Spectroscopy of A=9 hyperlithium with the $$(e,e^{\prime}K^{+})$$ reaction
Abstract
Missing mass spectroscopy with the $$(e,e^{\prime}K^{+})$$ reaction was performed at JLab Hall C for the neutron rich $$\Lambda$$ hypernucleus $$^{9}_{\Lambda}{\rm Li}$$. The ground state energy was obtained to be $$B_{\Lambda}^{\rm g.s.}=8.84\pm0.17^{\rm stat.}\pm0.15^{\rm sys.}~{\rm MeV}$$ by using shell model calculations of a cross section ratio and an energy separation of the spin doublet states ($$3/2^{+}_1$$ and $$5/2^{+}_1$$). In addition, peaks that are considered to be states of [$$^{8}{\rm Li}(3^{+})\otimes s_{\Lambda}=3/2^{+}_{2}, 1/2^{+}$$] and [$$^{8}{\rm Li}(1^{+})\otimes s_{\Lambda}=5/2^{+}_{2}, 7/2^{+}$$] were observed at $$E_{\Lambda}(\#2)=1.74\pm0.27^{\rm stat.}\pm0.11^{\rm sys.}~{\rm MeV}$$ and $$E_{\Lambda}(\#3)=3.30\pm0.24^{\rm stat.}\pm0.11^{\rm sys.}~{\rm MeV}$$, respectively. The $$E_{\Lambda}(\#3)$$ is larger than shell model predictions by a few hundred keV, and the difference would indicate that a $${\rm ^{5}He}+t$$ structure is more developed for the $$3^{+}$$ state than those for the $$2^{+}$$ and $$1^{+}$$ states in a core nucleus $$^{8}{\rm Li}$$ as a cluster model calculation suggests.
- Authors:
- more »
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- Contributing Org.:
- HKS (JLab E05-115) Collaboration
- OSTI Identifier:
- 1774784
- Report Number(s):
- JLAB-PHY-21-3324; DOE/OR/23177-5162; arXiv:2102.04437
Journal ID: ISSN 2469-9985; TRN: US2209265
- Grant/Contract Number:
- FG02-97ER41047; AC02-98CH10886; FG02-00ER41110; AC05-84ER40150; AC02-06CH11357; FG02-99ER41065; AC05-06OR23177; 15684005; 16GS0201; 24.4123; 17H01121; 12002001; 18H01219; 21002; JP18H05459; R2201; 0758095; 013815
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 103; Journal Issue: 4; Journal ID: ISSN 2469-9985
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Gogami, T., Chen, C., Kawama, D., Achenbach, P., Ahmidouch, A., Albayrak, I., Androic, D., Asaturyan, A., Asaturyan, R., Ates, O., Baturin, P., Badui, R., Boeglin, W., Bono, J., Brash, E., Carter, P., Chiba, A., Christy, E., Danagoulian, S., De Leo, R., Doi, D., Elaasar, M., Ent, R., Fujii, Y., Fujita, M., Furic, M., Gabrielyan, M., Gan, L., Garibaldi, F., Gaskell, D., Gasparian, A., Han, Y., Hashimoto, O., Horn, T., Hu, B., Hungerford, Ed. V., Jones, M., Kanda, H., Kaneta, M., Kato, S., Kawai, M., Khanal, H., Kohl, M., Liyanage, A., Luo, W., Maeda, K., Margaryan, A., Markowitz, P., Maruta, T., Matsumura, A., Maxwell, V., Meekins, D., Mkrtchyan, A., Mkrtchyan, H., Nagao, S., Nakamura, S. N., Narayan, A., Neville, C., Niculescu, G., Niculescu, M. I., Nunez, A., Nuruzzaman,, Okayasu, Y., Petkovic, T., Pochodzalla, J., Qiu, X., Reinhold, J., Rodriguez, V. M., Samanta, C., Sawatzky, B., Seva, T., Shichijo, A., Tadevosyan, V., Tang, L., Taniya, N., Tsukada, K., Veilleux, M., Vulcan, W., Wesselmann, F. R., Wood, S. A., Yamamoto, T., Ya, L., Ye, Z., Yokota, K., Yuan, L., Zhamkochyan, S., and Zhu, L. Spectroscopy of A=9 hyperlithium with the $(e,e^{\prime}K^{+})$ reaction. United States: N. p., 2021.
Web. doi:10.1103/physrevc.103.l041301.
Gogami, T., Chen, C., Kawama, D., Achenbach, P., Ahmidouch, A., Albayrak, I., Androic, D., Asaturyan, A., Asaturyan, R., Ates, O., Baturin, P., Badui, R., Boeglin, W., Bono, J., Brash, E., Carter, P., Chiba, A., Christy, E., Danagoulian, S., De Leo, R., Doi, D., Elaasar, M., Ent, R., Fujii, Y., Fujita, M., Furic, M., Gabrielyan, M., Gan, L., Garibaldi, F., Gaskell, D., Gasparian, A., Han, Y., Hashimoto, O., Horn, T., Hu, B., Hungerford, Ed. V., Jones, M., Kanda, H., Kaneta, M., Kato, S., Kawai, M., Khanal, H., Kohl, M., Liyanage, A., Luo, W., Maeda, K., Margaryan, A., Markowitz, P., Maruta, T., Matsumura, A., Maxwell, V., Meekins, D., Mkrtchyan, A., Mkrtchyan, H., Nagao, S., Nakamura, S. N., Narayan, A., Neville, C., Niculescu, G., Niculescu, M. I., Nunez, A., Nuruzzaman,, Okayasu, Y., Petkovic, T., Pochodzalla, J., Qiu, X., Reinhold, J., Rodriguez, V. M., Samanta, C., Sawatzky, B., Seva, T., Shichijo, A., Tadevosyan, V., Tang, L., Taniya, N., Tsukada, K., Veilleux, M., Vulcan, W., Wesselmann, F. R., Wood, S. A., Yamamoto, T., Ya, L., Ye, Z., Yokota, K., Yuan, L., Zhamkochyan, S., & Zhu, L. Spectroscopy of A=9 hyperlithium with the $(e,e^{\prime}K^{+})$ reaction. United States. https://doi.org/10.1103/physrevc.103.l041301
Gogami, T., Chen, C., Kawama, D., Achenbach, P., Ahmidouch, A., Albayrak, I., Androic, D., Asaturyan, A., Asaturyan, R., Ates, O., Baturin, P., Badui, R., Boeglin, W., Bono, J., Brash, E., Carter, P., Chiba, A., Christy, E., Danagoulian, S., De Leo, R., Doi, D., Elaasar, M., Ent, R., Fujii, Y., Fujita, M., Furic, M., Gabrielyan, M., Gan, L., Garibaldi, F., Gaskell, D., Gasparian, A., Han, Y., Hashimoto, O., Horn, T., Hu, B., Hungerford, Ed. V., Jones, M., Kanda, H., Kaneta, M., Kato, S., Kawai, M., Khanal, H., Kohl, M., Liyanage, A., Luo, W., Maeda, K., Margaryan, A., Markowitz, P., Maruta, T., Matsumura, A., Maxwell, V., Meekins, D., Mkrtchyan, A., Mkrtchyan, H., Nagao, S., Nakamura, S. N., Narayan, A., Neville, C., Niculescu, G., Niculescu, M. I., Nunez, A., Nuruzzaman,, Okayasu, Y., Petkovic, T., Pochodzalla, J., Qiu, X., Reinhold, J., Rodriguez, V. M., Samanta, C., Sawatzky, B., Seva, T., Shichijo, A., Tadevosyan, V., Tang, L., Taniya, N., Tsukada, K., Veilleux, M., Vulcan, W., Wesselmann, F. R., Wood, S. A., Yamamoto, T., Ya, L., Ye, Z., Yokota, K., Yuan, L., Zhamkochyan, S., and Zhu, L. Mon .
"Spectroscopy of A=9 hyperlithium with the $(e,e^{\prime}K^{+})$ reaction". United States. https://doi.org/10.1103/physrevc.103.l041301. https://www.osti.gov/servlets/purl/1774784.
@article{osti_1774784,
title = {Spectroscopy of A=9 hyperlithium with the $(e,e^{\prime}K^{+})$ reaction},
author = {Gogami, T. and Chen, C. and Kawama, D. and Achenbach, P. and Ahmidouch, A. and Albayrak, I. and Androic, D. and Asaturyan, A. and Asaturyan, R. and Ates, O. and Baturin, P. and Badui, R. and Boeglin, W. and Bono, J. and Brash, E. and Carter, P. and Chiba, A. and Christy, E. and Danagoulian, S. and De Leo, R. and Doi, D. and Elaasar, M. and Ent, R. and Fujii, Y. and Fujita, M. and Furic, M. and Gabrielyan, M. and Gan, L. and Garibaldi, F. and Gaskell, D. and Gasparian, A. and Han, Y. and Hashimoto, O. and Horn, T. and Hu, B. and Hungerford, Ed. V. and Jones, M. and Kanda, H. and Kaneta, M. and Kato, S. and Kawai, M. and Khanal, H. and Kohl, M. and Liyanage, A. and Luo, W. and Maeda, K. and Margaryan, A. and Markowitz, P. and Maruta, T. and Matsumura, A. and Maxwell, V. and Meekins, D. and Mkrtchyan, A. and Mkrtchyan, H. and Nagao, S. and Nakamura, S. N. and Narayan, A. and Neville, C. and Niculescu, G. and Niculescu, M. I. and Nunez, A. and Nuruzzaman, and Okayasu, Y. and Petkovic, T. and Pochodzalla, J. and Qiu, X. and Reinhold, J. and Rodriguez, V. M. and Samanta, C. and Sawatzky, B. and Seva, T. and Shichijo, A. and Tadevosyan, V. and Tang, L. and Taniya, N. and Tsukada, K. and Veilleux, M. and Vulcan, W. and Wesselmann, F. R. and Wood, S. A. and Yamamoto, T. and Ya, L. and Ye, Z. and Yokota, K. and Yuan, L. and Zhamkochyan, S. and Zhu, L.},
abstractNote = {Missing mass spectroscopy with the $(e,e^{\prime}K^{+})$ reaction was performed at JLab Hall C for the neutron rich $\Lambda$ hypernucleus $^{9}_{\Lambda}{\rm Li}$. The ground state energy was obtained to be $B_{\Lambda}^{\rm g.s.}=8.84\pm0.17^{\rm stat.}\pm0.15^{\rm sys.}~{\rm MeV}$ by using shell model calculations of a cross section ratio and an energy separation of the spin doublet states ($3/2^{+}_1$ and $5/2^{+}_1$). In addition, peaks that are considered to be states of [$^{8}{\rm Li}(3^{+})\otimes s_{\Lambda}=3/2^{+}_{2}, 1/2^{+}$] and [$^{8}{\rm Li}(1^{+})\otimes s_{\Lambda}=5/2^{+}_{2}, 7/2^{+}$] were observed at $E_{\Lambda}(\#2)=1.74\pm0.27^{\rm stat.}\pm0.11^{\rm sys.}~{\rm MeV}$ and $E_{\Lambda}(\#3)=3.30\pm0.24^{\rm stat.}\pm0.11^{\rm sys.}~{\rm MeV}$, respectively. The $E_{\Lambda}(\#3)$ is larger than shell model predictions by a few hundred keV, and the difference would indicate that a ${\rm ^{5}He}+t$ structure is more developed for the $3^{+}$ state than those for the $2^{+}$ and $1^{+}$ states in a core nucleus $^{8}{\rm Li}$ as a cluster model calculation suggests.},
doi = {10.1103/physrevc.103.l041301},
journal = {Physical Review C},
number = 4,
volume = 103,
place = {United States},
year = {Mon Apr 05 00:00:00 EDT 2021},
month = {Mon Apr 05 00:00:00 EDT 2021}
}
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