The first 2+ excited state of 24O
The unbound excited states of the most neutron-rich dripline oxygen isotope, O (Z=8, N=16), have been investigated using the 24O(p,p′)O* reaction at the beam energy of 63 MeV/nucleon in inverse kinematics at RIKEN. The 24O beam was produced in the projectile-like fragmentation process of a 95 MeV/nu...
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| creator | Tshoo, K Satou, Y Nakamura, T Aoi, N Bhang, H C Choi, S Deguchi, S Delaunay, F Gibelin, J Honda, T Ishihara, M Kawada, Y Kondo, Y Kobayashi, T Kobayashi, N Marques, F M Matsushita, M Miyashita, Y Motobayashi, T Nakayama, Y Orr, N A Otsu, H Sakurai, H Shimoura, S Sohler, D Suniikama, T Takeuchi, S Tanaka, K N Tanaka, N Togano, Y Yoneda, K Yoshinaga, K Zheng, T Li, Z H Cao, Z X |
| description | The unbound excited states of the most neutron-rich dripline oxygen isotope, O (Z=8, N=16), have been investigated using the 24O(p,p′)O* reaction at the beam energy of 63 MeV/nucleon in inverse kinematics at RIKEN. The 24O beam was produced in the projectile-like fragmentation process of a 95 MeV/nucleon 40Ar primary beam on the Be production target. The decay energy spectrum of 24O* in 23O+n channel was reconstructed in the invariant mass of the neutron and the charged fragment detected in coincidence. The first unbound excited state of 24O has been observed at Ex=4.68+0.21−0.14 14 MeV (preliminary) along with the evidence for another higher lying state at around 7.3 MeV. The energy of the former state is compared with existing data and the results of shell-model calculations. |
| doi_str_mv | 10.1088/1742-6596/312/9/092059 |
| format | Conference Proceeding |
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The 24O beam was produced in the projectile-like fragmentation process of a 95 MeV/nucleon 40Ar primary beam on the Be production target. The decay energy spectrum of 24O* in 23O+n channel was reconstructed in the invariant mass of the neutron and the charged fragment detected in coincidence. The first unbound excited state of 24O has been observed at Ex=4.68+0.21−0.14 14 MeV (preliminary) along with the evidence for another higher lying state at around 7.3 MeV. The energy of the former state is compared with existing data and the results of shell-model calculations.</description><identifier>ISSN: 1742-6596</identifier><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/312/9/092059</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Energy spectra ; Excitation ; Inverse kinematics ; Nuclear Experiment ; Nucleons ; Oxygen isotopes ; Physics ; Projectiles</subject><ispartof>Journal of Physics: Conference Series, 2011, Vol.312 (9), p.092059</ispartof><rights>Copyright IOP Publishing Sep 2011</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-1703-2434 ; 0000-0001-6751-3714 ; 0000-0002-9456-6448 ; 0000-0002-6215-4254 ; 0000-0002-8499-8693 ; 0000-0002-9250-135X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1088/1742-6596/312/9/092059/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>309,310,314,780,784,885,1553,27628,27924,27925,53904,53931</link.rule.ids><linktorsrc>$$Uhttp://iopscience.iop.org/1742-6596/312/9/092059$$EView_record_in_IOP_Publishing$$FView_record_in_$$GIOP_Publishing</linktorsrc><backlink>$$Uhttps://in2p3.hal.science/in2p3-00691968$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Tshoo, K</creatorcontrib><creatorcontrib>Satou, Y</creatorcontrib><creatorcontrib>Nakamura, T</creatorcontrib><creatorcontrib>Aoi, N</creatorcontrib><creatorcontrib>Bhang, H C</creatorcontrib><creatorcontrib>Choi, S</creatorcontrib><creatorcontrib>Deguchi, S</creatorcontrib><creatorcontrib>Delaunay, F</creatorcontrib><creatorcontrib>Gibelin, J</creatorcontrib><creatorcontrib>Honda, T</creatorcontrib><creatorcontrib>Ishihara, M</creatorcontrib><creatorcontrib>Kawada, Y</creatorcontrib><creatorcontrib>Kondo, Y</creatorcontrib><creatorcontrib>Kobayashi, T</creatorcontrib><creatorcontrib>Kobayashi, N</creatorcontrib><creatorcontrib>Marques, F M</creatorcontrib><creatorcontrib>Matsushita, M</creatorcontrib><creatorcontrib>Miyashita, Y</creatorcontrib><creatorcontrib>Motobayashi, T</creatorcontrib><creatorcontrib>Nakayama, Y</creatorcontrib><creatorcontrib>Orr, N A</creatorcontrib><creatorcontrib>Otsu, H</creatorcontrib><creatorcontrib>Sakurai, H</creatorcontrib><creatorcontrib>Shimoura, S</creatorcontrib><creatorcontrib>Sohler, D</creatorcontrib><creatorcontrib>Suniikama, T</creatorcontrib><creatorcontrib>Takeuchi, S</creatorcontrib><creatorcontrib>Tanaka, K N</creatorcontrib><creatorcontrib>Tanaka, N</creatorcontrib><creatorcontrib>Togano, Y</creatorcontrib><creatorcontrib>Yoneda, K</creatorcontrib><creatorcontrib>Yoshinaga, K</creatorcontrib><creatorcontrib>Zheng, T</creatorcontrib><creatorcontrib>Li, Z H</creatorcontrib><creatorcontrib>Cao, Z X</creatorcontrib><title>The first 2+ excited state of 24O</title><title>Journal of Physics: Conference Series</title><description>The unbound excited states of the most neutron-rich dripline oxygen isotope, O (Z=8, N=16), have been investigated using the 24O(p,p′)O* reaction at the beam energy of 63 MeV/nucleon in inverse kinematics at RIKEN. The 24O beam was produced in the projectile-like fragmentation process of a 95 MeV/nucleon 40Ar primary beam on the Be production target. The decay energy spectrum of 24O* in 23O+n channel was reconstructed in the invariant mass of the neutron and the charged fragment detected in coincidence. The first unbound excited state of 24O has been observed at Ex=4.68+0.21−0.14 14 MeV (preliminary) along with the evidence for another higher lying state at around 7.3 MeV. The energy of the former state is compared with existing data and the results of shell-model calculations.</description><subject>Energy spectra</subject><subject>Excitation</subject><subject>Inverse kinematics</subject><subject>Nuclear Experiment</subject><subject>Nucleons</subject><subject>Oxygen isotopes</subject><subject>Physics</subject><subject>Projectiles</subject><issn>1742-6596</issn><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2011</creationdate><recordtype>conference_proceeding</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNptkE1Lw0AQhhdRsFb_gkQ8lpidnezXsRS1QqGXeh426S5NqU1MUtF_75ZI8dC5zMD7zDA8jN0DfwJuTAY6F6mSVmUIIrMZt4JLe8FGp-Dy33zNbrpuyznG0iP2sNr4JFRt1ydikvjvsur9Oul61_ukDonIl7fsKrhd5-_--pi9vzyvZvN0sXx9m00X6QaM0Sn6EksIKJQMheeYByd1ENI7XUBhYrZWOVh0wkBRolQR1OhsKI33xigcs8lwd-N21LTVh2t_qHYVzacLqvaiQeJcWbDKfEGkHwe6aevPg-962taHdh8fJCG1zREl6kjBQFV1c7oJnI7e6KiEjkooeiNLg7e4k57ZOctSsw74CzEkaRE</recordid><startdate>20110923</startdate><enddate>20110923</enddate><creator>Tshoo, K</creator><creator>Satou, Y</creator><creator>Nakamura, T</creator><creator>Aoi, 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Honda, T ; Ishihara, M ; Kawada, Y ; Kondo, Y ; Kobayashi, T ; Kobayashi, N ; Marques, F M ; Matsushita, M ; Miyashita, Y ; Motobayashi, T ; Nakayama, Y ; Orr, N A ; Otsu, H ; Sakurai, H ; Shimoura, S ; Sohler, D ; Suniikama, T ; Takeuchi, S ; Tanaka, K N ; Tanaka, N ; Togano, Y ; Yoneda, K ; Yoshinaga, K ; Zheng, T ; Li, Z H ; Cao, Z X</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-h1887-3ec3c1f3265fbe034fa57f25ea7b1b83c1d64193a281bc35626573a9fc8ee8863</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Energy spectra</topic><topic>Excitation</topic><topic>Inverse kinematics</topic><topic>Nuclear Experiment</topic><topic>Nucleons</topic><topic>Oxygen isotopes</topic><topic>Physics</topic><topic>Projectiles</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tshoo, K</creatorcontrib><creatorcontrib>Satou, 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M</au><au>Kawada, Y</au><au>Kondo, Y</au><au>Kobayashi, T</au><au>Kobayashi, N</au><au>Marques, F M</au><au>Matsushita, M</au><au>Miyashita, Y</au><au>Motobayashi, T</au><au>Nakayama, Y</au><au>Orr, N A</au><au>Otsu, H</au><au>Sakurai, H</au><au>Shimoura, S</au><au>Sohler, D</au><au>Suniikama, T</au><au>Takeuchi, S</au><au>Tanaka, K N</au><au>Tanaka, N</au><au>Togano, Y</au><au>Yoneda, K</au><au>Yoshinaga, K</au><au>Zheng, T</au><au>Li, Z H</au><au>Cao, Z X</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>The first 2+ excited state of 24O</atitle><btitle>Journal of Physics: Conference Series</btitle><date>2011-09-23</date><risdate>2011</risdate><volume>312</volume><issue>9</issue><spage>092059</spage><pages>092059-</pages><issn>1742-6596</issn><issn>1742-6588</issn><eissn>1742-6596</eissn><abstract>The unbound excited states of the most neutron-rich dripline oxygen isotope, O (Z=8, N=16), have been investigated using the 24O(p,p′)O* reaction at the beam energy of 63 MeV/nucleon in inverse kinematics at RIKEN. The 24O beam was produced in the projectile-like fragmentation process of a 95 MeV/nucleon 40Ar primary beam on the Be production target. The decay energy spectrum of 24O* in 23O+n channel was reconstructed in the invariant mass of the neutron and the charged fragment detected in coincidence. The first unbound excited state of 24O has been observed at Ex=4.68+0.21−0.14 14 MeV (preliminary) along with the evidence for another higher lying state at around 7.3 MeV. The energy of the former state is compared with existing data and the results of shell-model calculations.</abstract><cop>Bristol</cop><pub>IOP Publishing</pub><doi>10.1088/1742-6596/312/9/092059</doi><orcidid>https://orcid.org/0000-0002-1703-2434</orcidid><orcidid>https://orcid.org/0000-0001-6751-3714</orcidid><orcidid>https://orcid.org/0000-0002-9456-6448</orcidid><orcidid>https://orcid.org/0000-0002-6215-4254</orcidid><orcidid>https://orcid.org/0000-0002-8499-8693</orcidid><orcidid>https://orcid.org/0000-0002-9250-135X</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Energy spectra Excitation Inverse kinematics Nuclear Experiment Nucleons Oxygen isotopes Physics Projectiles |
| title | The first 2+ excited state of 24O |
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