How Different is the Core of ^{25}F from ^{24}O_{g.s.} ?
The structure of a neutron-rich F25 nucleus is investigated by a quasifree (p,2p) knockout reaction at 270A MeV in inverse kinematics. The sum of spectroscopic factors of π0d5/2 orbital is found to be 1.0±0.3. However, the spectroscopic factor with residual O24 nucleus being in the ground state is...
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| creator | Tang, T L Uesaka, T Kawase, S Beaumel, D Dozono, M Fujii, T Fukuda, N Fukunaga, T Galindo-Uribarri, A Hwang, S H Inabe, N Kameda, D Kawahara, T Kim, W Kisamori, K Kobayashi, M Kubo, T Kubota, Y Kusaka, K Lee, C S Maeda, Y Matsubara, H Michimasa, S Miya, H Noro, T Obertelli, A Ogata, K Ota, S Padilla-Rodal, E Sakaguchi, S Sakai, H Sasano, M Shimoura, S Stepanyan, S S Suzuki, H Takaki, M Takeda, H Tokieda, H Wakasa, T Wakui, T Yako, K Yanagisawa, Y Yasuda, J Yokoyama, R Yoshida, K Zenihiro, J |
| description | The structure of a neutron-rich F25 nucleus is investigated by a quasifree (p,2p) knockout reaction at 270A MeV in inverse kinematics. The sum of spectroscopic factors of π0d5/2 orbital is found to be 1.0±0.3. However, the spectroscopic factor with residual O24 nucleus being in the ground state is found to be only 0.36±0.13, while those in the excited state is 0.65±0.25. The result shows that the O24 core of F25 nucleus significantly differs from a free O24 nucleus, and the core consists of ∼35% O24g.s.. and ∼65% excited O24. The result may infer that the addition of the 0d5/2 proton considerably changes neutron structure in F25 from that in O24, which could be a possible mechanism responsible for the oxygen dripline anomaly. |
| doi_str_mv | 10.1103/PhysRevLett.124.212502 |
| format | Article |
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The sum of spectroscopic factors of π0d5/2 orbital is found to be 1.0±0.3. However, the spectroscopic factor with residual O24 nucleus being in the ground state is found to be only 0.36±0.13, while those in the excited state is 0.65±0.25. The result shows that the O24 core of F25 nucleus significantly differs from a free O24 nucleus, and the core consists of ∼35% O24g.s.. and ∼65% excited O24. The result may infer that the addition of the 0d5/2 proton considerably changes neutron structure in F25 from that in O24, which could be a possible mechanism responsible for the oxygen dripline anomaly.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.124.212502</identifier><language>eng</language><publisher>American Physical Society</publisher><subject>Nuclear Experiment ; Nuclear Theory ; Physics</subject><ispartof>Physical review letters, 2020-05, Vol.124 (21), p.212502-212502</ispartof><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://hal.science/hal-01921650$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Tang, T L</creatorcontrib><creatorcontrib>Uesaka, T</creatorcontrib><creatorcontrib>Kawase, S</creatorcontrib><creatorcontrib>Beaumel, D</creatorcontrib><creatorcontrib>Dozono, M</creatorcontrib><creatorcontrib>Fujii, T</creatorcontrib><creatorcontrib>Fukuda, N</creatorcontrib><creatorcontrib>Fukunaga, T</creatorcontrib><creatorcontrib>Galindo-Uribarri, A</creatorcontrib><creatorcontrib>Hwang, S H</creatorcontrib><creatorcontrib>Inabe, N</creatorcontrib><creatorcontrib>Kameda, D</creatorcontrib><creatorcontrib>Kawahara, T</creatorcontrib><creatorcontrib>Kim, W</creatorcontrib><creatorcontrib>Kisamori, K</creatorcontrib><creatorcontrib>Kobayashi, M</creatorcontrib><creatorcontrib>Kubo, T</creatorcontrib><creatorcontrib>Kubota, Y</creatorcontrib><creatorcontrib>Kusaka, K</creatorcontrib><creatorcontrib>Lee, C S</creatorcontrib><creatorcontrib>Maeda, Y</creatorcontrib><creatorcontrib>Matsubara, H</creatorcontrib><creatorcontrib>Michimasa, S</creatorcontrib><creatorcontrib>Miya, H</creatorcontrib><creatorcontrib>Noro, T</creatorcontrib><creatorcontrib>Obertelli, A</creatorcontrib><creatorcontrib>Ogata, K</creatorcontrib><creatorcontrib>Ota, S</creatorcontrib><creatorcontrib>Padilla-Rodal, E</creatorcontrib><creatorcontrib>Sakaguchi, S</creatorcontrib><creatorcontrib>Sakai, H</creatorcontrib><creatorcontrib>Sasano, M</creatorcontrib><creatorcontrib>Shimoura, S</creatorcontrib><creatorcontrib>Stepanyan, S S</creatorcontrib><creatorcontrib>Suzuki, H</creatorcontrib><creatorcontrib>Takaki, M</creatorcontrib><creatorcontrib>Takeda, H</creatorcontrib><creatorcontrib>Tokieda, H</creatorcontrib><creatorcontrib>Wakasa, T</creatorcontrib><creatorcontrib>Wakui, T</creatorcontrib><creatorcontrib>Yako, K</creatorcontrib><creatorcontrib>Yanagisawa, Y</creatorcontrib><creatorcontrib>Yasuda, J</creatorcontrib><creatorcontrib>Yokoyama, R</creatorcontrib><creatorcontrib>Yoshida, K</creatorcontrib><creatorcontrib>Zenihiro, J</creatorcontrib><title>How Different is the Core of ^{25}F from ^{24}O_{g.s.} ?</title><title>Physical review letters</title><description>The structure of a neutron-rich F25 nucleus is investigated by a quasifree (p,2p) knockout reaction at 270A MeV in inverse kinematics. The sum of spectroscopic factors of π0d5/2 orbital is found to be 1.0±0.3. However, the spectroscopic factor with residual O24 nucleus being in the ground state is found to be only 0.36±0.13, while those in the excited state is 0.65±0.25. The result shows that the O24 core of F25 nucleus significantly differs from a free O24 nucleus, and the core consists of ∼35% O24g.s.. and ∼65% excited O24. The result may infer that the addition of the 0d5/2 proton considerably changes neutron structure in F25 from that in O24, which could be a possible mechanism responsible for the oxygen dripline anomaly.</description><subject>Nuclear Experiment</subject><subject>Nuclear Theory</subject><subject>Physics</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNotjNFPwjAYxBujiYj-C6aP-rD5fV3btU-GoIjJEozh2aaD1s0MiuuAEML_LgRf7i53vxwh9wgpImRPH9UufrpN4bouRcZThkwAuyA9hFwnOSK_JD2ADBMNkF-Tmxh_AACZVD2ixmFLX2rvXeuWHa0j7SpHh6F1NHj6tWfiMKK-DYtT5oeJ2X-nMT3Q51ty5W0T3d2_98l09DodjpNi8vY-HBRJJXOeKMFR5VygU04flSkOmUDuoOTclhrnKrezknnpnVeZ1GXpj5MUfo6CeZH1yeP5trKNWbX1wrY7E2xtxoPCnDpAzVAK2OCRfTizqzb8rl3szKKOM9c0dunCOhrGkWnNJPDsD9qOWAA</recordid><startdate>20200529</startdate><enddate>20200529</enddate><creator>Tang, T L</creator><creator>Uesaka, T</creator><creator>Kawase, S</creator><creator>Beaumel, D</creator><creator>Dozono, M</creator><creator>Fujii, T</creator><creator>Fukuda, N</creator><creator>Fukunaga, T</creator><creator>Galindo-Uribarri, A</creator><creator>Hwang, S H</creator><creator>Inabe, N</creator><creator>Kameda, D</creator><creator>Kawahara, T</creator><creator>Kim, W</creator><creator>Kisamori, K</creator><creator>Kobayashi, M</creator><creator>Kubo, T</creator><creator>Kubota, Y</creator><creator>Kusaka, K</creator><creator>Lee, C S</creator><creator>Maeda, Y</creator><creator>Matsubara, H</creator><creator>Michimasa, S</creator><creator>Miya, H</creator><creator>Noro, T</creator><creator>Obertelli, A</creator><creator>Ogata, K</creator><creator>Ota, S</creator><creator>Padilla-Rodal, E</creator><creator>Sakaguchi, S</creator><creator>Sakai, H</creator><creator>Sasano, M</creator><creator>Shimoura, S</creator><creator>Stepanyan, S S</creator><creator>Suzuki, H</creator><creator>Takaki, M</creator><creator>Takeda, H</creator><creator>Tokieda, H</creator><creator>Wakasa, T</creator><creator>Wakui, T</creator><creator>Yako, K</creator><creator>Yanagisawa, Y</creator><creator>Yasuda, J</creator><creator>Yokoyama, R</creator><creator>Yoshida, K</creator><creator>Zenihiro, J</creator><general>American Physical Society</general><scope>7X8</scope><scope>1XC</scope></search><sort><creationdate>20200529</creationdate><title>How Different is the Core of ^{25}F from ^{24}O_{g.s.} ?</title><author>Tang, T L ; 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The sum of spectroscopic factors of π0d5/2 orbital is found to be 1.0±0.3. However, the spectroscopic factor with residual O24 nucleus being in the ground state is found to be only 0.36±0.13, while those in the excited state is 0.65±0.25. The result shows that the O24 core of F25 nucleus significantly differs from a free O24 nucleus, and the core consists of ∼35% O24g.s.. and ∼65% excited O24. The result may infer that the addition of the 0d5/2 proton considerably changes neutron structure in F25 from that in O24, which could be a possible mechanism responsible for the oxygen dripline anomaly.</abstract><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.124.212502</doi><tpages>1</tpages></addata></record> |
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| title | How Different is the Core of ^{25}F from ^{24}O_{g.s.} ? |
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