopy, Nuclear Experiment, 010306 general physics, Nucleon
Abstract

International audience; Recent experimental and theoretical advances have been achieved in the field of multinucleon transfer reactions among heavy-ions. Detailed A,Z and Q-value distributions allow to identify the relevant degrees of freedom acting in the transfer process. The advent of the large solid angle magnetic spectrometer PRISMA coupled to the large $\gamma$-array CLARA was a major experimental breakthrough, as reaction mechanism and nuclear structure studies of neutron-rich nuclei can be performed via $\gamma$-particle coincidences. Examples of recent studies, mainly focused on the reaction mechanism, are presented.

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