A Revised Scheme for the Beta Decay of 115-Day Ta182

P. Gregers Hansen; H. L. Nielsen; K. Wilsky

doi:10.1016/0029-5582(64)90441-9

A Revised Scheme for the Beta Decay of 115-Day Ta¹⁸²

P. Gregers Hansen, H. L. Nielsen, K. Wilsky

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Abstract

A six-gap beta spectrometer, a xenon-filled proportional counter, scintillation equipment, and coincidence techniques have been used in a reinvestigation of the beta transitions to the known levels in W182. The main beta component of 522 keV (65%) is shown to proceed to the level at 1290 keV and not, as hitherto believed, to the 1222 keV level. The investigation has further revealed two new β components of higher energy: 591 keV (0.9±0.5% )and 1708 keV (0.05±0.01%). The 1708 keV transition represents a new example of K-forbidden 3−→2+ beta transitions in the rare-earth region.

Original language	English
Journal	NUCLEAR PHYSICS
Volume	54
Issue number	4
Pages (from-to)	657-664
ISSN	0029-5582
DOIs	https://doi.org/10.1016/0029-5582(64)90441-9
Publication status	Published - 1964

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title = "A Revised Scheme for the Beta Decay of 115-Day Ta182",

abstract = "A six-gap beta spectrometer, a xenon-filled proportional counter, scintillation equipment, and coincidence techniques have been used in a reinvestigation of the beta transitions to the known levels in W182. The main beta component of 522 keV (65%) is shown to proceed to the level at 1290 keV and not, as hitherto believed, to the 1222 keV level. The investigation has further revealed two new β components of higher energy: 591 keV (0.9±0.5% )and 1708 keV (0.05±0.01%). The 1708 keV transition represents a new example of K-forbidden 3−→2+ beta transitions in the rare-earth region.",

author = "Hansen, {P. Gregers} and Nielsen, {H. L.} and K. Wilsky",

year = "1964",

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T1 - A Revised Scheme for the Beta Decay of 115-Day Ta182

AU - Hansen, P. Gregers

AU - Nielsen, H. L.

AU - Wilsky, K.

PY - 1964

Y1 - 1964

N2 - A six-gap beta spectrometer, a xenon-filled proportional counter, scintillation equipment, and coincidence techniques have been used in a reinvestigation of the beta transitions to the known levels in W182. The main beta component of 522 keV (65%) is shown to proceed to the level at 1290 keV and not, as hitherto believed, to the 1222 keV level. The investigation has further revealed two new β components of higher energy: 591 keV (0.9±0.5% )and 1708 keV (0.05±0.01%). The 1708 keV transition represents a new example of K-forbidden 3−→2+ beta transitions in the rare-earth region.

AB - A six-gap beta spectrometer, a xenon-filled proportional counter, scintillation equipment, and coincidence techniques have been used in a reinvestigation of the beta transitions to the known levels in W182. The main beta component of 522 keV (65%) is shown to proceed to the level at 1290 keV and not, as hitherto believed, to the 1222 keV level. The investigation has further revealed two new β components of higher energy: 591 keV (0.9±0.5% )and 1708 keV (0.05±0.01%). The 1708 keV transition represents a new example of K-forbidden 3−→2+ beta transitions in the rare-earth region.

U2 - 10.1016/0029-5582(64)90441-9

DO - 10.1016/0029-5582(64)90441-9

M3 - Journal article

SN - 0029-5582

VL - 54

SP - 657

EP - 664

JO - NUCLEAR PHYSICS

JF - NUCLEAR PHYSICS

IS - 4

ER -