Analog states of 7He observed via the 6He(p,n) reaction
Isobaric analog states of 7He have been investigated by a novel technique involving the observation of the resonant yield of neutrons from the 6He(p,n) reaction in coincidence with gamma rays from the decay of the (0(+),T=1) state in 6Li. The gamma rays provide a clean signature for the isospin-cons...
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| Veröffentlicht in: | Physical review letters 2004-06, Vol.92 (23), p.232502-232502 |
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| container_title | Physical review letters |
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| creator | Rogachev, G V Boutachkov, P Aprahamian, A Becchetti, F D Bychowski, J P Chen, Y Chubarian, G DeYoung, P A Goldberg, V Z Kolata, J J Lamm, L O Peaslee, G F Quinn, M Skorodumov, B B Wöhr, A |
| description | Isobaric analog states of 7He have been investigated by a novel technique involving the observation of the resonant yield of neutrons from the 6He(p,n) reaction in coincidence with gamma rays from the decay of the (0(+),T=1) state in 6Li. The gamma rays provide a clean signature for the isospin-conserving neutron decay of the low-lying isobaric analog resonances. It is conclusively shown that the analog of the recently observed low-lying spin-orbit partner of the 7He ground state does not exist. Evidence is presented that this state lies at much higher energies, in agreement with microscopic calculations. |
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The gamma rays provide a clean signature for the isospin-conserving neutron decay of the low-lying isobaric analog resonances. It is conclusively shown that the analog of the recently observed low-lying spin-orbit partner of the 7He ground state does not exist. 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The gamma rays provide a clean signature for the isospin-conserving neutron decay of the low-lying isobaric analog resonances. It is conclusively shown that the analog of the recently observed low-lying spin-orbit partner of the 7He ground state does not exist. 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| language | eng |
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| source | American Physical Society Journals |
| title | Analog states of 7He observed via the 6He(p,n) reaction |
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