Role of dissipation on the quasielastic barrier distributions of the 20Ne+92,94,95Mo systems

The quasielastic barrier distributions of the 20 Ne + 92,94,95 Mo systems were measured at the Heavy Ion Laboratory (HIL) of the University of Warsaw. The measurement aimed at studying the influence of dissipation due to single-particle excitations on the structure of the barrier distribution. The comparison of the three systems indicates the larger number of single-particle excitations for the heaviest Mo isotopes as a leading cause of the smoothing of the barrier distribution, which loses the structure foreseen by the coupling to only collective excitations. The theoretical calculations performed including the coupling to the non-collective excitation are in good agreement with the experimental barrier distributions for the 20 Ne + 92,94,95 Mo systems.

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Journal
Nuclear Physics A
Published
2025-06-13
DOI
https://doi.org/10.1016/j.nuclphysa.2025.123197
Primary Topic
Nuclear physics research studies
Type
article
Field-Weighted Citation Impact
0.00

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article

Role of dissipation on the quasielastic barrier distributions of the 20Ne+92,94,95Mo systems

N. S. Martorana, A. Stolarz, F. Risitano, P. Russotto et al.
Nuclear Physics A
Nuclear physics research studies
article

Role of dissipation on the quasielastic barrier distributions of the 20Ne+92,94,95Mo systems

N. S. Martorana, A. Stolarz, F. Risitano, P. Russotto, L. Quattrocchi, M. Trimarchì, G. D’Agata, B. Gnoffo, E. De Filippo, K. Hadyńska-Klęk, G. Colucci, G. Tiurin, E. Piasecki, A. Tucholski, M. Matuszewski, M. Wolińska-Cichocka, J. Samorajczyk-Pyśk, Y. Leifels, G. Jaworski, B. Zalewski, M. Kisieliński, Michał Kowalczyk, B. Lommel, Antonio Barbon, E.V. Pagano, E. Geraci, A. Trzcińska, R. Dubey, W. H. Trzaska, C. Zagami, Zbigniew Konrad Czerski, P. Koczoń, M. Kondzielska
article en

Abstract

The quasielastic barrier distributions of the 20 Ne + 92,94,95 Mo systems were measured at the Heavy Ion Laboratory (HIL) of the University of Warsaw. The measurement aimed at studying the influence of dissipation due to single-particle excitations on the structure of the barrier distribution. The comparison of the three systems indicates the larger number of single-particle excitations for the heaviest Mo isotopes as a leading cause of the smoothing of the barrier distribution, which loses the structure foreseen by the coupling to only collective excitations. The theoretical calculations performed including the coupling to the non-collective excitation are in good agreement with the experimental barrier distributions for the 20 Ne + 92,94,95 Mo systems.

Nuclear Physics AVol. 1063
University of Szczecin (PL), Warsaw University of Technology (PL), GSI Helmholtz Centre for Heavy Ion Research (DE), University of Catania (IT), Institute of Physics (PL), Istituto Nazionale di Fisica Nucleare, Sezione di Catania (IT), University of Warsaw (PL)
Narodowe Centrum Nauki
Openalex Percentile: Top 94%
Nuclear physics research studies
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