β-delayed neutron emission of r-process nuclei at the N = 82 shell closure
Abstract
Theoretical models of β-delayed neutron emission are used as crucial inputs in r-process calculations. Benchmarking the predictions of these models is a challenge due to a lack of currently available experimental data. In this work the β-delayed neutron emission probabilities of 33 nuclides in the important mass regions south and south-west of 132Sn are presented, 16 for the first time. The measurements were performed at RIKEN using the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array. The P1n values presented constrain the predictions of theoretical models in the region, affecting the final abundance distribution of the second r-process peak at A ≈ 130.
- Authors:
- more »
- Publication Date:
- Research Org.:
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Programs (DP); USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF); Polish National Science Centre (NCN); JSPS KAKENHI; Spanish Ministerio de Economía y Competitividad; European Commission (EC); National Research Foundation (NRF) in South Korea; National Research Council Canada; NKFIH; National Key Research and Development Program of China; National Natural Science Foundation of China (NSFC)
- OSTI Identifier:
- 1778516
- Alternate Identifier(s):
- OSTI ID: 1776770; OSTI ID: 1798583
- Report Number(s):
- LA-UR-20-30115
Journal ID: ISSN 0370-2693; S0370269321002069; 136266; PII: S0370269321002069
- Grant/Contract Number:
- 89233218CNA000001; FG02-96ER40983; AC05-00OR22725; NA0002132; PHY-1430152; PHY-1565546; PHY-1714153; UMO-2015/15/E/ST2/00217; 2017/01/X/ST2/01144; 2019/33/N/ST2/03023; 2020/36/T/ST2/00547; 14F04808; 17H06090; 25247045; 19340074
- Resource Type:
- Published Article
- Journal Name:
- Physics Letters B
- Additional Journal Information:
- Journal Name: Physics Letters B Journal Volume: 816 Journal Issue: C; Journal ID: ISSN 0370-2693
- Publisher:
- Elsevier
- Country of Publication:
- Netherlands
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; atomic; nuclear and particle physics; β-delayed neutron emission; r-process
Citation Formats
Hall, O., Davinson, T., Estrade, A., Liu, J., Lorusso, G., Montes, F., Nishimura, S., Phong, V. H., Woods, P. J., Agramunt, J., Ahn, D. S., Algora, A., Allmond, J. M., Baba, H., Bae, S., Brewer, N. T., Bruno, C. G., Caballero-Folch, R., Calviño, F., Coleman-Smith, P. J., Cortes, G., Dillmann, I., Domingo-Pardo, C., Fijalkowska, A., Fukuda, N., Go, S., Griffin, C. J., Grzywacz, R., Ha, J., Harkness-Brennan, L. J., Isobe, T., Kahl, D., Khiem, L. H., Kiss, G. G., Korgul, A., Kubono, S., Labiche, M., Lazarus, I., Liang, J., Liu, Z., Matsui, K., Miernik, K., Moon, B., Morales, A. I., Morrall, P., Mumpower, M. R., Nepal, N., Page, R. D., Piersa, M., Pucknell, V. F. E., Rasco, B. C., Rubio, B., Rykaczewski, K. P., Sakurai, H., Shimizu, Y., Stracener, D. W., Sumikama, T., Suzuki, H., Tain, J. L., Takeda, H., Tarifeño-Saldivia, A., Tolosa-Delgado, A., Wolińska-Cichocka, M., and Yokoyama, R. β-delayed neutron emission of r-process nuclei at the N = 82 shell closure. Netherlands: N. p., 2021.
Web. doi:10.1016/j.physletb.2021.136266.
Hall, O., Davinson, T., Estrade, A., Liu, J., Lorusso, G., Montes, F., Nishimura, S., Phong, V. H., Woods, P. J., Agramunt, J., Ahn, D. S., Algora, A., Allmond, J. M., Baba, H., Bae, S., Brewer, N. T., Bruno, C. G., Caballero-Folch, R., Calviño, F., Coleman-Smith, P. J., Cortes, G., Dillmann, I., Domingo-Pardo, C., Fijalkowska, A., Fukuda, N., Go, S., Griffin, C. J., Grzywacz, R., Ha, J., Harkness-Brennan, L. J., Isobe, T., Kahl, D., Khiem, L. H., Kiss, G. G., Korgul, A., Kubono, S., Labiche, M., Lazarus, I., Liang, J., Liu, Z., Matsui, K., Miernik, K., Moon, B., Morales, A. I., Morrall, P., Mumpower, M. R., Nepal, N., Page, R. D., Piersa, M., Pucknell, V. F. E., Rasco, B. C., Rubio, B., Rykaczewski, K. P., Sakurai, H., Shimizu, Y., Stracener, D. W., Sumikama, T., Suzuki, H., Tain, J. L., Takeda, H., Tarifeño-Saldivia, A., Tolosa-Delgado, A., Wolińska-Cichocka, M., & Yokoyama, R. β-delayed neutron emission of r-process nuclei at the N = 82 shell closure. Netherlands. https://doi.org/10.1016/j.physletb.2021.136266
Hall, O., Davinson, T., Estrade, A., Liu, J., Lorusso, G., Montes, F., Nishimura, S., Phong, V. H., Woods, P. J., Agramunt, J., Ahn, D. S., Algora, A., Allmond, J. M., Baba, H., Bae, S., Brewer, N. T., Bruno, C. G., Caballero-Folch, R., Calviño, F., Coleman-Smith, P. J., Cortes, G., Dillmann, I., Domingo-Pardo, C., Fijalkowska, A., Fukuda, N., Go, S., Griffin, C. J., Grzywacz, R., Ha, J., Harkness-Brennan, L. J., Isobe, T., Kahl, D., Khiem, L. H., Kiss, G. G., Korgul, A., Kubono, S., Labiche, M., Lazarus, I., Liang, J., Liu, Z., Matsui, K., Miernik, K., Moon, B., Morales, A. I., Morrall, P., Mumpower, M. R., Nepal, N., Page, R. D., Piersa, M., Pucknell, V. F. E., Rasco, B. C., Rubio, B., Rykaczewski, K. P., Sakurai, H., Shimizu, Y., Stracener, D. W., Sumikama, T., Suzuki, H., Tain, J. L., Takeda, H., Tarifeño-Saldivia, A., Tolosa-Delgado, A., Wolińska-Cichocka, M., and Yokoyama, R. Sat .
"β-delayed neutron emission of r-process nuclei at the N = 82 shell closure". Netherlands. https://doi.org/10.1016/j.physletb.2021.136266.
@article{osti_1778516,
title = {β-delayed neutron emission of r-process nuclei at the N = 82 shell closure},
author = {Hall, O. and Davinson, T. and Estrade, A. and Liu, J. and Lorusso, G. and Montes, F. and Nishimura, S. and Phong, V. H. and Woods, P. J. and Agramunt, J. and Ahn, D. S. and Algora, A. and Allmond, J. M. and Baba, H. and Bae, S. and Brewer, N. T. and Bruno, C. G. and Caballero-Folch, R. and Calviño, F. and Coleman-Smith, P. J. and Cortes, G. and Dillmann, I. and Domingo-Pardo, C. and Fijalkowska, A. and Fukuda, N. and Go, S. and Griffin, C. J. and Grzywacz, R. and Ha, J. and Harkness-Brennan, L. J. and Isobe, T. and Kahl, D. and Khiem, L. H. and Kiss, G. G. and Korgul, A. and Kubono, S. and Labiche, M. and Lazarus, I. and Liang, J. and Liu, Z. and Matsui, K. and Miernik, K. and Moon, B. and Morales, A. I. and Morrall, P. and Mumpower, M. R. and Nepal, N. and Page, R. D. and Piersa, M. and Pucknell, V. F. E. and Rasco, B. C. and Rubio, B. and Rykaczewski, K. P. and Sakurai, H. and Shimizu, Y. and Stracener, D. W. and Sumikama, T. and Suzuki, H. and Tain, J. L. and Takeda, H. and Tarifeño-Saldivia, A. and Tolosa-Delgado, A. and Wolińska-Cichocka, M. and Yokoyama, R.},
abstractNote = {Theoretical models of β-delayed neutron emission are used as crucial inputs in r-process calculations. Benchmarking the predictions of these models is a challenge due to a lack of currently available experimental data. In this work the β-delayed neutron emission probabilities of 33 nuclides in the important mass regions south and south-west of 132Sn are presented, 16 for the first time. The measurements were performed at RIKEN using the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array. The P1n values presented constrain the predictions of theoretical models in the region, affecting the final abundance distribution of the second r-process peak at A ≈ 130.},
doi = {10.1016/j.physletb.2021.136266},
journal = {Physics Letters B},
number = C,
volume = 816,
place = {Netherlands},
year = {Sat May 01 00:00:00 EDT 2021},
month = {Sat May 01 00:00:00 EDT 2021}
}
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