Nakatsuka, N., Baba, H., Aumann, T., Avigo, R., Banerjee, S. R., Bracco, A., Caesar, C., Camera, F., Ceruti, S., Chen, S., Derya, V., Doornenbal, P., Giaz, A., Horvat, A., Ieki, K., Inakura, T., Imai, N., Kawabata, T., Kobayashi, N., Kondo, Y., Koyama, S., Kurata-Nishimura, M., Masuoka, S., Matsushita, M., Michimasa, S., Million, B., Motobayashi, T., Murakami, T., Nakamura, T., Ohnishi, T., Ong, H. J., Ota, S., Otsu, H., Ozaki, T., Saito, A., Sakurai, H., Scheit, H., Schindler, F., Schrock, P., Shiga, Y., Shikata, M., Shimoura, S., Steppenbeck, D., Sumikama, T., Syndikus, I., Takeda, H., Takeuchi, S., Tamii, A., Taniuchi, R., Togano, Y., Tscheuschner, J., Tsubota, J., Wang, H., Wieland, O., Wimmer, K., Yamaguchi, Y., Yoneda, K. and Zenihiro, J.
(2017).
Observation of isoscalar and isovector dipole excitations in neutron-rich O-20.
Phys. Lett. B, 768.
S. 387 - 393.
AMSTERDAM:
ELSEVIER SCIENCE BV.
ISSN 1873-2445
Full text not available from this repository.
Abstract
The isospin characters of low-energy dipole excitations in neutron-rich unstable nucleus O-20 were investigated, for the first time in unstable nuclei. Two spectra obtained from a dominant isovector probe (O-20 + Au) and a dominant isoscalar probe (O-20 + alpha) were compared and analyzed by the distorted-wave Born approximation to extract independently the isovector and isoscalar dipole strengths. Two known 1(-) states with large isovector dipole strengths at energies of 5.36(5) MeV (1(1)(-)) and 6.84(7) MeV (1(2)(-)) were also excited by the isoscalar probe. These two states were found to have different isoscalar dipole strengths, 2.70(32)%(1(1)(-)) and 0.67(12)%(1(2)(-)), respectively, in exhaustion of the isoscalar dipole-energy-weighted sum rule. The difference in isoscalar strength indicated that they have different underlying structures. (C) 2017 The Author(s). Published by Elsevier B.V.
Item Type: |
Journal Article
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Creators: |
Creators | Email | ORCID | ORCID Put Code |
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Nakatsuka, N. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Baba, H. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Aumann, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Avigo, R. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Banerjee, S. R. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Bracco, A. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Caesar, C. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Camera, F. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Ceruti, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Chen, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Derya, V. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Doornenbal, P. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Giaz, A. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Horvat, A. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Ieki, K. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Inakura, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Imai, N. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Kawabata, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Kobayashi, N. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Kondo, Y. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Koyama, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Kurata-Nishimura, M. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Masuoka, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Matsushita, M. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Michimasa, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Million, B. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Motobayashi, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Murakami, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Nakamura, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Ohnishi, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Ong, H. J. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Ota, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Otsu, H. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Ozaki, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Saito, A. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Sakurai, H. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Scheit, H. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Schindler, F. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Schrock, P. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Shiga, Y. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Shikata, M. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Shimoura, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Steppenbeck, D. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Sumikama, T. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Syndikus, I. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Takeda, H. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Takeuchi, S. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Tamii, A. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Taniuchi, R. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Togano, Y. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Tscheuschner, J. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Tsubota, J. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Wang, H. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Wieland, O. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Wimmer, K. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Yamaguchi, Y. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Yoneda, K. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED | Zenihiro, J. | UNSPECIFIED | UNSPECIFIED | UNSPECIFIED |
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URN: |
urn:nbn:de:hbz:38-231253 |
DOI: |
10.1016/j.physletb.2017.03.017 |
Journal or Publication Title: |
Phys. Lett. B |
Volume: |
768 |
Page Range: |
S. 387 - 393 |
Date: |
2017 |
Publisher: |
ELSEVIER SCIENCE BV |
Place of Publication: |
AMSTERDAM |
ISSN: |
1873-2445 |
Language: |
English |
Faculty: |
Unspecified |
Divisions: |
Unspecified |
Subjects: |
no entry |
Uncontrolled Keywords: |
Keywords | Language |
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STRENGTH; CA-40; SPECTROSCOPY; RESONANCE; STATES; BEAMS | Multiple languages | Astronomy & Astrophysics; Physics, Nuclear; Physics, Particles & Fields | Multiple languages |
|
Refereed: |
Yes |
URI: |
http://kups.ub.uni-koeln.de/id/eprint/23125 |
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