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Intruder Configurations Of Excited States In The Neutron-rich Isotopes P-33 And P-34

Title: Intruder Configurations Of Excited States In The Neutron-rich Isotopes P-33 And P-34.
Name(s): Lubna, R. S., author
Tripathi, Vandana, author
Tabor, S. L., author
Tai, P.-L., author
Kravvaris, K., author
Bender, P. C., author
Volya, A., author
Bouhelal, M., author
Chiara, C. J., author
Carpenter, M. P., author
Janssens, R. V. F., author
Lauritsen, T., author
McCutchan, E. A., author
Zhu, S., author
Clark, R. M., author
Fallon, P., author
Macchiavelli, A. O., author
Paschalis, S., author
Petri, M., author
Reviol, W., author
Sarantites, D. G., author
Type of Resource: text
Genre: Journal Article
Journal Article
Date Issued: 2018-04-16
Physical Form: computer
online resource
Extent: 1 online resource
Language(s): English
Abstract/Description: Excited states in the neutron-rich isotopes P-33 and P-34 were populated by the O-18 + O-18 fusion-evaporation reaction at E-lab = 24 MeV. The Gammasphere array was used along with the Microball particle detector array to detect gamma transitions in coincidence with the charged particles emitted from the compound nucleus S-36. The use of Microball enabled the selection of the proton emission channel. It also helped in determining the exact position and energy of the emitted proton; this was later employed in kinematic Doppler corrections. 16 new transitions and 13 new states were observed in P-33 and 21 gamma rays and 20 energy levels were observed in P-34 for the first time. The nearly 4 pi geometry of Gammasphere allowed the measurement of gamma-ray angular distributions leading to spin assignments for many states. The experimental observations for both isotopes were interpreted with the help of shell-model calculations using the (0+1)(h) over bar omega PSDPF interaction. The calculations accounted for both the 0p-0h and 1p-1h states reasonably well and indicated that 2p-2h excitations might dominate the higher-spin configurations in both P-33 and P-34.
Identifier: FSU_libsubv1_wos_000430060300003 (IID), 10.1103/PhysRevC.97.044312 (DOI)
Keywords: lifetimes, silicon, distributions, spins, 31p, 33p, si-33
Publication Note: The publisher’s version of record is available at
Persistent Link to This Record:
Host Institution: FSU
Is Part Of: Physical Review C.
Issue: iss. 4, vol. 97

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Lubna, R. S., Tripathi, V., Tabor, S. L., Tai, P. -L., Kravvaris, K., Bender, P. C., … Sarantites, D. G. (2018). Intruder Configurations Of Excited States In The Neutron-rich Isotopes P-33 And P-34. Physical Review C. Retrieved from