Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne
Abstract
Detailed γ-ray spectroscopy of the exotic neon isotope 28Ne has been performed for the first time using the one-neutron removal reaction from 29Ne on a liquid hydrogen target at 240 MeV/nucleon. Based on an analysis of parallel momentum distributions, a level scheme with spin-parity assignments has been constructed for 28Ne and the negative-parity states are identified for the first time. The measured partial cross sections and momentum distributions reveal a significant intruder p-wave strength providing evidence of the breakdown of the N=20 and N=28 shell gaps. Only a weak, possible f-wave strength was observed to bound final states. Large-scale shell-model calculations with different effective interactions do not reproduce the large p-wave and small f-wave strength observed experimentally, indicating an ongoing challenge for a complete theoretical description of the transition into the island of inversion along the Ne isotopic chain.
- Authors:
-
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- Inst. of Physical and Chemical Research (RIKEN), Wako (Japan)
- Tokyo Institute of Technology (Japan)
- Tokyo Institute of Technology (Japan); Univ. of Surrey, Guildford (United Kingdom)
- Kyushu Univ., Fukuoka (Japan); Osaka Univ. (Japan)
- Univ. of Tokyo (Japan); RIKEN, Saitama (Japan)
- Univ. Autonoma de Madrid (Spain)
- Univ. of Tsukuba (Japan)
- Japan Atomic Energy Agency (JAEA), Tokai (Japan)
- Normandie Université (France); Centre National de la Recherche Scientifique (CNRS) (France)
- Lebanese University, Beirut (Lebanon)
- Technische Univ. Darmstadt (Germany)
- Technische Univ. Darmstadt (Germany); GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany)
- RIKEN, Saitama (Japan)
- GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany)
- Univ. Paris-Saclay, Gif-sur-Yvette (France); Alternative Energies and Atomic Energy Commission (CEA) (France)
- Institute of Basic Science (IBS), Daejeon (Korea, Republic of)
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- MTA Atomki, Debrecen (Hungary)
- Univ. of Groningen (Netherlands)
- Ruđer Bošković Institute (Croatia); GSI-Helmholtzzentrum fur Schwerionenforschung, Darmstadt (Germany)
- Argonne National Laboratory (ANL), Argonne, IL (United States)
- Eötvös Loránd University (Hungary)
- Kyushu Univ., Fukuoka (Japan)
- Tohoku Univ. (Japan)
- Univ. of Tokyo (Japan)
- Chalmers University of Technology, Gothenburg (Sweden)
- Univ. zu Koln (Germany)
- Michigan State Univ., East Lansing, MI (United States)
- Kyoto Univ. (Japan)
- Normandie Université (France); Centre National de la Recherche Scientifique (CNRS) (France); Grand Accelerateur National d'Ions Lourds (GANIL); Alternative Energies and Atomic Energy Commission (CEA) (France); Univ. Paris-Saclay, Gif-sur-Yvette (France)
- Seoul National Univ. (Korea, Republic of)
- Centre National de la Recherche Scientifique (CNRS) (France); Grand Accelerateur National d'Ions Lourds (GANIL); Alternative Energies and Atomic Energy Commission (CEA) (France)
- Institute of Basic Science (IBS), Daejeon (Korea, Republic of); RIKEN, Saitama (Japan)
- Osaka Univ. (Japan)
- Publication Date:
- Research Org.:
- Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 2282059
- Grant/Contract Number:
- AC02-05CH11231; AC02-06CH11357
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physics Letters. B
- Additional Journal Information:
- Journal Volume: 843; Journal ID: ISSN 0370-2693
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; in-beam γ-ray spectroscopy; island of inversion; shell evolution
Citation Formats
Wang, H., Yasuda, M., Kondo, Y., Nakamura, T., Tostevin, J. A., Ogata, K., Otsuka, T., Poves, A., Shimizu, N., Yoshida, K., Achouri, N. L., Al Falou, H., Atar, L., Aumann, T., Baba, H., Boretzky, K., Caesar, C., Calvet, D., Chae, H., Chiga, N., Corsi, A., Crawford, H. L., Delaunay, F., Delbart, A., Deshayes, Q., Dombrádi, Zs, Douma, C., Elekes, Z., Fallon, P., Gašparić, I., Gheller, J. -M., Gibelin, J., Gillibert, A., Harakeh, M. N., Hirayama, A., Hoffman, C. R., Holl, M., Horvat, A., Horváth, Á., Hwang, J. W., Isobe, T., Kahlbow, J., Kalantar-Nayestanaki, N., Kawase, S., Kim, S., Kisamori, K., Kobayashi, T., Körper, D., Koyama, S., Kuti, I., Lapoux, V., Lindberg, S., Marqués, F. M., Masuoka, S., Mayer, J., Miki, K., Murakami, T., Najafi, M. A., Nakano, K., Nakatsuka, N., Nilsson, T., Obertelli, A., Orr, N. A., Otsu, H., Ozaki, T., Panin, V., Paschalis, S., Revel, A., Rossi, D., Saito, A. T., Saito, T., Sasano, M., Sato, H., Satou, Y., Scheit, H., Schindler, F., Schrock, P., Shikata, M., Shimizu, Y., Simon, H., Sohler, D., Sorlin, O., Stuhl, L., Takeuchi, S., Tanaka, M., Thoennessen, M., Törnqvist, H., Togano, Y., Tomai, T., Tscheuschner, J., Tsubota, J., Uesaka, T., Yang, Z., and Yoneda, K. Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne. United States: N. p., 2023.
Web. doi:10.1016/j.physletb.2023.138038.
Wang, H., Yasuda, M., Kondo, Y., Nakamura, T., Tostevin, J. A., Ogata, K., Otsuka, T., Poves, A., Shimizu, N., Yoshida, K., Achouri, N. L., Al Falou, H., Atar, L., Aumann, T., Baba, H., Boretzky, K., Caesar, C., Calvet, D., Chae, H., Chiga, N., Corsi, A., Crawford, H. L., Delaunay, F., Delbart, A., Deshayes, Q., Dombrádi, Zs, Douma, C., Elekes, Z., Fallon, P., Gašparić, I., Gheller, J. -M., Gibelin, J., Gillibert, A., Harakeh, M. N., Hirayama, A., Hoffman, C. R., Holl, M., Horvat, A., Horváth, Á., Hwang, J. W., Isobe, T., Kahlbow, J., Kalantar-Nayestanaki, N., Kawase, S., Kim, S., Kisamori, K., Kobayashi, T., Körper, D., Koyama, S., Kuti, I., Lapoux, V., Lindberg, S., Marqués, F. M., Masuoka, S., Mayer, J., Miki, K., Murakami, T., Najafi, M. A., Nakano, K., Nakatsuka, N., Nilsson, T., Obertelli, A., Orr, N. A., Otsu, H., Ozaki, T., Panin, V., Paschalis, S., Revel, A., Rossi, D., Saito, A. T., Saito, T., Sasano, M., Sato, H., Satou, Y., Scheit, H., Schindler, F., Schrock, P., Shikata, M., Shimizu, Y., Simon, H., Sohler, D., Sorlin, O., Stuhl, L., Takeuchi, S., Tanaka, M., Thoennessen, M., Törnqvist, H., Togano, Y., Tomai, T., Tscheuschner, J., Tsubota, J., Uesaka, T., Yang, Z., & Yoneda, K. Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne. United States. https://doi.org/10.1016/j.physletb.2023.138038
Wang, H., Yasuda, M., Kondo, Y., Nakamura, T., Tostevin, J. A., Ogata, K., Otsuka, T., Poves, A., Shimizu, N., Yoshida, K., Achouri, N. L., Al Falou, H., Atar, L., Aumann, T., Baba, H., Boretzky, K., Caesar, C., Calvet, D., Chae, H., Chiga, N., Corsi, A., Crawford, H. L., Delaunay, F., Delbart, A., Deshayes, Q., Dombrádi, Zs, Douma, C., Elekes, Z., Fallon, P., Gašparić, I., Gheller, J. -M., Gibelin, J., Gillibert, A., Harakeh, M. N., Hirayama, A., Hoffman, C. R., Holl, M., Horvat, A., Horváth, Á., Hwang, J. W., Isobe, T., Kahlbow, J., Kalantar-Nayestanaki, N., Kawase, S., Kim, S., Kisamori, K., Kobayashi, T., Körper, D., Koyama, S., Kuti, I., Lapoux, V., Lindberg, S., Marqués, F. M., Masuoka, S., Mayer, J., Miki, K., Murakami, T., Najafi, M. A., Nakano, K., Nakatsuka, N., Nilsson, T., Obertelli, A., Orr, N. A., Otsu, H., Ozaki, T., Panin, V., Paschalis, S., Revel, A., Rossi, D., Saito, A. T., Saito, T., Sasano, M., Sato, H., Satou, Y., Scheit, H., Schindler, F., Schrock, P., Shikata, M., Shimizu, Y., Simon, H., Sohler, D., Sorlin, O., Stuhl, L., Takeuchi, S., Tanaka, M., Thoennessen, M., Törnqvist, H., Togano, Y., Tomai, T., Tscheuschner, J., Tsubota, J., Uesaka, T., Yang, Z., and Yoneda, K. Tue .
"Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne". United States. https://doi.org/10.1016/j.physletb.2023.138038. https://www.osti.gov/servlets/purl/2282059.
@article{osti_2282059,
title = {Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne},
author = {Wang, H. and Yasuda, M. and Kondo, Y. and Nakamura, T. and Tostevin, J. A. and Ogata, K. and Otsuka, T. and Poves, A. and Shimizu, N. and Yoshida, K. and Achouri, N. L. and Al Falou, H. and Atar, L. and Aumann, T. and Baba, H. and Boretzky, K. and Caesar, C. and Calvet, D. and Chae, H. and Chiga, N. and Corsi, A. and Crawford, H. L. and Delaunay, F. and Delbart, A. and Deshayes, Q. and Dombrádi, Zs and Douma, C. and Elekes, Z. and Fallon, P. and Gašparić, I. and Gheller, J. -M. and Gibelin, J. and Gillibert, A. and Harakeh, M. N. and Hirayama, A. and Hoffman, C. R. and Holl, M. and Horvat, A. and Horváth, Á. and Hwang, J. W. and Isobe, T. and Kahlbow, J. and Kalantar-Nayestanaki, N. and Kawase, S. and Kim, S. and Kisamori, K. and Kobayashi, T. and Körper, D. and Koyama, S. and Kuti, I. and Lapoux, V. and Lindberg, S. and Marqués, F. M. and Masuoka, S. and Mayer, J. and Miki, K. and Murakami, T. and Najafi, M. A. and Nakano, K. and Nakatsuka, N. and Nilsson, T. and Obertelli, A. and Orr, N. A. and Otsu, H. and Ozaki, T. and Panin, V. and Paschalis, S. and Revel, A. and Rossi, D. and Saito, A. T. and Saito, T. and Sasano, M. and Sato, H. and Satou, Y. and Scheit, H. and Schindler, F. and Schrock, P. and Shikata, M. and Shimizu, Y. and Simon, H. and Sohler, D. and Sorlin, O. and Stuhl, L. and Takeuchi, S. and Tanaka, M. and Thoennessen, M. and Törnqvist, H. and Togano, Y. and Tomai, T. and Tscheuschner, J. and Tsubota, J. and Uesaka, T. and Yang, Z. and Yoneda, K.},
abstractNote = {Detailed γ-ray spectroscopy of the exotic neon isotope 28Ne has been performed for the first time using the one-neutron removal reaction from 29Ne on a liquid hydrogen target at 240 MeV/nucleon. Based on an analysis of parallel momentum distributions, a level scheme with spin-parity assignments has been constructed for 28Ne and the negative-parity states are identified for the first time. The measured partial cross sections and momentum distributions reveal a significant intruder p-wave strength providing evidence of the breakdown of the N=20 and N=28 shell gaps. Only a weak, possible f-wave strength was observed to bound final states. Large-scale shell-model calculations with different effective interactions do not reproduce the large p-wave and small f-wave strength observed experimentally, indicating an ongoing challenge for a complete theoretical description of the transition into the island of inversion along the Ne isotopic chain.},
doi = {10.1016/j.physletb.2023.138038},
journal = {Physics Letters. B},
number = ,
volume = 843,
place = {United States},
year = {Tue Jun 20 00:00:00 EDT 2023},
month = {Tue Jun 20 00:00:00 EDT 2023}
}
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