Spectroscopy of the neutron-rich hypernucleus from electron scattering
Abstract
Here, the missing mass spectroscopy of the $$^{7}_{\Lambda}$$He hypernucleus was performed, using the $$^{7}$$Li$$(e,e^{\prime}K^{+})^{7}_{\Lambda}$$He reaction at the Thomas Jefferson National Accelerator Facility Hall C. The $$\Lambda$$ binding energy of the ground state (1/2$$^{+}$$) was determined with a smaller error than that of the previous measurement, being $$B_{\Lambda}$$ = 5.55 $$\pm$$ 0.10(stat.) $$\pm$$ 0.11(sys.) MeV. The experiment also provided new insight into charge symmetry breaking in p-shell hypernuclear systems. Finally, a peak at $$B_{\Lambda}$$ = 3.65 $$\pm$$ 0.20(stat.) $$\pm$$ 0.11(sys.) MeV was observed and assigned as a mixture of 3/2$$^{+}$$ and 5/2$$^{+}$$ states, confirming the "gluelike" behavior of $$\Lambda$$, which makes an unstable state in $$^{6}$$He stable against neutron emission.
- 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:
- 1294183
- Alternate Identifier(s):
- OSTI ID: 1294688
- Report Number(s):
- JLAB-PHY-16-2306; DOE/OR/23177-3893; arXiv:1606.09157
Journal ID: ISSN 2469-9985; PRVCAN
- Grant/Contract Number:
- 12002001; 15684005; 16GS0201; 24.4123; AC05-84ER40150; AC05-06OR23177; FG02-99ER41065; FG02-97ER41047; AC02-06CH11357; FG02-00ER41110; AC02-98CH10886; 013815; 0758095
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review C
- Additional Journal Information:
- Journal Volume: 94; Journal Issue: 2; Journal ID: ISSN 2469-9985
- Publisher:
- APS
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
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., 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 the neutron-rich hypernucleus HeΛ7 from electron scattering. United States: N. p., 2016.
Web. doi:10.1103/PhysRevC.94.021302.
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., 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 the neutron-rich hypernucleus HeΛ7 from electron scattering. United States. https://doi.org/10.1103/PhysRevC.94.021302
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., 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. Fri .
"Spectroscopy of the neutron-rich hypernucleus HeΛ7 from electron scattering". United States. https://doi.org/10.1103/PhysRevC.94.021302. https://www.osti.gov/servlets/purl/1294183.
@article{osti_1294183,
title = {Spectroscopy of the neutron-rich hypernucleus HeΛ7 from electron scattering},
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 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 = {Here, the missing mass spectroscopy of the $^{7}_{\Lambda}$He hypernucleus was performed, using the $^{7}$Li$(e,e^{\prime}K^{+})^{7}_{\Lambda}$He reaction at the Thomas Jefferson National Accelerator Facility Hall C. The $\Lambda$ binding energy of the ground state (1/2$^{+}$) was determined with a smaller error than that of the previous measurement, being $B_{\Lambda}$ = 5.55 $\pm$ 0.10(stat.) $\pm$ 0.11(sys.) MeV. The experiment also provided new insight into charge symmetry breaking in p-shell hypernuclear systems. Finally, a peak at $B_{\Lambda}$ = 3.65 $\pm$ 0.20(stat.) $\pm$ 0.11(sys.) MeV was observed and assigned as a mixture of 3/2$^{+}$ and 5/2$^{+}$ states, confirming the "gluelike" behavior of $\Lambda$, which makes an unstable state in $^{6}$He stable against neutron emission.},
doi = {10.1103/PhysRevC.94.021302},
journal = {Physical Review C},
number = 2,
volume = 94,
place = {United States},
year = {Fri Aug 12 00:00:00 EDT 2016},
month = {Fri Aug 12 00:00:00 EDT 2016}
}
Web of Science
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