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Two-Proton Radioactivity of Kr 67
| Indexado |
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| DOI | 10.1103/PHYSREVLETT.117.162501 | ||||
| Año | 2016 | ||||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
In an experiment with the BigRIPS separator at the RIKEN Nishina Center, we observed two-proton (2p) emission from Kr-67. At the same time, no evidence for 2p emission of Ge-59 and Se-63, two other potential candidates for this exotic radioactivity, could be observed. This observation is in line with Q value predictions which pointed to Kr-67 as being the best new candidate among the three for two-proton radioactivity. Kr-67 is only the fourth 2p ground-state emitter to be observed with a half-life of the order of a few milliseconds. The decay energy was determined to be 1690(17) keV, the 2p emission branching ratio is 37(14)%, and the half-life of Kr-67 is 7.4(30) ms.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Goigoux, T. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 2 | Ascher, P. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 3 | Blank, B. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 4 | Gerbaux, M. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 5 | Giovinazzo, J. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 6 | Grevy, S. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 7 | Kurtukian-Nieto, T. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 8 | Magron, C. | - |
Univ Bordeaux - Francia
Université de Bordeaux - Francia |
| 9 | Doornenbal, P. | - |
RIKEN - Japón
|
| 10 | Kiss, G. G. | - |
RIKEN - Japón
|
| 11 | Nishimura, S. | - |
RIKEN - Japón
|
| 12 | Soderstrom, P-A | - |
RIKEN - Japón
|
| 12 | Soederstroem, P. -A. | - |
RIKEN - Japón
|
| 13 | Phong, V. | - |
RIKEN - Japón
|
| 14 | Wu, J. | - |
RIKEN - Japón
|
| 15 | Ahn, D. S. | - |
RIKEN - Japón
|
| 16 | Fukuda, N. | - |
RIKEN - Japón
|
| 17 | Inabe, N. | - |
RIKEN - Japón
|
| 18 | Kubo, T. | - |
RIKEN - Japón
|
| 19 | Kubono, S. | - |
RIKEN - Japón
|
| 20 | Sakurai, H. | - |
RIKEN - Japón
Univ Tokyo - Japón University of Tokyo - Japón The University of Tokyo - Japón |
| 21 | Shimizu, Y. | - |
RIKEN - Japón
|
| 22 | Sumikama, T. | - |
RIKEN - Japón
|
| 23 | Suzuki, H. | - |
RIKEN - Japón
|
| 24 | Takeda, H. | - |
RIKEN - Japón
|
| 25 | Agramunt, J. | - |
Univ Valencia - España
University of Valencia - España Universitat de València - España |
| 26 | Algora, A. | - |
Univ Valencia - España
Hungarian Acad Sci - Hungría University of Valencia - España Atommagkutató Intézete - Hungría Universitat de València - España Magyar Tudomanyos Akademia - Hungría |
| 27 | Guadilla, V | - |
Univ Valencia - España
University of Valencia - España Universitat de València - España |
| 28 | Montaner-Piza, A. | - |
Univ Valencia - España
University of Valencia - España Universitat de València - España |
| 29 | Morales, A. | - |
Univ Valencia - España
University of Valencia - España Universitat de València - España |
| 30 | Go, S. | - |
Univ Valencia - España
UNIV TENNESSEE - Estados Unidos University of Valencia - España The University of Tennessee, Knoxville - Estados Unidos Universitat de València - España |
| 31 | Rubio, B. | - |
Univ Valencia - España
University of Valencia - España Universitat de València - España |
| 32 | Fujita, Y. | - |
Osaka Univ - Japón
Osaka University - Japón |
| 33 | Tanaka, Masayuki | Hombre |
Osaka Univ - Japón
Osaka University - Japón |
| 34 | Gelletly, W. | - |
Univ Valencia - España
Univ Surrey - Reino Unido University of Valencia - España University of Surrey - Reino Unido Universitat de València - España |
| 35 | AGUILERA-POBLETE, PATRICIO | Hombre |
Santiago Ctr - Chile
Comision Chilena de Energia Nuclear - Chile |
| 36 | MOLINA-PALACIOS, FRANCISCO GABRIEL | Hombre |
Santiago Ctr - Chile
Comision Chilena de Energia Nuclear - Chile |
| 37 | Diel, F. | - |
Univ Cologne - Alemania
University of Cologne - Alemania Universität zu Köln - Alemania |
| 38 | Lubos, D. | - |
TECH UNIV MUNICH - Alemania
Fakultät für Physik, Technische Universität München - Alemania |
| 39 | de France, G. | - |
INFN - Italia
Grand Accelerateur Natl Ions Lourds - Francia Laboratori Nazionali di Legnaro - Italia GANIL Grand Accelerateur National d'Ions Lourds - Francia |
| 40 | Napoli, D. | - |
INFN - Italia
Laboratori Nazionali di Legnaro - Italia |
| 41 | Borcea, C. | - |
IFIN HH - Rumania
Horia Hulubei National Institute of Physics and Nuclear Engineering - Rumania |
| 42 | Boso, A. | - |
Univ Padua - Italia
Università degli Studi di Padova - Italia |
| 43 | Cakirli, R. B. | - |
Istanbul Univ - Turquía
Istanbul Üniversitesi - Turquía |
| 44 | Ganioglu, E. | - |
Istanbul Univ - Turquía
Istanbul Üniversitesi - Turquía |
| 45 | Chiba, J. | - |
Tokyo Univ Sci - Japón
Tokyo University of Science - Japón |
| 46 | Nishimura, D. | - |
Tokyo Univ Sci - Japón
Tokyo University of Science - Japón |
| 47 | Oikawa, H. | - |
Tokyo Univ Sci - Japón
Tokyo University of Science - Japón |
| 48 | Takei, Y. | - |
Tokyo Univ Sci - Japón
Tokyo University of Science - Japón |
| 49 | Yagi, S. | - |
Tokyo Univ Sci - Japón
Tokyo University of Science - Japón |
| 50 | Wimmer, K. | - |
Univ Tokyo - Japón
University of Tokyo - Japón The University of Tokyo - Japón |
| 51 | de France, G. | - |
INFN - Italia
Grand Accelerateur Natl Ions Lourds - Francia Laboratori Nazionali di Legnaro - Italia GANIL Grand Accelerateur National d'Ions Lourds - Francia |
| 52 | Go, S. | - |
Univ Valencia - España
UNIV TENNESSEE - Estados Unidos University of Valencia - España The University of Tennessee, Knoxville - Estados Unidos Universitat de València - España |
| 53 | Brown, B. A. | - |
Michigan State Univ - Estados Unidos
Michigan State University - Estados Unidos |
| Fuente |
|---|
| National Science Foundation |
| Spanish Ministerio de Economía y Competitividad |
| Ministerio de Economía y Competitividad |
| NSF |
| Japan Society for the Promotion of Science |
| Science and Technology Facilities Council |
| Ministerio de EconomÃa y Competitividad |
| Ministry of Education, Culture, Sports, Science and Technology |
| UK Science and Technology Facilities Council (STFC) |
| JSPS KAKENHI grant |
| MEXT Japan |
| Faculty of Science and Engineering, University of Manchester |
| Japanese Society for the Promotion of Science |
| Istanbul University Scientific Project Unit |
| Max-Planck Partner group |
| Junta para la Ampliacion de Estudios Programme (CSIC JAE-Doc) - FSE |
| Centro de Excelencia Severo Ochoa del |
| French-Japanese "Laboratoire international associe" FJ-NSP |
| RIBF |
| Agradecimiento |
|---|
| This experiment was carried out under Programs No. NP0702-RIBF4R1-01, No. NP1112-RIBF82, and No. NP1112-RIBF93 at the RIBF operated by RIKEN Nishina Center, RIKEN and CNS, University of Tokyo. We would like to thank the whole RIBF accelerator staff for the support during the experiment and for maintaining excellent beam conditions with record intensities. This work was supported by the French-Japanese "Laboratoire international associe" FJ-NSP, by JSPS KAKENHI Grant No. 25247045, by the Istanbul University Scientific Project Unit under Project No. BYP-53195, by the Max-Planck Partner group and the Istanbul University Scientific Project Unit under Project No. YP-54135, by the NSF Grant No. PHY-1404442, by the UK Science and Technology Facilities Council (STFC) Grant No. ST/F012012/1, by the Japanese Society for the Promotion of Science under Grant No. 26 04808, by MEXT Japan under Grant No. 15K05104, and by the Spanish Ministerio de Economia y Competitividad under Grants No. FPA2011-24553 and No. FPA2014-52823-C2-1-P, Centro de Excelencia Severo Ochoa del IFIC SEV-2014-0398; Junta para la Ampliacion de Estudios Programme (CSIC JAE-Doc contract) cofinanced by FSE. |
| This work was supported by the French-Japanese Laboratoire international associate FJ-NSP, by JSPS KAKENHI Grant No. 25247045, by the Istanbul University Scientific Project Unit under Project No. BYP-53195, by the Max-Planck Partner group and the Istanbul University Scientific Project Unit under Project No. YP-54135, by the NSF Grant No. PHY-1404442, by the UK Science and Technology Facilities Council (STFC) Grant No. ST/F012012/1, by the Japanese Society for the Promotion of Science under Grant No. 26 04808, by MEXT Japan under Grant No. 15K05104, and by the Spanish Ministerio de Economia y Competitividad under Grants No. FPA2011-24553 and No. FPA2014-52823-C2-1-P, Centro de Excelencia Severo Ochoa del IFIC SEV-2014-0398; Junta para la Ampliacion de Estudios Programme (CSIC JAE-Doc contract) cofinanced by FSE. |
