High accuracy spectroscopy of 3- and 4-body Λ hypernuclei at Jefferson Lab

JLab E12-19-002 Experiment is planned to measure the Λ-binding energies of 3 Λ H [ J π = 1/2 + or 3/2 + ( T = 0)] and 4 Λ H (1 + ) at JLab Hall C. The expected accuracy for the binding-energy measurement is |Δ B total Λ | ≃ 70 keV. The accurate spectroscopy for these light hypernuclei would shed lig...

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Published in:EPJ Web of conferences 2022, Vol.271, p.1001
Main Authors: Gogami, T., Achenbach, P., Akiyama, T., Androic, D., Asaturyan, A., Brash, E., Bukhari, M. H., Camsonne, A., Covrig Dusa, S., Ebata, K., Elaasar, M. A., Fujii, Y., Fujiwara, T., Furic, M., Garibaldi, F., Gueye, P., Higinbotham, D. W., Ishige, T., Itabashi, K., Kaneta, M., Kino, R., Lashley, N., Markowitz, P., Meekins, D., Mizuno, M., Mkrtchyan, H. G., Mkrtchyan, A. H., Nagafusa, S., Nagano, S., Nagao, S., Nakamura, S. N., Nakamura, Y. R., Niculescu, G., Niculescu, I., Okuyama, K., Pandey, B., Pochodzalla, J., Reinhold, J., Rodriguez, V. M., Samanta, C., Sawatzky, B., Shabestari, M. H., Shahinyan, A., Sirca, S., Suzuki, K. N., Tachibana, K., Tang, L., Toyama, Y., Tsutsumi, K., Uehara, K., Umezaki, E., Urciuoli, G. M., Watanabe, D., Wood, S. A.
Format: Article
Language:English
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Summary:JLab E12-19-002 Experiment is planned to measure the Λ-binding energies of 3 Λ H [ J π = 1/2 + or 3/2 + ( T = 0)] and 4 Λ H (1 + ) at JLab Hall C. The expected accuracy for the binding-energy measurement is |Δ B total Λ | ≃ 70 keV. The accurate spectroscopy for these light hypernuclei would shed light on the puzzle of the small binding energy and short lifetime of 3 Λ H, and the chargesymmetry breaking in the ΛN interaction. We aim to perform the experiment in 2025.
ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/202227101001