Performance of newly constructed plastic scintillator barrel in the WASA-FRS experiments and evaluation of radiation damage effects on multi-pixel photon counter

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Main Authors:	Tanaka, Y. K., Sekiya, R., Itahashi, K., Alfaki, H. Alibrahim, Amjad, F., Armstrong, M., Behr, K. -H., Benlliure, J., Brencic, Z., Dickel, T., Drozd, V., Dubey, S., Ekawa, H., Escrig, S., Feijoo-Fontán, M., Fujioka, H., Gao, Y., Geissel, H., Goldenbaum, F., González, A. Graña, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Iwasaki, M., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Kindler, B., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Lommel, B., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Nakagawa, M., Nociforo, C., Ong, H. J., Pietri, S., Purushothaman, S., Rappold, C., Rocco, E., Rodríguez-Sánchez, J. L., Roy, P., Ruber, R., Saito, T. R., Schadmand, S., Scheidenberger, C., Schwarz, P., Serdyuk, V., Skurzok, M., Streicher, B., Suzuki, K., Szczepanczyk, B., Tang, X., Tortorelli, N., Vencelj, M., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Zhao, J., Collaboration, for WASA-FRS/Super-FRS Experiment
Format:	Preprint
Published:	2025
Subjects:	Instrumentation and Detectors Nuclear Experiment
Online Access:	Acceder al recurso
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author	Tanaka, Y. K. Sekiya, R. Itahashi, K. Alfaki, H. Alibrahim Amjad, F. Armstrong, M. Behr, K. -H. Benlliure, J. Brencic, Z. Dickel, T. Drozd, V. Dubey, S. Ekawa, H. Escrig, S. Feijoo-Fontán, M. Fujioka, H. Gao, Y. Geissel, H. Goldenbaum, F. González, A. Graña Haettner, E. Harakeh, M. N. He, Y. Heggen, H. Hornung, C. Hubbard, N. Iwasaki, M. Kalantar-Nayestanaki, N. Kasagi, A. Kavatsyuk, M. Kazantseva, E. Khreptak, A. Kindler, B. Kollmus, H. Kostyleva, D. Kraft-Bermuth, S. Kurz, N. Liu, E. Lommel, B. Minami, S. Morrissey, D. J. Moskal, P. Mukha, I. Nakagawa, M. Nociforo, C. Ong, H. J. Pietri, S. Purushothaman, S. Rappold, C. Rocco, E. Rodríguez-Sánchez, J. L. Roy, P. Ruber, R. Saito, T. R. Schadmand, S. Scheidenberger, C. Schwarz, P. Serdyuk, V. Skurzok, M. Streicher, B. Suzuki, K. Szczepanczyk, B. Tang, X. Tortorelli, N. Vencelj, M. Weber, T. Weick, H. Will, M. Wimmer, K. Yamamoto, A. Yanai, A. Zhao, J. Collaboration, for WASA-FRS/Super-FRS Experiment
author_facet	Tanaka, Y. K. Sekiya, R. Itahashi, K. Alfaki, H. Alibrahim Amjad, F. Armstrong, M. Behr, K. -H. Benlliure, J. Brencic, Z. Dickel, T. Drozd, V. Dubey, S. Ekawa, H. Escrig, S. Feijoo-Fontán, M. Fujioka, H. Gao, Y. Geissel, H. Goldenbaum, F. González, A. Graña Haettner, E. Harakeh, M. N. He, Y. Heggen, H. Hornung, C. Hubbard, N. Iwasaki, M. Kalantar-Nayestanaki, N. Kasagi, A. Kavatsyuk, M. Kazantseva, E. Khreptak, A. Kindler, B. Kollmus, H. Kostyleva, D. Kraft-Bermuth, S. Kurz, N. Liu, E. Lommel, B. Minami, S. Morrissey, D. J. Moskal, P. Mukha, I. Nakagawa, M. Nociforo, C. Ong, H. J. Pietri, S. Purushothaman, S. Rappold, C. Rocco, E. Rodríguez-Sánchez, J. L. Roy, P. Ruber, R. Saito, T. R. Schadmand, S. Scheidenberger, C. Schwarz, P. Serdyuk, V. Skurzok, M. Streicher, B. Suzuki, K. Szczepanczyk, B. Tang, X. Tortorelli, N. Vencelj, M. Weber, T. Weick, H. Will, M. Wimmer, K. Yamamoto, A. Yanai, A. Zhao, J. Collaboration, for WASA-FRS/Super-FRS Experiment
contents	A barrel-shaped plastic scintillation counter with Multi-Pixel Photon Counter (MPPC) readout has been developed and operated in the first WASA-FRS experimental campaign at GSI. The detector was used to measure charged particles emitted from reactions induced by a 2.5 GeV proton beam incident on a carbon target, providing particle identification in combination with momentum reconstruction in a 1 T magnetic field. The performance of this detector, particularly its response to energy deposition and time resolution, was systematically investigated as a function of count rate and total number of irradiating protons. A time resolution of 45-75 ps ($σ$), depending on the energy deposition, was achieved. Stable performance was maintained under high-rate conditions up to 1.35 MHz per single counter, with no significant degradation in either signal amplitude or timing response. Radiation-induced damage to the MPPCs was observed primarily as a reduction in signal amplitude, with approximately $35\%$ decrease at an estimated 1 MeV neutron-equivalent fluence of $2.4 \times 10^{10}$ cm$^{-2}$.
format	Preprint
id	arxiv_https___arxiv_org_abs_2507_10454
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Performance of newly constructed plastic scintillator barrel in the WASA-FRS experiments and evaluation of radiation damage effects on multi-pixel photon counter Tanaka, Y. K. Sekiya, R. Itahashi, K. Alfaki, H. Alibrahim Amjad, F. Armstrong, M. Behr, K. -H. Benlliure, J. Brencic, Z. Dickel, T. Drozd, V. Dubey, S. Ekawa, H. Escrig, S. Feijoo-Fontán, M. Fujioka, H. Gao, Y. Geissel, H. Goldenbaum, F. González, A. Graña Haettner, E. Harakeh, M. N. He, Y. Heggen, H. Hornung, C. Hubbard, N. Iwasaki, M. Kalantar-Nayestanaki, N. Kasagi, A. Kavatsyuk, M. Kazantseva, E. Khreptak, A. Kindler, B. Kollmus, H. Kostyleva, D. Kraft-Bermuth, S. Kurz, N. Liu, E. Lommel, B. Minami, S. Morrissey, D. J. Moskal, P. Mukha, I. Nakagawa, M. Nociforo, C. Ong, H. J. Pietri, S. Purushothaman, S. Rappold, C. Rocco, E. Rodríguez-Sánchez, J. L. Roy, P. Ruber, R. Saito, T. R. Schadmand, S. Scheidenberger, C. Schwarz, P. Serdyuk, V. Skurzok, M. Streicher, B. Suzuki, K. Szczepanczyk, B. Tang, X. Tortorelli, N. Vencelj, M. Weber, T. Weick, H. Will, M. Wimmer, K. Yamamoto, A. Yanai, A. Zhao, J. Collaboration, for WASA-FRS/Super-FRS Experiment Instrumentation and Detectors Nuclear Experiment A barrel-shaped plastic scintillation counter with Multi-Pixel Photon Counter (MPPC) readout has been developed and operated in the first WASA-FRS experimental campaign at GSI. The detector was used to measure charged particles emitted from reactions induced by a 2.5 GeV proton beam incident on a carbon target, providing particle identification in combination with momentum reconstruction in a 1 T magnetic field. The performance of this detector, particularly its response to energy deposition and time resolution, was systematically investigated as a function of count rate and total number of irradiating protons. A time resolution of 45-75 ps ($σ$), depending on the energy deposition, was achieved. Stable performance was maintained under high-rate conditions up to 1.35 MHz per single counter, with no significant degradation in either signal amplitude or timing response. Radiation-induced damage to the MPPCs was observed primarily as a reduction in signal amplitude, with approximately $35\%$ decrease at an estimated 1 MeV neutron-equivalent fluence of $2.4 \times 10^{10}$ cm$^{-2}$.
title	Performance of newly constructed plastic scintillator barrel in the WASA-FRS experiments and evaluation of radiation damage effects on multi-pixel photon counter
topic	Instrumentation and Detectors Nuclear Experiment
url	https://arxiv.org/abs/2507.10454