Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion

P. E. Garrett; K. L. Green; R. A.E. Austin; G. C. Ball; D. S. Bandyopadhyay; S. Colosimo; D. S. Cross; G. A. Demand; G. F. Grinyer; G. Hackman; W. D. Kulp; K. G. Leach; A. C. Morton; C. J. Pearson; A. A. Phillips; M. A. Schumaker; C. E. Svensson; J. Wong; J. L. Wood; S. W. Yates

doi:10.5506/APhysPolB.42.799

Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion

P. E. Garrett, K. L. Green, R. A.E. Austin, G. C. Ball, D. S. Bandyopadhyay, S. Colosimo, D. S. Cross, G. A. Demand, G. F. Grinyer, G. Hackman, W. D. Kulp, K. G. Leach, A. C. Morton, C. J. Pearson, A. A. Phillips, M. A. Schumaker, C. E. Svensson, J. Wong, J. L. Wood, S. W. Yates

Chemistry

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

12 Scopus citations

Abstract

The β decay of ¹¹²Ag has been used to populate spin 0 ⁺ and 2⁺ states in ¹¹²Cd to 3 MeV excitation energy. The statistical quality obtained allows the extraction of very weak γ-ray branching ratios that, combined with known level lifetimes, enables the determination of the B(E2) values or upper limits for transitions populating the proposed two-phonon states. While candidates for 3⁺, 4 ⁺, and 6⁺ three-phonon levels have been identified, there are no candidates for the 0⁺ and 2⁺ three phonon levels, and the upper limits of the B(E2) values indicate that phonon E2 strength is not fragmented, but absent below 5hω₂.

Original language	English
Pages (from-to)	799-802
Number of pages	4
Journal	Acta Physica Polonica B
Volume	42
Issue number	3-4
DOIs	https://doi.org/10.5506/APhysPolB.42.799
State	Published - Mar 2011

ASJC Scopus subject areas

General Physics and Astronomy

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10.5506/APhysPolB.42.799

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Garrett, P. E., Green, K. L., Austin, R. A. E., Ball, G. C., Bandyopadhyay, D. S., Colosimo, S., Cross, D. S., Demand, G. A., Grinyer, G. F., Hackman, G., Kulp, W. D., Leach, K. G., Morton, A. C., Pearson, C. J., Phillips, A. A., Schumaker, M. A., Svensson, C. E., Wong, J., Wood, J. L., & Yates, S. W. (2011). Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion. Acta Physica Polonica B, 42(3-4), 799-802. https://doi.org/10.5506/APhysPolB.42.799

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title = "Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion",

abstract = "The β decay of 112Ag has been used to populate spin 0 + and 2+ states in 112Cd to 3 MeV excitation energy. The statistical quality obtained allows the extraction of very weak γ-ray branching ratios that, combined with known level lifetimes, enables the determination of the B(E2) values or upper limits for transitions populating the proposed two-phonon states. While candidates for 3+, 4 +, and 6+ three-phonon levels have been identified, there are no candidates for the 0+ and 2+ three phonon levels, and the upper limits of the B(E2) values indicate that phonon E2 strength is not fragmented, but absent below 5hω2.",

author = "Garrett, {P. E.} and Green, {K. L.} and Austin, {R. A.E.} and Ball, {G. C.} and Bandyopadhyay, {D. S.} and S. Colosimo and Cross, {D. S.} and Demand, {G. A.} and Grinyer, {G. F.} and G. Hackman and Kulp, {W. D.} and Leach, {K. G.} and Morton, {A. C.} and Pearson, {C. J.} and Phillips, {A. A.} and Schumaker, {M. A.} and Svensson, {C. E.} and J. Wong and Wood, {J. L.} and Yates, {S. W.}",

year = "2011",

month = mar,

doi = "10.5506/APhysPolB.42.799",

language = "English",

volume = "42",

pages = "799--802",

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Garrett, PE, Green, KL, Austin, RAE, Ball, GC, Bandyopadhyay, DS, Colosimo, S, Cross, DS, Demand, GA, Grinyer, GF, Hackman, G, Kulp, WD, Leach, KG, Morton, AC, Pearson, CJ, Phillips, AA, Schumaker, MA, Svensson, CE, Wong, J, Wood, JL & Yates, SW 2011, 'Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion', Acta Physica Polonica B, vol. 42, no. 3-4, pp. 799-802. https://doi.org/10.5506/APhysPolB.42.799

TY - JOUR

T1 - Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion

AU - Garrett, P. E.

AU - Green, K. L.

AU - Austin, R. A.E.

AU - Ball, G. C.

AU - Bandyopadhyay, D. S.

AU - Colosimo, S.

AU - Cross, D. S.

AU - Demand, G. A.

AU - Grinyer, G. F.

AU - Hackman, G.

AU - Kulp, W. D.

AU - Leach, K. G.

AU - Morton, A. C.

AU - Pearson, C. J.

AU - Phillips, A. A.

AU - Schumaker, M. A.

AU - Svensson, C. E.

AU - Wong, J.

AU - Wood, J. L.

AU - Yates, S. W.

PY - 2011/3

Y1 - 2011/3

N2 - The β decay of 112Ag has been used to populate spin 0 + and 2+ states in 112Cd to 3 MeV excitation energy. The statistical quality obtained allows the extraction of very weak γ-ray branching ratios that, combined with known level lifetimes, enables the determination of the B(E2) values or upper limits for transitions populating the proposed two-phonon states. While candidates for 3+, 4 +, and 6+ three-phonon levels have been identified, there are no candidates for the 0+ and 2+ three phonon levels, and the upper limits of the B(E2) values indicate that phonon E2 strength is not fragmented, but absent below 5hω2.

AB - The β decay of 112Ag has been used to populate spin 0 + and 2+ states in 112Cd to 3 MeV excitation energy. The statistical quality obtained allows the extraction of very weak γ-ray branching ratios that, combined with known level lifetimes, enables the determination of the B(E2) values or upper limits for transitions populating the proposed two-phonon states. While candidates for 3+, 4 +, and 6+ three-phonon levels have been identified, there are no candidates for the 0+ and 2+ three phonon levels, and the upper limits of the B(E2) values indicate that phonon E2 strength is not fragmented, but absent below 5hω2.

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JO - Acta Physica Polonica B

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Using β-decay to map the E2 strength in the Cd isotopes and the downfall of vibrational motion

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