Low-lying structure of the neutron-deficient isotope RN-202

S J Freeman; A G Smith; S J Warburton; B B Back; I G Bearden; D J Blumenthal; M P Carpenter; B Crowell; C N Davids; D Henderson; R V F Janssens; T L Khoo; T Lauritsen; C J Lister; D Nisius; H T Penttila; J A Becker; P Chowdhury; E F Moore

Low-lying structure of the neutron-deficient isotope RN-202

S J Freeman, A G Smith, S J Warburton, B B Back, I G Bearden, D J Blumenthal, M P Carpenter, B Crowell, C N Davids, D Henderson, R V F Janssens, T L Khoo, T Lauritsen, C J Lister, D Nisius, H T Penttila, J A Becker, P Chowdhury, E F Moore

Research output: Contribution to journal › Article › peer-review

Abstract

The low-lying level structure of the neutron-deficient isotope Rn-202 has been studied for the first time, using the Ta-181(Al-27,6n) and Pt-192(O-16,6n) reactions. Gamma-ray transitions between excited states in Rn-202 were identified by mass tagging using a recoil mass separator, the Argonne Fragment Mass Analyzer, and by observation of coincident x rays. Transitions in Rn-203 were also identified. The level scheme deduced from these data is consistent with the systematics of light radon isotopes below the N = 126 shell closure and with theoretical calculations indicating that the ground-state shape should not be strongly deformed at N = 116.

Original language	English
Pages (from-to)	R1754-R1758
Journal	Physical Review C
Volume	50
Issue number	4
Publication status	Published - 1994

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Freeman, S. J., Smith, A. G., Warburton, S. J., Back, B. B., Bearden, I. G., Blumenthal, D. J., Carpenter, M. P., Crowell, B., Davids, C. N., Henderson, D., Janssens, R. V. F., Khoo, T. L., Lauritsen, T., Lister, C. J., Nisius, D., Penttila, H. T., Becker, J. A., Chowdhury, P., & Moore, E. F. (1994). Low-lying structure of the neutron-deficient isotope RN-202. Physical Review C, 50(4), R1754-R1758.

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title = "Low-lying structure of the neutron-deficient isotope RN-202",

abstract = "The low-lying level structure of the neutron-deficient isotope Rn-202 has been studied for the first time, using the Ta-181(Al-27,6n) and Pt-192(O-16,6n) reactions. Gamma-ray transitions between excited states in Rn-202 were identified by mass tagging using a recoil mass separator, the Argonne Fragment Mass Analyzer, and by observation of coincident x rays. Transitions in Rn-203 were also identified. The level scheme deduced from these data is consistent with the systematics of light radon isotopes below the N = 126 shell closure and with theoretical calculations indicating that the ground-state shape should not be strongly deformed at N = 116.",

author = "Freeman, {S J} and Smith, {A G} and Warburton, {S J} and Back, {B B} and Bearden, {I G} and Blumenthal, {D J} and Carpenter, {M P} and B Crowell and Davids, {C N} and D Henderson and Janssens, {R V F} and Khoo, {T L} and T Lauritsen and Lister, {C J} and D Nisius and Penttila, {H T} and Becker, {J A} and P Chowdhury and Moore, {E F}",

note = "Times Cited: 11",

year = "1994",

language = "English",

volume = "50",

pages = "R1754--R1758",

journal = "Physical Review C: Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

number = "4",

}

TY - JOUR

T1 - Low-lying structure of the neutron-deficient isotope RN-202

AU - Freeman, S J

AU - Smith, A G

AU - Warburton, S J

AU - Back, B B

AU - Bearden, I G

AU - Blumenthal, D J

AU - Carpenter, M P

AU - Crowell, B

AU - Davids, C N

AU - Henderson, D

AU - Janssens, R V F

AU - Khoo, T L

AU - Lauritsen, T

AU - Lister, C J

AU - Nisius, D

AU - Penttila, H T

AU - Becker, J A

AU - Chowdhury, P

AU - Moore, E F

N1 - Times Cited: 11

PY - 1994

Y1 - 1994

N2 - The low-lying level structure of the neutron-deficient isotope Rn-202 has been studied for the first time, using the Ta-181(Al-27,6n) and Pt-192(O-16,6n) reactions. Gamma-ray transitions between excited states in Rn-202 were identified by mass tagging using a recoil mass separator, the Argonne Fragment Mass Analyzer, and by observation of coincident x rays. Transitions in Rn-203 were also identified. The level scheme deduced from these data is consistent with the systematics of light radon isotopes below the N = 126 shell closure and with theoretical calculations indicating that the ground-state shape should not be strongly deformed at N = 116.

AB - The low-lying level structure of the neutron-deficient isotope Rn-202 has been studied for the first time, using the Ta-181(Al-27,6n) and Pt-192(O-16,6n) reactions. Gamma-ray transitions between excited states in Rn-202 were identified by mass tagging using a recoil mass separator, the Argonne Fragment Mass Analyzer, and by observation of coincident x rays. Transitions in Rn-203 were also identified. The level scheme deduced from these data is consistent with the systematics of light radon isotopes below the N = 126 shell closure and with theoretical calculations indicating that the ground-state shape should not be strongly deformed at N = 116.

M3 - Article

VL - 50

SP - R1754-R1758

JO - Physical Review C: Nuclear Physics

JF - Physical Review C: Nuclear Physics

SN - 0556-2813

IS - 4

ER -

Low-lying structure of the neutron-deficient isotope RN-202

Abstract

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