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Beta delayed neutron emission of $N=84$ $^{132}$Cd

Fuente: arXiv

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Autori principali:	Madurga, M., Xu, Z. Y., Grzywacz, 1 R., Mumpower, M. R., Andreyev, A., Benzoni, G., Borge, M. J. G., Costache, C., Cox, I., Cupp, S., Dimitrov, B., Van Duppen, P., Fraile, L. M., Franchoo, S., Fynbo, H., Gonsalves, B., Gottardo, A., Greenless, P. T., Gross, A., Gross, C. J., Harkness-Brennan, L. J., Hyuse, M., Judson, D. S., Kisyov, S., Kolos, K., Konki, J., Kurzewicz, J., Lazarus, I., Lica, R., Lynch, L., Lund, M., Marginean, N., Marginean, R., Mihai, C., Marroquin, I., Mazzocchi, C., Mengoni, D., Morales, A. I., Nacher, E., Negret, A., Page, R. D., Pascu, S., Paulauskas, S. V., Perea, A., Piersa-Silkowska, M., Pucknell, V., Rahkila, P., Rapisarda, E., Rotaru, F., Sotty, C., Taylor, S., Tengblad, O., Vedia, V., Verney, D., Wadsworth, R., Warr, N., de Witte, H.
Natura:	Preprint
Pubblicazione:	2024
Soggetti:	Nuclear Experiment Nuclear Theory
Accesso online:	Acceder al recurso
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_version_	1866910191111372800
author	Madurga, M. Xu, Z. Y. Grzywacz, 1 R. Mumpower, M. R. Andreyev, A. Benzoni, G. Borge, M. J. G. Costache, C. Cox, I. Cupp, S. Dimitrov, B. Van Duppen, P. Fraile, L. M. Franchoo, S. Fynbo, H. Gonsalves, B. Gottardo, A. Greenless, P. T. Gross, A. Gross, C. J. Harkness-Brennan, L. J. Hyuse, M. Judson, D. S. Kisyov, S. Kolos, K. Konki, J. Kurzewicz, J. Lazarus, I. Lica, R. Lynch, L. Lund, M. Marginean, N. Marginean, R. Mihai, C. Marroquin, I. Mazzocchi, C. Mengoni, D. Morales, A. I. Nacher, E. Negret, A. Page, R. D. Pascu, S. Paulauskas, S. V. Perea, A. Piersa-Silkowska, M. Pucknell, V. Rahkila, P. Rapisarda, E. Rotaru, F. Sotty, C. Taylor, S. Tengblad, O. Vedia, V. Verney, D. Wadsworth, R. Warr, N. de Witte, H.
author_facet	Madurga, M. Xu, Z. Y. Grzywacz, 1 R. Mumpower, M. R. Andreyev, A. Benzoni, G. Borge, M. J. G. Costache, C. Cox, I. Cupp, S. Dimitrov, B. Van Duppen, P. Fraile, L. M. Franchoo, S. Fynbo, H. Gonsalves, B. Gottardo, A. Greenless, P. T. Gross, A. Gross, C. J. Harkness-Brennan, L. J. Hyuse, M. Judson, D. S. Kisyov, S. Kolos, K. Konki, J. Kurzewicz, J. Lazarus, I. Lica, R. Lynch, L. Lund, M. Marginean, N. Marginean, R. Mihai, C. Marroquin, I. Mazzocchi, C. Mengoni, D. Morales, A. I. Nacher, E. Negret, A. Page, R. D. Pascu, S. Paulauskas, S. V. Perea, A. Piersa-Silkowska, M. Pucknell, V. Rahkila, P. Rapisarda, E. Rotaru, F. Sotty, C. Taylor, S. Tengblad, O. Vedia, V. Verney, D. Wadsworth, R. Warr, N. de Witte, H.
contents	Using the time-of-flight technique, we measured the beta-delayed neutron emission of $^{132}$Cd. From our large-scale shell model (LSSM) calculation using the N$^3$LO interaction [Z.Y. Xu et al., Phys. Rev. Lett. 131, 022501 (2023)], we suggest the decay is dominated by the transformation of a neutron in the $g_{7/2}$ orbital, deep below the Fermi surface, into a proton in the $g_{9/2}$ orbital. We compare the beta-decay half-lives and neutron branching ratios of nuclei with $Z<50$ and $N\geq82$ obtained with our LSSM with those of leading "global" models such as Finite-Range Droplet Model (FRDM). Our calculations match known half-lives and neutron branching ratios well and suggest that current leading models overestimate the yet-to-be-measured half-lives. Our model, backed by the $^{132}$Cd decay data presented here, offers robust predictive power for nuclei of astrophysical interest such as $r$-process waiting points.
format	Preprint
id	arxiv_https___arxiv_org_abs_2412_04333
institution	arXiv
publishDate	2024
record_format	arxiv
spellingShingle	Beta delayed neutron emission of $N=84$ $^{132}$Cd Madurga, M. Xu, Z. Y. Grzywacz, 1 R. Mumpower, M. R. Andreyev, A. Benzoni, G. Borge, M. J. G. Costache, C. Cox, I. Cupp, S. Dimitrov, B. Van Duppen, P. Fraile, L. M. Franchoo, S. Fynbo, H. Gonsalves, B. Gottardo, A. Greenless, P. T. Gross, A. Gross, C. J. Harkness-Brennan, L. J. Hyuse, M. Judson, D. S. Kisyov, S. Kolos, K. Konki, J. Kurzewicz, J. Lazarus, I. Lica, R. Lynch, L. Lund, M. Marginean, N. Marginean, R. Mihai, C. Marroquin, I. Mazzocchi, C. Mengoni, D. Morales, A. I. Nacher, E. Negret, A. Page, R. D. Pascu, S. Paulauskas, S. V. Perea, A. Piersa-Silkowska, M. Pucknell, V. Rahkila, P. Rapisarda, E. Rotaru, F. Sotty, C. Taylor, S. Tengblad, O. Vedia, V. Verney, D. Wadsworth, R. Warr, N. de Witte, H. Nuclear Experiment Nuclear Theory Using the time-of-flight technique, we measured the beta-delayed neutron emission of $^{132}$Cd. From our large-scale shell model (LSSM) calculation using the N$^3$LO interaction [Z.Y. Xu et al., Phys. Rev. Lett. 131, 022501 (2023)], we suggest the decay is dominated by the transformation of a neutron in the $g_{7/2}$ orbital, deep below the Fermi surface, into a proton in the $g_{9/2}$ orbital. We compare the beta-decay half-lives and neutron branching ratios of nuclei with $Z<50$ and $N\geq82$ obtained with our LSSM with those of leading "global" models such as Finite-Range Droplet Model (FRDM). Our calculations match known half-lives and neutron branching ratios well and suggest that current leading models overestimate the yet-to-be-measured half-lives. Our model, backed by the $^{132}$Cd decay data presented here, offers robust predictive power for nuclei of astrophysical interest such as $r$-process waiting points.
title	Beta delayed neutron emission of $N=84$ $^{132}$Cd
topic	Nuclear Experiment Nuclear Theory
url	https://arxiv.org/abs/2412.04333