QUADRUPOLE-MOMENT OF THE I13/2 INTRUDER BAND IN GD-139

E S Paul; S A Forbes; D B Fossan; J Gizon; J R Hughes; S M Mullins; M S Metcalfe; P J Nolan; R J Poynter; P H Regan; G Smith; R Wadsworth

QUADRUPOLE-MOMENT OF THE I13/2 INTRUDER BAND IN GD-139

E S Paul, S A Forbes, D B Fossan, J Gizon, J R Hughes, S M Mullins, M S Metcalfe, P J Nolan, R J Poynter, P H Regan, G Smith, R Wadsworth

Physics

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

Abstract

The Doppler shift attenuation method has been used to extract the mean quadrupole moment of the nu-i13/2 intruder band in 139Gd. From a centroid-shift analysis of the data, and using Braune stopping powers, a value for the intrinsic nuclear quadrupole moment of Q0 congruent-to 7.0 eb is suggested, corresponding to a deformation beta-2 congruent-to 0.35. Because of appreciable side-feeding into the band at each level, a line-shape analysis of the data has also been attempted, in which the time structure of the side-feeding has been allowed to vary. This analysis indicates that the side-feeding is significantly slower than the in-band cascade.

Original language	English
Pages (from-to)	121-129
Number of pages	9
Journal	Journal of physics g-Nuclear and particle physics
Volume	18
Issue number	1
Publication status	Published - Jan 1992

Keywords

LIFETIME MEASUREMENTS
SUPERDEFORMED BAND
LINE

Cite this

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title = "QUADRUPOLE-MOMENT OF THE I13/2 INTRUDER BAND IN GD-139",

abstract = "The Doppler shift attenuation method has been used to extract the mean quadrupole moment of the nu-i13/2 intruder band in 139Gd. From a centroid-shift analysis of the data, and using Braune stopping powers, a value for the intrinsic nuclear quadrupole moment of Q0 congruent-to 7.0 eb is suggested, corresponding to a deformation beta-2 congruent-to 0.35. Because of appreciable side-feeding into the band at each level, a line-shape analysis of the data has also been attempted, in which the time structure of the side-feeding has been allowed to vary. This analysis indicates that the side-feeding is significantly slower than the in-band cascade.",

keywords = "LIFETIME MEASUREMENTS, SUPERDEFORMED BAND, LINE",

author = "Paul, {E S} and Forbes, {S A} and Fossan, {D B} and J Gizon and Hughes, {J R} and Mullins, {S M} and Metcalfe, {M S} and Nolan, {P J} and Poynter, {R J} and Regan, {P H} and G Smith and R Wadsworth",

year = "1992",

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language = "English",

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journal = "Journal of physics g-Nuclear and particle physics",

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TY - JOUR

T1 - QUADRUPOLE-MOMENT OF THE I13/2 INTRUDER BAND IN GD-139

AU - Paul, E S

AU - Forbes, S A

AU - Fossan, D B

AU - Gizon, J

AU - Hughes, J R

AU - Mullins, S M

AU - Metcalfe, M S

AU - Nolan, P J

AU - Poynter, R J

AU - Regan, P H

AU - Smith, G

AU - Wadsworth, R

PY - 1992/1

Y1 - 1992/1

N2 - The Doppler shift attenuation method has been used to extract the mean quadrupole moment of the nu-i13/2 intruder band in 139Gd. From a centroid-shift analysis of the data, and using Braune stopping powers, a value for the intrinsic nuclear quadrupole moment of Q0 congruent-to 7.0 eb is suggested, corresponding to a deformation beta-2 congruent-to 0.35. Because of appreciable side-feeding into the band at each level, a line-shape analysis of the data has also been attempted, in which the time structure of the side-feeding has been allowed to vary. This analysis indicates that the side-feeding is significantly slower than the in-band cascade.

AB - The Doppler shift attenuation method has been used to extract the mean quadrupole moment of the nu-i13/2 intruder band in 139Gd. From a centroid-shift analysis of the data, and using Braune stopping powers, a value for the intrinsic nuclear quadrupole moment of Q0 congruent-to 7.0 eb is suggested, corresponding to a deformation beta-2 congruent-to 0.35. Because of appreciable side-feeding into the band at each level, a line-shape analysis of the data has also been attempted, in which the time structure of the side-feeding has been allowed to vary. This analysis indicates that the side-feeding is significantly slower than the in-band cascade.

KW - LIFETIME MEASUREMENTS

KW - SUPERDEFORMED BAND

KW - LINE

M3 - Article

SN - 0954-3899

VL - 18

SP - 121

EP - 129

JO - Journal of physics g-Nuclear and particle physics

JF - Journal of physics g-Nuclear and particle physics

IS - 1

ER -