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Radiative Decay Of Neutron-unbound Intruder States In O-19

Title: Radiative Decay Of Neutron-unbound Intruder States In O-19.
Name(s): Dungan, R., author
Tabor, S. L., author
Tripathi, Vandana, author
Volya, A., author
Kravvaris, K., author
Abromeit, B., author
Caussyn, D. D., author
Morrow, S., author
Parker, J. J., author
Tai, P.-L., author
VonMoss, J. M., author
Type of Resource: text
Genre: Text
Date Issued: 2016-02-22
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: The Be-9(C-14, alpha gamma) reaction at E-Lab = 30 and 35 MeV was used to study excited states of O-19. The Florida State University (FSU) gamma detector array was used to detect gamma radiation in coincidence with charged particles detected and identified with a silicon Delta E-E particle telescope. gamma decays have been observed for the first time from six states ranging from 368 to 2147 keV above the neutron separation energy (S-n = 3962 keV) in O-19. The gamma-decaying states are interspersed among states previously observed to decay by neutron emission. The ability of electromagnetic decay to compete successfully with neutron decay is explained in terms of neutron angular momentum barriers and small spectroscopic factors implying higher spin and complex structure for these intruder states. These results illustrate the need for complementary experimental approaches to best illuminate the complete nuclear structure.
Identifier: FSU_libsubv1_wos_000370798600001 (IID), 10.1103/PhysRevC.93.021302 (DOI)
Keywords: shell-model
Publication Note: The publisher's version of record is available at
Persistent Link to This Record:
Owner Institution: FSU
Is Part Of: Physical Review C.
Issue: iss. 2, vol. 93

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Dungan, R., Tabor, S. L., Tripathi, V., Volya, A., Kravvaris, K., Abromeit, B., … VonMoss, J. M. (2016). Radiative Decay Of Neutron-unbound Intruder States In O-19. Physical Review C. Retrieved from