Analysis of nuclear structure effects in sub-barrier fusion dynamics using energy dependent Woods-Saxon potential
Singh Gautam, M.
Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM
dor_id: 4107522
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856.4.0.u: https://rmf.smf.mx/ojs/rmf/article/view/4226/4193
100.1.#.a: Singh Gautam, M.
524.#.#.a: Singh Gautam, M. (2016). Analysis of nuclear structure effects in sub-barrier fusion dynamics using energy dependent Woods-Saxon potential. Revista Mexicana de Física; Vol 62, No 5 Sept-Oct: 398-0. Recuperado de https://repositorio.unam.mx/contenidos/4107522
245.1.0.a: Analysis of nuclear structure effects in sub-barrier fusion dynamics using energy dependent Woods-Saxon potential
502.#.#.c: Universidad Nacional Autónoma de México
561.1.#.a: Facultad de Ciencias, UNAM
264.#.0.c: 2016
264.#.1.c: 2016-01-01
653.#.#.a: Heavy-ion near-barrier fusion reactions; coupled channel equations; Woods-Saxon potential; diffuseness anomaly
506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-ND 4.0 Internacional, https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es, fecha de asignación de la licencia 2016-01-01, para un uso diferente consultar al responsable jurídico del repositorio por medio de rmf@ciencias.unam.mx
884.#.#.k: https://rmf.smf.mx/ojs/rmf/article/view/4226
001.#.#.#: oai:ojs.rmf.smf.mx:article/4226
041.#.7.h: eng
520.3.#.a: The fusion dynamics of various projectiles (168 O, 2713 Al and 3717 Cl) with the 70,7232 Ge-isotopes is analyzed using the energy dependent Woods-Saxon potential model (EDWSP model) and the coupled channel formulation. The impacts of the inelastic surface excitations of fusing nuclei have been examined using the coupled channel model and by inclusion of appropriate number of the intrinsic channels, the observed fusion enhancements can be reasonably explained for all fusing systems. The magnitude of the sub-barrier fusion enhancement is found to be increasing with the increase of deformation parameter associated with the colliding systems. Furthermore, the optimum choice of the static Woods-Saxon potential and the EDWSP model are simultaneously tested along with the Wong's approximation for explanation of the fusion of 168 O + 70,7232 Ge, 2713 Al + 70,7232 Ge and 3717 Cl + 70,7232 Ge reactions. The theoretical predictions obtained by using the static Woods-Saxon potential model are found to be substantially smaller than the experimental data particularly at below barrier energies. In contrast, the EDWSP model based calculations provide an adequate description of the observed fusion enhancement of the chosen reactions. This unambiguously reveals that the discrepancies between theoretical results obtained through the single barrier penetration model and the experimental data can be partially or fully removed if either one makes the use of the EDWSP model along with the Wong's approximation or includes the intrinsic channels associated with the fusing systems in coupled channel calculations. In addition, the EDWSP model based predictions are capable of recovering an agreement with the fusion data within 10%. For chosen reactions, only at 7 fusion data points out of 77 fusion data points does the deviation exceed 5% while 70 fusion data points lie within 5%. Therefore, the EDWSP model based calculations are able to provide close agreement with the fusion data points at above barrier energies within 5% with a probability more than 90%.
773.1.#.t: Revista Mexicana de Física; Vol 62, No 5 Sept-Oct (2016): 398-0
773.1.#.o: https://rmf.smf.mx/ojs/rmf/index
046.#.#.j: 2020-11-25 00:00:00.000000
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310.#.#.a: Bimestral
264.#.1.b: Sociedad Mexicana de Física, A.C.
758.#.#.1: https://rmf.smf.mx/ojs/rmf/index
handle: 00dd746fbb6d2c47
harvesting_date: 2020-09-23 00:00:00.0
856.#.0.q: application/pdf
last_modified: 2020-11-27 00:00:00
license_url: https://creativecommons.org/licenses/by-nc-nd/4.0/legalcode.es
license_type: by-nc-nd
Singh Gautam, M.
Facultad de Ciencias, UNAM, publicado en Revista Mexicana de Física, y cosechado de Revistas UNAM
Singh Gautam, M. (2016). Analysis of nuclear structure effects in sub-barrier fusion dynamics using energy dependent Woods-Saxon potential. Revista Mexicana de Física; Vol 62, No 5 Sept-Oct: 398-0. Recuperado de https://repositorio.unam.mx/contenidos/4107522