Conceptual design of a hybrid neutron-gamma detector for study of β-delayed neutrons at the RIB facility of RIKEN
Abstract
Here, the conceptual design of the BRIKEN neutron detector at the radioactive ion beam factory (RIBF) of the RIKEN Nishina Center is reported. The BRIKEN setup is a complex system aimed at detecting heavy-ion implants, β particles, γ rays and β-delayed neutrons. The whole setup includes the Advanced Implantation Detection Array (AIDA), two HPGe Clover detectors and up to 166 3He-filled counters embedded in a high-density polyethylene moderator. The design is quite complex due to the large number and different types of 3He-tubes involved and the additional constraints introduced by the ancillary detectors for charged particles and γ rays. This article reports on a novel methodology developed for the conceptual design and optimisation of the 3He-counter array, aiming for the best possible performance in terms of neutron detection. The algorithm is based on a geometric representation of two selected detector parameters of merit, namely, the average neutron detection efficiency and the efficiency flatness as a function of a reduced number of geometric variables. The response of the neutron detector is obtained from a systematic Monte Carlo simulation implemented in GEANT4. The robustness of the algorithm allowed us to design a versatile detection system, which operated in hybrid mode includes themore »
- Authors:
- more »
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Org.:
- The BRIKEN collaboration
- OSTI Identifier:
- 1486949
- Grant/Contract Number:
- AC05-00OR22725
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Instrumentation
- Additional Journal Information:
- Journal Volume: 12; Journal Issue: 04; Journal ID: ISSN 1748-0221
- Publisher:
- Institute of Physics (IOP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Detector modelling and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc); Instrumentation for radioactive beams (fragmentation devices; fragment and isotope, separators incl. ISOL; isobar separators; ion and atom traps; weak-beam diagnostics; radioactive-beam ion sources); Neutron detectors (cold, thermal, fast neutrons)
Citation Formats
Tarifeño-Saldivia, A., Tain, J. L., Domingo-Pardo, C., Calviño, F., Cortés, G., Phong, V. H., Riego, A., Agramunt, J., Algora, A., Brewer, N., Caballero-Folch, R., Coleman-Smith, P. J., Davinson, T., Dillmann, I., Estradé, A., Griffin, C. J., Grzywacz, R., Harkness-Brennan, L. J., Kiss, G. G., Kogimtzis, M., Labiche, M., Lazarus, I. H., Lorusso, G., Matsui, K., Miernik, K., Montes, F., Morales, A. I., Nishimura, S., Page, R. D., Podolyák, Z. S., Pucknell, V. F. E., Rasco, B. C., Regan, P., Rubio, B., Rykaczewski, K. P., Saito, Y., Sakurai, H., Simpson, J., Sokol, E., Surman, R., Svirkhin, A., Thomas, S. L., Tolosa, A., and Woods, P. Conceptual design of a hybrid neutron-gamma detector for study of β-delayed neutrons at the RIB facility of RIKEN. United States: N. p., 2017.
Web. doi:10.1088/1748-0221/12/04/P04006.
Tarifeño-Saldivia, A., Tain, J. L., Domingo-Pardo, C., Calviño, F., Cortés, G., Phong, V. H., Riego, A., Agramunt, J., Algora, A., Brewer, N., Caballero-Folch, R., Coleman-Smith, P. J., Davinson, T., Dillmann, I., Estradé, A., Griffin, C. J., Grzywacz, R., Harkness-Brennan, L. J., Kiss, G. G., Kogimtzis, M., Labiche, M., Lazarus, I. H., Lorusso, G., Matsui, K., Miernik, K., Montes, F., Morales, A. I., Nishimura, S., Page, R. D., Podolyák, Z. S., Pucknell, V. F. E., Rasco, B. C., Regan, P., Rubio, B., Rykaczewski, K. P., Saito, Y., Sakurai, H., Simpson, J., Sokol, E., Surman, R., Svirkhin, A., Thomas, S. L., Tolosa, A., & Woods, P. Conceptual design of a hybrid neutron-gamma detector for study of β-delayed neutrons at the RIB facility of RIKEN. United States. https://doi.org/10.1088/1748-0221/12/04/P04006
Tarifeño-Saldivia, A., Tain, J. L., Domingo-Pardo, C., Calviño, F., Cortés, G., Phong, V. H., Riego, A., Agramunt, J., Algora, A., Brewer, N., Caballero-Folch, R., Coleman-Smith, P. J., Davinson, T., Dillmann, I., Estradé, A., Griffin, C. J., Grzywacz, R., Harkness-Brennan, L. J., Kiss, G. G., Kogimtzis, M., Labiche, M., Lazarus, I. H., Lorusso, G., Matsui, K., Miernik, K., Montes, F., Morales, A. I., Nishimura, S., Page, R. D., Podolyák, Z. S., Pucknell, V. F. E., Rasco, B. C., Regan, P., Rubio, B., Rykaczewski, K. P., Saito, Y., Sakurai, H., Simpson, J., Sokol, E., Surman, R., Svirkhin, A., Thomas, S. L., Tolosa, A., and Woods, P. Fri .
"Conceptual design of a hybrid neutron-gamma detector for study of β-delayed neutrons at the RIB facility of RIKEN". United States. https://doi.org/10.1088/1748-0221/12/04/P04006. https://www.osti.gov/servlets/purl/1486949.
@article{osti_1486949,
title = {Conceptual design of a hybrid neutron-gamma detector for study of β-delayed neutrons at the RIB facility of RIKEN},
author = {Tarifeño-Saldivia, A. and Tain, J. L. and Domingo-Pardo, C. and Calviño, F. and Cortés, G. and Phong, V. H. and Riego, A. and Agramunt, J. and Algora, A. and Brewer, N. and Caballero-Folch, R. and Coleman-Smith, P. J. and Davinson, T. and Dillmann, I. and Estradé, A. and Griffin, C. J. and Grzywacz, R. and Harkness-Brennan, L. J. and Kiss, G. G. and Kogimtzis, M. and Labiche, M. and Lazarus, I. H. and Lorusso, G. and Matsui, K. and Miernik, K. and Montes, F. and Morales, A. I. and Nishimura, S. and Page, R. D. and Podolyák, Z. S. and Pucknell, V. F. E. and Rasco, B. C. and Regan, P. and Rubio, B. and Rykaczewski, K. P. and Saito, Y. and Sakurai, H. and Simpson, J. and Sokol, E. and Surman, R. and Svirkhin, A. and Thomas, S. L. and Tolosa, A. and Woods, P.},
abstractNote = {Here, the conceptual design of the BRIKEN neutron detector at the radioactive ion beam factory (RIBF) of the RIKEN Nishina Center is reported. The BRIKEN setup is a complex system aimed at detecting heavy-ion implants, β particles, γ rays and β-delayed neutrons. The whole setup includes the Advanced Implantation Detection Array (AIDA), two HPGe Clover detectors and up to 166 3He-filled counters embedded in a high-density polyethylene moderator. The design is quite complex due to the large number and different types of 3He-tubes involved and the additional constraints introduced by the ancillary detectors for charged particles and γ rays. This article reports on a novel methodology developed for the conceptual design and optimisation of the 3He-counter array, aiming for the best possible performance in terms of neutron detection. The algorithm is based on a geometric representation of two selected detector parameters of merit, namely, the average neutron detection efficiency and the efficiency flatness as a function of a reduced number of geometric variables. The response of the neutron detector is obtained from a systematic Monte Carlo simulation implemented in GEANT4. The robustness of the algorithm allowed us to design a versatile detection system, which operated in hybrid mode includes the full neutron counter and two clover detectors for high-precision gamma spectroscopy. In addition, the system can be reconfigured into a compact mode by removing the clover detectors and re-arranging the 3He tubes in order to maximize the neutron detection performance. Both operation modes shows a rather flat and high average efficiency. In summary, we have designed a system which shows an average efficiency for hybrid mode (3He tubes + clovers) of 68.6% and 64% for neutron energies up to 1 and 5 MeV, respectively. For compact mode (only 3He tubes), the average efficiency is 75.7% and 71% for neutron energies up to 1 and 5 MeV, respectively. The performance of the BRIKEN detection system has been also quantified by means of Monte Carlo simulations with different neutron energy distributions.},
doi = {10.1088/1748-0221/12/04/P04006},
journal = {Journal of Instrumentation},
number = 04,
volume = 12,
place = {United States},
year = {Fri Apr 07 00:00:00 EDT 2017},
month = {Fri Apr 07 00:00:00 EDT 2017}
}
Web of Science
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