Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction

T. Gogami; C. Chen; D. Kawama; P. Achenbach; A. Ahmidouch; I. Albayrak; D. Androic; A. Asaturyan; R. Asaturyan; O. Ates; P. Baturin; R. Badui; W. Boeglin; J. Bono; E. Brash; P. Carter; A. Chiba; E. Christy; S. Danagoulian; R. De Leo; D. Doi; M. Elaasar; R. Ent; Y. Fujii; M. Fujita; M. Furic; M. Gabrielyan; L. Gan; F. Garibaldi; D. Gaskell; A. Gasparian; Y. Han; O. Hashimoto; T. Horn; B. Hu; Ed V. Hungerford; M. Jones; H. Kanda; M. Kaneta; S. Kato; M. Kawai; H. Khanal; M. Kohl; A. Liyanage; W. Luo; K. Maeda; A. Margaryan; P. Markowitz; T. Maruta; A. Matsumura; V. Maxwell; D. Meekins; A. Mkrtchyan; H. Mkrtchyan; S. Nagao; S. N. Nakamura; A. Narayan; C. Neville; G. Niculescu; M. I. Niculescu; A. Nunez; Nuruzzaman; Y. Okayasu; T. Petkovic; J. Pochodzalla; X. Qiu; J. Reinhold; V. M. Rodriguez; C. Samanta; B. Sawatzky; T. Seva; A. Shichijo; V. Tadevosyan; L. Tang; N. Taniya; K. Tsukada; M. Veilleux; W. Vulcan; F. R. Wesselmann; S. A. Wood; T. Yamamoto; L. Ya; Z. Ye; K. Yokota; L. Yuan; S. Zhamkochyan; L. Zhu

doi:10.1103/PhysRevC.103.L041301

Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction

T. Gogami, C. Chen, D. Kawama, P. Achenbach, A. Ahmidouch, I. Albayrak, D. Androic, A. Asaturyan, R. Asaturyan, O. Ates, P. Baturin, R. Badui, W. Boeglin, J. Bono, E. Brash, P. Carter, A. Chiba, E. Christy, S. Danagoulian, R. De LeoD. Doi, M. Elaasar, R. Ent, Y. Fujii, M. Fujita, M. Furic, M. Gabrielyan, L. Gan, F. Garibaldi, D. Gaskell, A. Gasparian, Y. Han, O. Hashimoto, T. Horn, B. Hu, Ed V. Hungerford, M. Jones, H. Kanda, M. Kaneta, S. Kato, M. Kawai, H. Khanal, M. Kohl, A. Liyanage, W. Luo, K. Maeda, A. Margaryan, P. Markowitz, T. Maruta, A. Matsumura, V. Maxwell, D. Meekins, A. Mkrtchyan, H. Mkrtchyan, S. Nagao, S. N. Nakamura, A. Narayan, C. Neville, G. Niculescu, M. I. Niculescu, A. Nunez, Nuruzzaman, Y. Okayasu, T. Petkovic, J. Pochodzalla, X. Qiu, J. Reinhold, V. M. Rodriguez, C. Samanta, B. Sawatzky, T. Seva, A. Shichijo, V. Tadevosyan, L. Tang, N. Taniya, K. Tsukada, M. Veilleux, W. Vulcan, F. R. Wesselmann, S. A. Wood, T. Yamamoto, L. Ya, Z. Ye, K. Yokota, L. Yuan, S. Zhamkochyan, L. Zhu

SCI - Physics

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Abstract

Missing mass spectroscopy with the (e,e′K+) reaction was performed at Jefferson Laboratory's Hall C for the neutron-rich Λ hypernucleus LiΛ9. The ground-state (g.s.) energy was obtained to be BΛg.s.=8.84±0.17stat.±0.15sys.MeV by using shell-model calculations of a cross-section ratio and an energy separation of the spin doublet states (3/21+ and 5/21+). In addition, peaks that are considered to be states of [Li8(3+) - sΛ=3/22+,1/2+] and [Li8(1+) - sΛ=5/22+,7/2+] were observed at EΛ(no.2)=1.74±0.27stat.±0.11sys. and EΛ(no.3)=3.30±0.24stat.±0.11sys.MeV, respectively. The EΛ(no.3) is larger than shell-model predictions by a few hundred keV, and the difference would indicate that a He5+t structure is more developed for the 3+ state than those for the 2+ and 1+ states in a core nucleus Li8 as a cluster model calculation suggests.

Original language	English
Article number	L041301
Journal	Physical Review C
Volume	103
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.103.L041301
Publication status	Published - 2021 Apr

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10.1103/PhysRevC.103.L041301

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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., ... Zhu, L. (2021). Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction. Physical Review C, 103(4), Article L041301. https://doi.org/10.1103/PhysRevC.103.L041301

@article{9500c019201f4a728816fb8ae3d84fe1,

title = "Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction",

abstract = "Missing mass spectroscopy with the (e,e′K+) reaction was performed at Jefferson Laboratory's Hall C for the neutron-rich Λ hypernucleus LiΛ9. The ground-state (g.s.) energy was obtained to be BΛg.s.=8.84±0.17stat.±0.15sys.MeV by using shell-model calculations of a cross-section ratio and an energy separation of the spin doublet states (3/21+ and 5/21+). In addition, peaks that are considered to be states of [Li8(3+) - sΛ=3/22+,1/2+] and [Li8(1+) - sΛ=5/22+,7/2+] were observed at EΛ(no.2)=1.74±0.27stat.±0.11sys. and EΛ(no.3)=3.30±0.24stat.±0.11sys.MeV, respectively. The EΛ(no.3) is larger than shell-model predictions by a few hundred keV, and the difference would indicate that a He5+t structure is more developed for the 3+ state than those for the 2+ and 1+ states in a core nucleus Li8 as a cluster model calculation suggests.",

author = "T. Gogami and C. Chen and D. Kawama and P. Achenbach and A. Ahmidouch and I. Albayrak and D. Androic and A. Asaturyan and R. Asaturyan and O. Ates and P. Baturin and R. Badui and W. Boeglin and J. Bono and E. Brash and P. Carter and A. Chiba and E. Christy and S. Danagoulian and {De Leo}, R. and D. Doi and M. Elaasar and R. Ent and Y. Fujii and M. Fujita and M. Furic and M. Gabrielyan and L. Gan and F. Garibaldi and D. Gaskell and A. Gasparian and Y. Han and O. Hashimoto and T. Horn and B. Hu and Hungerford, {Ed V.} and M. Jones and H. Kanda and M. Kaneta and S. Kato and M. Kawai and H. Khanal and M. Kohl and A. Liyanage and W. Luo and K. Maeda and A. Margaryan and P. Markowitz and T. Maruta and A. Matsumura and V. Maxwell and D. Meekins and A. Mkrtchyan and H. Mkrtchyan and S. Nagao and Nakamura, {S. N.} and A. Narayan and C. Neville and G. Niculescu and Niculescu, {M. I.} and A. Nunez and Nuruzzaman and Y. Okayasu and T. Petkovic and J. Pochodzalla and X. Qiu and J. Reinhold and Rodriguez, {V. M.} and C. Samanta and B. Sawatzky and T. Seva and A. Shichijo and V. Tadevosyan and L. Tang and N. Taniya and K. Tsukada and M. Veilleux and W. Vulcan and Wesselmann, {F. R.} and Wood, {S. A.} and T. Yamamoto and L. Ya and Z. Ye and K. Yokota and L. Yuan and S. Zhamkochyan and L. Zhu",

note = "Funding Information: We thank the JLab staff of the physics, accelerator, and engineering divisions for support of the experiment. We thank P. Byd{\v z}ovsk{\'y}, E. Hiyama, M. Isaka, D. J. Millener, T. Motoba, and A. Umeya for valuable exchanges for this Letter. This Letter was partially supported by the Grant-in-Aid for Scientific Research on Innovative Areas “Toward new frontiers Encounter and synergy of state-of-the-art astronomical detectors and exotic quantum beams.” The program was supported by JSPS KAKENHI Grants No. JP18H05459, No. 18H01219, No. 17H01121, No. 12002001, No. 15684005, No. 16GS0201, and No. 24.4123, JSPS Core-to-Core Program No. 21002, JSPS Strategic Young Researcher Overseas Visits Program for Accelerating Brain Circulation Grant No. R2201, and JSPS and DAAD under the Japan-Germany Research Cooperative Program. We acknowledge support by SPIRITS 2020 of Kyoto University, the Graduate Program on Physics for the Universe, Tohoku University (GP-PU), US Department of Energy Contracts No. DE-AC05-84ER40150, No. DE-AC05-06OR23177, No. DE-FG02-99ER41065, No. DE-FG02-97ER41047, No. DE-AC02-06CH11357, No. DE-FG02-00ER41110, and No. DE-AC02-98CH10886, and US-NSF Contracts No. 013815 and No. 0758095. Publisher Copyright: {\textcopyright} 2021 American Physical Society.",

year = "2021",

month = apr,

doi = "10.1103/PhysRevC.103.L041301",

language = "English",

volume = "103",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "4",

}

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, EV, 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, SN, Narayan, A, Neville, C, Niculescu, G, Niculescu, MI, Nunez, A, Nuruzzaman, Okayasu, Y, Petkovic, T, Pochodzalla, J, Qiu, X, Reinhold, J, Rodriguez, VM, Samanta, C, Sawatzky, B, Seva, T, Shichijo, A, Tadevosyan, V, Tang, L, Taniya, N, Tsukada, K, Veilleux, M, Vulcan, W, Wesselmann, FR, Wood, SA, Yamamoto, T, Ya, L, Ye, Z, Yokota, K, Yuan, L, Zhamkochyan, S & Zhu, L 2021, 'Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction', Physical Review C, vol. 103, no. 4, L041301. https://doi.org/10.1103/PhysRevC.103.L041301

TY - JOUR

T1 - Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction

AU - Gogami, T.

AU - Chen, C.

AU - Kawama, D.

AU - Achenbach, P.

AU - Ahmidouch, A.

AU - Albayrak, I.

AU - Androic, D.

AU - Asaturyan, A.

AU - Asaturyan, R.

AU - Ates, O.

AU - Baturin, P.

AU - Badui, R.

AU - Boeglin, W.

AU - Bono, J.

AU - Brash, E.

AU - Carter, P.

AU - Chiba, A.

AU - Christy, E.

AU - Danagoulian, S.

AU - De Leo, R.

AU - Doi, D.

AU - Elaasar, M.

AU - Ent, R.

AU - Fujii, Y.

AU - Fujita, M.

AU - Furic, M.

AU - Gabrielyan, M.

AU - Gan, L.

AU - Garibaldi, F.

AU - Gaskell, D.

AU - Gasparian, A.

AU - Han, Y.

AU - Hashimoto, O.

AU - Horn, T.

AU - Hu, B.

AU - Hungerford, Ed V.

AU - Jones, M.

AU - Kanda, H.

AU - Kaneta, M.

AU - Kato, S.

AU - Kawai, M.

AU - Khanal, H.

AU - Kohl, M.

AU - Liyanage, A.

AU - Luo, W.

AU - Maeda, K.

AU - Margaryan, A.

AU - Markowitz, P.

AU - Maruta, T.

AU - Matsumura, A.

AU - Maxwell, V.

AU - Meekins, D.

AU - Mkrtchyan, A.

AU - Mkrtchyan, H.

AU - Nagao, S.

AU - Nakamura, S. N.

AU - Narayan, A.

AU - Neville, C.

AU - Niculescu, G.

AU - Niculescu, M. I.

AU - Nunez, A.

AU - Nuruzzaman,

AU - Okayasu, Y.

AU - Petkovic, T.

AU - Pochodzalla, J.

AU - Qiu, X.

AU - Reinhold, J.

AU - Rodriguez, V. M.

AU - Samanta, C.

AU - Sawatzky, B.

AU - Seva, T.

AU - Shichijo, A.

AU - Tadevosyan, V.

AU - Tang, L.

AU - Taniya, N.

AU - Tsukada, K.

AU - Veilleux, M.

AU - Vulcan, W.

AU - Wesselmann, F. R.

AU - Wood, S. A.

AU - Yamamoto, T.

AU - Ya, L.

AU - Ye, Z.

AU - Yokota, K.

AU - Yuan, L.

AU - Zhamkochyan, S.

AU - Zhu, L.

N1 - Funding Information: We thank the JLab staff of the physics, accelerator, and engineering divisions for support of the experiment. We thank P. Bydžovský, E. Hiyama, M. Isaka, D. J. Millener, T. Motoba, and A. Umeya for valuable exchanges for this Letter. This Letter was partially supported by the Grant-in-Aid for Scientific Research on Innovative Areas “Toward new frontiers Encounter and synergy of state-of-the-art astronomical detectors and exotic quantum beams.” The program was supported by JSPS KAKENHI Grants No. JP18H05459, No. 18H01219, No. 17H01121, No. 12002001, No. 15684005, No. 16GS0201, and No. 24.4123, JSPS Core-to-Core Program No. 21002, JSPS Strategic Young Researcher Overseas Visits Program for Accelerating Brain Circulation Grant No. R2201, and JSPS and DAAD under the Japan-Germany Research Cooperative Program. We acknowledge support by SPIRITS 2020 of Kyoto University, the Graduate Program on Physics for the Universe, Tohoku University (GP-PU), US Department of Energy Contracts No. DE-AC05-84ER40150, No. DE-AC05-06OR23177, No. DE-FG02-99ER41065, No. DE-FG02-97ER41047, No. DE-AC02-06CH11357, No. DE-FG02-00ER41110, and No. DE-AC02-98CH10886, and US-NSF Contracts No. 013815 and No. 0758095. Publisher Copyright: © 2021 American Physical Society.

PY - 2021/4

Y1 - 2021/4

N2 - Missing mass spectroscopy with the (e,e′K+) reaction was performed at Jefferson Laboratory's Hall C for the neutron-rich Λ hypernucleus LiΛ9. The ground-state (g.s.) energy was obtained to be BΛg.s.=8.84±0.17stat.±0.15sys.MeV by using shell-model calculations of a cross-section ratio and an energy separation of the spin doublet states (3/21+ and 5/21+). In addition, peaks that are considered to be states of [Li8(3+) - sΛ=3/22+,1/2+] and [Li8(1+) - sΛ=5/22+,7/2+] were observed at EΛ(no.2)=1.74±0.27stat.±0.11sys. and EΛ(no.3)=3.30±0.24stat.±0.11sys.MeV, respectively. The EΛ(no.3) is larger than shell-model predictions by a few hundred keV, and the difference would indicate that a He5+t structure is more developed for the 3+ state than those for the 2+ and 1+ states in a core nucleus Li8 as a cluster model calculation suggests.

AB - Missing mass spectroscopy with the (e,e′K+) reaction was performed at Jefferson Laboratory's Hall C for the neutron-rich Λ hypernucleus LiΛ9. The ground-state (g.s.) energy was obtained to be BΛg.s.=8.84±0.17stat.±0.15sys.MeV by using shell-model calculations of a cross-section ratio and an energy separation of the spin doublet states (3/21+ and 5/21+). In addition, peaks that are considered to be states of [Li8(3+) - sΛ=3/22+,1/2+] and [Li8(1+) - sΛ=5/22+,7/2+] were observed at EΛ(no.2)=1.74±0.27stat.±0.11sys. and EΛ(no.3)=3.30±0.24stat.±0.11sys.MeV, respectively. The EΛ(no.3) is larger than shell-model predictions by a few hundred keV, and the difference would indicate that a He5+t structure is more developed for the 3+ state than those for the 2+ and 1+ states in a core nucleus Li8 as a cluster model calculation suggests.

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UR - http://www.scopus.com/inward/citedby.url?scp=85104711042&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.103.L041301

DO - 10.1103/PhysRevC.103.L041301

M3 - Article

AN - SCOPUS:85104711042

SN - 2469-9985

VL - 103

JO - Physical Review C

JF - Physical Review C

IS - 4

M1 - L041301

ER -

Spectroscopy of A=9 hyperlithium with the (e,e′K+) reaction

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