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Journal Articles

$$beta^-$$ decay of $$T_z$$ = +$$frac{11}{2}$$ isotopes $$^{37}$$Al and $$^{39}$$Si; Understanding Gamow-Teller strength distribution in neutron-rich nuclei

Abromeit, B.*; Tripathi, V.*; Crawford, H. L.*; Liddick, S. N.*; Yoshida, Sota*; Utsuno, Yutaka; Bender, P. C.*; Crider, B. P.*; Dungan, R.*; Fallon, P.*; et al.

Physical Review C, 100(1), p.014323_1 - 014323_14, 2019/07

no abstracts in English

Journal Articles

$$beta$$ decay of $$^{38,40}$$Si ($$T_z$$ = +5, +6) to low-lying core excited states in odd-odd $$^{38,40}$$P isotopes

Tripathi, V.*; Lubna, R. S.*; Abromeit, B.*; Crawford, H. L.*; Liddick, S. N.*; Utsuno, Yutaka; Bender, P. C.*; Crider, B. P.*; Dungan, R.*; Fallon, P.*; et al.

Physical Review C, 95(2), p.024308_1 - 024308_7, 2017/02

AA2016-0485.pdf:0.5MB

 Times Cited Count:3 Percentile:39.76(Physics, Nuclear)

no abstracts in English

Journal Articles

Shape coexistence in $$^{68}$$Ni

Suchyta, S.*; Liddick, S. N.*; Tsunoda, Yusuke*; Otsuka, Takaharu*; Bennett, M. B.*; Chemey, A.*; Homma, Michio*; Larson, N.*; Prokop, C. J.*; Quinn, S. J.*; et al.

Physical Review C, 89(2), p.021301_1 - 021301_5, 2014/02

 Times Cited Count:46 Percentile:2.66(Physics, Nuclear)

no abstracts in English

Journal Articles

Multi-intruder structures in $$^{34}$$P

Bender, P. C.*; Tabor, S. L.*; Tripathi, V.*; Hoffman, C. R.*; Hamilton, L.*; Volya, A.*; Clark, R. M.*; Fallon, P.*; Macchiavelli, A. O.*; Paschalis, S.*; et al.

Physical Review C, 85(4), p.044305_1 - 044305_10, 2012/04

 Times Cited Count:11 Percentile:35.22(Physics, Nuclear)

The available experimental information on $$^{34}$$P has been greatly increased through the analysis of $$gamma$$ decays in coincidence with protons from the interaction of an $$^{18}$$O beam at 24 MeV with an $$^{18}$$O target. Light charged particles from the reaction were detected with Microball, and multiple $$gamma$$ ray coincidences with Gammasphere. Many newly observed $$gamma$$ transitions have been identified and placed in the level scheme. Additionally, for most states, spins have been assigned based on measured $$gamma$$ ray angular distributions while parities were inferred from lifetimes determined through Doppler-broadened line-shape analysis. Most of the states observed have been interpreted in terms of shell-model calculations using the WBP-a and SDPF-NR interactions having one particle in the 0$$f$$$$_{7/2}$$ or 1$$p$$$$_{3/2}$$ orbital. The two calculations agree almost equally well with the data resulting in root-mean-square differences of about 200 keV. However, two of a few high-lying states may be associated with stretched $$pi$$$$f$$$$_{7/2}$$ $$otimes$$ $$nu$$$$f$$$$_{7/2}$$ states, but the calculations over-predict their energies by 2-3 MeV. Furthermore, a newly observed long-lived 7919-keV state is established for which no explanation is available at present.

Journal Articles

Cross-shell excitations near the "island of inversion"; Structure of $$^{30}$$Mg

Daecon, A. N.*; Smith, J. F.*; Freeman, S. J.*; Janssens, R. V. F.*; Carpenter, M. P.*; Hadinia, B.*; Hoffman, C. R.*; Kay, B. P.*; Lauritsen, T.*; Lister, C. J.*; et al.

Physical Review C, 82(3), p.034305_1 - 034305_7, 2010/09

 Times Cited Count:14 Percentile:27.76(Physics, Nuclear)

no abstracts in English

Journal Articles

Intruder configurations in the A=33 isobars; $$^{33}$$Mg and $$^{33}$$Al

Tripathi, V.*; Tabor, S. L.*; Mantica, P. F.*; Utsuno, Yutaka; Bender, P.*; Cook, J.*; Hoffman, C. R.*; Lee, S.*; Otsuka, Takaharu*; Pereira, J.*; et al.

Physical Review Letters, 101(14), p.142504_1 - 142504_4, 2008/10

 Times Cited Count:43 Percentile:12.85(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Excited intruder states in $$^{32}$$Mg

Tripathi, V.*; Tabor, S. L.*; Bender, P.*; Hoffman, C. R.*; Lee, S.*; Pepper, K.*; Perry, M.*; Mantica, P.*; Cook, J. M.*; Pereira, J.*; et al.

Physical Review C, 77(3), p.034310_1 - 034310_8, 2008/03

 Times Cited Count:21 Percentile:20.02(Physics, Nuclear)

Excited states in $$^{32}$$Mg have been observed from a $$beta$$-decay experiment of $$^{32}$$Na which was performed at National Superconducting Cyclotron Laboratory in Michigan State University. The 2.1 MeV state proposed previously was denied because the corresponding $$gamma$$ ray is found to be located elsewhere. New level scheme is proposed and compared with the Monte Carlo shell model by JAEA. The ground state of $$^{32}$$Na appears to be a negative parity states from the decay pattern and the calculation. We suggested that the configuration of the states which are strongly populated via the $$beta$$ decay is 3p-3h, since the ground state of the parent nucleus is most likely 2p-3h character.

Journal Articles

Competition between normal and intruder states inside the "island of inversion"

Tripathi, V.*; Tabor, S. L.*; Mantica, P. F.*; Utsuno, Yutaka; Bender, P.*; Cook, J. M.*; Hoffman, C. R.*; Lee, S.*; Otsuka, Takaharu*; Pereira, J.*; et al.

Physical Review C, 76(2), p.021301_1 - 021301_5, 2007/08

 Times Cited Count:23 Percentile:16(Physics, Nuclear)

no abstracts in English

Journal Articles

$$beta$$-delayed $$gamma$$ spectroscopy of neutron rich $$^{27,28,29}$$Na

Tripathi, V.*; Tabor, S. L.*; Hoffman, C. R.*; Wiedeking, M.*; Volya, A.*; Mantica, P. F.*; Davies, A. D.*; Liddick, S. N.*; Mueller, W. F.*; Stolz, A.*; et al.

Physical Review C, 73(5), p.054303_1 - 054303_10, 2006/05

 Times Cited Count:28 Percentile:14.25(Physics, Nuclear)

no abstracts in English

Journal Articles

$$^{29}$$Na; Defining the edge of the island of inversion for Z=11

Tripathi, V.*; Tabor, S. L.*; Mantica, P. F.*; Hoffman, C. R.*; Wiedeking, M.*; Davies, A. D.*; Liddick, S. N.*; Mueller, W. F.*; Otsuka, Takaharu*; Stolz, A.*; et al.

Physical Review Letters, 94(16), p.162501_1 - 162501_4, 2005/04

 Times Cited Count:60 Percentile:10.93(Physics, Multidisciplinary)

no abstracts in English

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