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Author

Sekiya, R., Itahashi, K., Tanaka, Y. 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-fontan, M., Fujioka, H., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, 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., Metag, V., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Nakagawa, M., Nanova, M., Nociforo, C., Ong, H. J., Pietri, S., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, 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., Sekiya, R., Itahashi, K., Tanaka, Y. 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-fontan, M., Fujioka, H., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, 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., Metag, V., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Nakagawa, M., Nanova, M., Nociforo, C., Ong, H. J., Pietri, S., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, 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., and Zhao, J.

Published
2024
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2. Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning

Author

Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., Zhao, J., Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., and Zhao, J.

Abstract

Interests on few-body hypernuclei have been increased by recent results of experiments employing relativistic heavy ion beams. Some of the experiments have revealed that the lifetime of the lightest hypernucleus, hypertriton, is significantly shorter than 263 ps which is expected by considering the hypertriton to be a weakly-bound system. The STAR collaboration has also measured the hypertriton binding energy, and the deduced value is contradicting to its formerly known small binding energy. These measurements have indicated that the fundamental physics quantities of the hypertriton such as its lifetime and binding energy have not been understood, therefore, they have to be measured very precisely. Furthermore, an unprecedented Lambda nn bound state observed by the HypHI collaboration has to be studied in order to draw a conclusion whether or not such a bound state exists. These three-body hypernuclear states are studied by the heavy-ion beam data in the WASA-FRS experiment and by analysing J-PARC E07 nuclear emulsion data with machine learning.

Published
2023
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3. Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning

Author

Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., Zhao, J., Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., and Zhao, J.

Abstract

Interests on few-body hypernuclei have been increased by recent results of experiments employing relativistic heavy ion beams. Some of the experiments have revealed that the lifetime of the lightest hypernucleus, hypertriton, is significantly shorter than 263 ps which is expected by considering the hypertriton to be a weakly-bound system. The STAR collaboration has also measured the hypertriton binding energy, and the deduced value is contradicting to its formerly known small binding energy. These measurements have indicated that the fundamental physics quantities of the hypertriton such as its lifetime and binding energy have not been understood, therefore, they have to be measured very precisely. Furthermore, an unprecedented Lambda nn bound state observed by the HypHI collaboration has to be studied in order to draw a conclusion whether or not such a bound state exists. These three-body hypernuclear states are studied by the heavy-ion beam data in the WASA-FRS experiment and by analysing J-PARC E07 nuclear emulsion data with machine learning.

Published
2023
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4. Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning

Author

Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., Zhao, J., Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., and Zhao, J.

Abstract

Interests on few-body hypernuclei have been increased by recent results of experiments employing relativistic heavy ion beams. Some of the experiments have revealed that the lifetime of the lightest hypernucleus, hypertriton, is significantly shorter than 263 ps which is expected by considering the hypertriton to be a weakly-bound system. The STAR collaboration has also measured the hypertriton binding energy, and the deduced value is contradicting to its formerly known small binding energy. These measurements have indicated that the fundamental physics quantities of the hypertriton such as its lifetime and binding energy have not been understood, therefore, they have to be measured very precisely. Furthermore, an unprecedented Lambda nn bound state observed by the HypHI collaboration has to be studied in order to draw a conclusion whether or not such a bound state exists. These three-body hypernuclear states are studied by the heavy-ion beam data in the WASA-FRS experiment and by analysing J-PARC E07 nuclear emulsion data with machine learning.

Published
2023
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5. The WASA-FRS project at GSI and its perspective

Author

Saito, T. R., Achenbach, P., 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-Fontan, M., Fujioka, H., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grafia, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Iwasaki, M., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Kindler, B., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Lommel, B., Metag, V., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Suzuki, K., Szczepanczyk, B., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Zhao, J., Saito, T. R., Achenbach, P., 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-Fontan, M., Fujioka, H., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grafia, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Iwasaki, M., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Kindler, B., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Lommel, B., Metag, V., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Suzuki, K., Szczepanczyk, B., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., and Zhao, J.

Abstract

A novel technique to study bound states of exotic hadrons in subatomic nuclei, such as hypernuclei and mesic nuclei, has been developed by employing the Fragment Separator FRS and the WASA central detector at GSI. Two experiments, S447 for studying light hypernuclei, especially hypertriton and a Ann bound state, and S490 for searching for ri' mesic-nuclei, were recently performed. Data analyses are currently in progress, and light charged particles such as protons and x & PLUSMN; are clearly observed and identified in the both experiments. For S447, light nuclear fragments that can also be residual nuclei from decays of hypernuclei of interests have been analysed by the FRS, and a momentum resolution, Ap/p, of 5 x 10-4 has been achieved. Further data analyses are to be completed. The WASA-FRS project will be continued and extended with the FRS at FAIR Phase 0, and upgrading of the WASA magnet and detectors is currently in progress. Furthermore, construction of a larger detector system with the Super-FRS at FAIR Phase 1 is also under consideration.

Published
2023
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6. Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning

Author

Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., Zhao, J., Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., and Zhao, J.

Abstract

Interests on few-body hypernuclei have been increased by recent results of experiments employing relativistic heavy ion beams. Some of the experiments have revealed that the lifetime of the lightest hypernucleus, hypertriton, is significantly shorter than 263 ps which is expected by considering the hypertriton to be a weakly-bound system. The STAR collaboration has also measured the hypertriton binding energy, and the deduced value is contradicting to its formerly known small binding energy. These measurements have indicated that the fundamental physics quantities of the hypertriton such as its lifetime and binding energy have not been understood, therefore, they have to be measured very precisely. Furthermore, an unprecedented Lambda nn bound state observed by the HypHI collaboration has to be studied in order to draw a conclusion whether or not such a bound state exists. These three-body hypernuclear states are studied by the heavy-ion beam data in the WASA-FRS experiment and by analysing J-PARC E07 nuclear emulsion data with machine learning.

Published
2023
Full Text
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7. Studies of three-and four-body hypernuclei with heavy-ion beams, nuclear emulsions and machine learning

Author

Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., Zhao, J., Saito, T. R., Achenbach, P., 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-Fontan, M., Gao, Y., Geissel, H., Goldenbaum, F., Gonzalez, A. Grana, Haettner, E., Harakeh, M. N., He, Y., Heggen, H., Hornung, C., Hubbard, N., Itahashi, K., Kalantar-Nayestanaki, N., Kasagi, A., Kavatsyuk, M., Kazantseva, E., Khreptak, A., Knoebel, R., Kollmus, H., Kostyleva, D., Kraft-Bermuth, S., Kurz, N., Liu, E., Minami, S., Morrissey, D. J., Moskal, P., Mukha, I., Muneem, A., Nakagawa, M., Nakazawa, K., Nociforo, C., Ong, H. J., Pietri, S., Pochodzalla, J., Purushothaman, S., Rappold, C., Rocco, E., Rodriguez-Sanchez, J. L., Roy, P., Ruber, Roger, Saito, N., Schadmand, S., Scheidenberger, C., Schwarz, P., Sekiya, R., Serdyuk, V., Skurzok, M., Streicher, B., Sugimoto, S., Suzuki, K., Szczepanczyk, B., Taki, M., Tanaka, Y. K., Tang, X., Tortorelli, N., Vencelj, M., Wang, H., Weber, T., Weick, H., Will, M., Wimmer, K., Yamamoto, A., Yanai, A., Yoshida, J., Yoshimoto, M., and Zhao, J.

Abstract

Interests on few-body hypernuclei have been increased by recent results of experiments employing relativistic heavy ion beams. Some of the experiments have revealed that the lifetime of the lightest hypernucleus, hypertriton, is significantly shorter than 263 ps which is expected by considering the hypertriton to be a weakly-bound system. The STAR collaboration has also measured the hypertriton binding energy, and the deduced value is contradicting to its formerly known small binding energy. These measurements have indicated that the fundamental physics quantities of the hypertriton such as its lifetime and binding energy have not been understood, therefore, they have to be measured very precisely. Furthermore, an unprecedented Lambda nn bound state observed by the HypHI collaboration has to be studied in order to draw a conclusion whether or not such a bound state exists. These three-body hypernuclear states are studied by the heavy-ion beam data in the WASA-FRS experiment and by analysing J-PARC E07 nuclear emulsion data with machine learning.

Published
2023
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8. Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR

Author

Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., Zhao, J., Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., and Zhao, J.

Abstract

We plan a semi-exclusive measurement of the C-12(p,dp) reaction to search for eta'-mesic nuclei, aiming at investigating in-medium properties of the eta'-meson. We employ a 2.5 GeV proton beam impinging on a carbon target to produce eta'-mesic C-11 nuclei via the C-12(p,d)eta'circle times C-11 reaction. Using coincidence measurements of the forward going deuterons, important for missing-mass spectroscopy, and decay protons emitted from the eta'-mesic nuclei for event selection will provide a high experimental sensitivity to observe eta'-mesic nuclei. We will perform the measurements by combining the WASA detector system with the fragment separator FRS at GSI and also with the Super-FRS at FAIR in the future. The plan of the experiments and the present status are reported.

Published
2020
Full Text
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9. Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR

Author

Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., Zhao, J., Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., and Zhao, J.

Abstract

We plan a semi-exclusive measurement of the C-12(p,dp) reaction to search for eta'-mesic nuclei, aiming at investigating in-medium properties of the eta'-meson. We employ a 2.5 GeV proton beam impinging on a carbon target to produce eta'-mesic C-11 nuclei via the C-12(p,d)eta'circle times C-11 reaction. Using coincidence measurements of the forward going deuterons, important for missing-mass spectroscopy, and decay protons emitted from the eta'-mesic nuclei for event selection will provide a high experimental sensitivity to observe eta'-mesic nuclei. We will perform the measurements by combining the WASA detector system with the fragment separator FRS at GSI and also with the Super-FRS at FAIR in the future. The plan of the experiments and the present status are reported.

Published
2020
Full Text
View/download PDF

10. Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR

Author

Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., Zhao, J., Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., and Zhao, J.

Abstract

We plan a semi-exclusive measurement of the C-12(p,dp) reaction to search for eta'-mesic nuclei, aiming at investigating in-medium properties of the eta'-meson. We employ a 2.5 GeV proton beam impinging on a carbon target to produce eta'-mesic C-11 nuclei via the C-12(p,d)eta'circle times C-11 reaction. Using coincidence measurements of the forward going deuterons, important for missing-mass spectroscopy, and decay protons emitted from the eta'-mesic nuclei for event selection will provide a high experimental sensitivity to observe eta'-mesic nuclei. We will perform the measurements by combining the WASA detector system with the fragment separator FRS at GSI and also with the Super-FRS at FAIR in the future. The plan of the experiments and the present status are reported.

Published
2020
Full Text
View/download PDF

11. Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR

Author

Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., Zhao, J., Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., and Zhao, J.

Abstract

We plan a semi-exclusive measurement of the C-12(p,dp) reaction to search for eta'-mesic nuclei, aiming at investigating in-medium properties of the eta'-meson. We employ a 2.5 GeV proton beam impinging on a carbon target to produce eta'-mesic C-11 nuclei via the C-12(p,d)eta'circle times C-11 reaction. Using coincidence measurements of the forward going deuterons, important for missing-mass spectroscopy, and decay protons emitted from the eta'-mesic nuclei for event selection will provide a high experimental sensitivity to observe eta'-mesic nuclei. We will perform the measurements by combining the WASA detector system with the fragment separator FRS at GSI and also with the Super-FRS at FAIR in the future. The plan of the experiments and the present status are reported.

Published
2020
Full Text
View/download PDF

12. Search for eta '-mesic nuclei using (p,d) reaction with FRS/Super-FRS at GSI/FAIR

Author

Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., Zhao, J., Tanaka, Y. K., Bagchi, S., Benlliure, J., Dickel, T., Drozd, V, Ekawa, H., Fujioka, H., Geissel, H., Goldenbaum, F., Guo, C., Haettner, E., Harakeh, M. N., Hayano, R. S., Hirenzaki, S., Hornung, C., Igarashi, Y., Ikeno, N., Itahashi, K., Iwasaki, M., Jido, D., Kalantar-Nayestanaki, N., Kanungo, R., Kindler, B., Knoebel, R., Kostyleva, D., Kurz, N., Kuzminchuk, N., Lommel, B., Ma, Y., Matsumoto, S. Y., Metag, V, Minami, S., Moskal, P., Mukha, I, Nagae, T., Nagahiro, H., Nakagawa, M., Ong, H. J., Outa, H., Pietri, S., Plass, W. R., Prochazka, A., Purushothaman, S., Rappold, C., Ritman, J., Rodriguez-Sanchez, J. L., Ruber, Roger, Rundel, O., Saito, T. R., Scheidenberger, C., Sekiya, R., Serdyuk, V, Simon, H., Sitar, B., Skurzok, M., Strmen, P., Sun, B., Szarka, I, Takechi, M., Tanihata, I, Terashima, S., Weick, H., Yamamoto, A., and Zhao, J.

Abstract

We plan a semi-exclusive measurement of the C-12(p,dp) reaction to search for eta'-mesic nuclei, aiming at investigating in-medium properties of the eta'-meson. We employ a 2.5 GeV proton beam impinging on a carbon target to produce eta'-mesic C-11 nuclei via the C-12(p,d)eta'circle times C-11 reaction. Using coincidence measurements of the forward going deuterons, important for missing-mass spectroscopy, and decay protons emitted from the eta'-mesic nuclei for event selection will provide a high experimental sensitivity to observe eta'-mesic nuclei. We will perform the measurements by combining the WASA detector system with the fragment separator FRS at GSI and also with the Super-FRS at FAIR in the future. The plan of the experiments and the present status are reported.

Published
2020
Full Text
View/download PDF

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