التفاصيل البيبلوغرافية
| العنوان: |
Intruder configurations in $^{29}$Ne at the transition into the island of inversion: Detailed structure study of $^{28}$Ne |
| المؤلفون: |
Wang, H., Yasuda, M., Kondo, Y., Nakamura, T., Tostevin, J.A., Ogata, K., Otsuka, T., Poves, A., Shimizu, N., Yoshida, K., Achouri, N.L., Falou, H. Al, 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. |
| سنة النشر: |
2023 |
| المجموعة: |
CERN Document Server (CDS) |
| مصطلحات موضوعية: |
nucl-th, Nuclear Physics - Theory, nucl-ex, Nuclear Physics - Experiment |
| الوصف: |
Detailed γ-ray spectroscopy of the exotic neon isotope 28 Ne has been performed for the first time using the one-neutron removal reaction from 29 Ne 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 28 Ne 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. ; Detailed $\gamma$-ray spectroscopy of the exotic neon isotope $^{28}$Ne has been performed for the first time using the one-neutron removal reaction from $^{29}$Ne 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 $^{28}$Ne 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. |
| نوع الوثيقة: |
other/unknown material |
| اللغة: |
English |
| العلاقة: |
http://cds.cern.ch/record/2863987Test; arXiv:2306.16189; oai:cds.cern.ch:2863987 |
| DOI: |
10.1016/j.physletb.2023.138038 |
| الإتاحة: |
https://doi.org/10.1016/j.physletb.2023.138038Test
http://cds.cern.ch/record/2863987Test |
| رقم الانضمام: |
edsbas.CD645FF9 |
| قاعدة البيانات: |
BASE |
