PROTON ALIGNMENTS AT HIGH ROTATIONAL FREQUENCY IN YB-167,YB-168

A Fitzpatrick; S Y Araddad; R Chapman; J Copnell; F Liden; J C Lisle; A G Smith; J P Sweeney; D M Thompson; W Urban; S J Warburton; J Simpson; C W Beausang; J F Sharpeyschafer; S J Freeman; S Leoni; J Wrzesinski

PROTON ALIGNMENTS AT HIGH ROTATIONAL FREQUENCY IN YB-167,YB-168

A Fitzpatrick, S Y Araddad, R Chapman, J Copnell, F Liden, J C Lisle, A G Smith, J P Sweeney, D M Thompson, W Urban, S J Warburton, J Simpson, C W Beausang, J F Sharpeyschafer, S J Freeman, S Leoni, J Wrzesinski

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

Abstract

High-spin states in Yb-167 and Yb-168 have been investigated using the Sn-124(Ca-48,xn) reaction at a bombarding energy of 210 MeV. The level sequences of the two nuclei were established from a large set of high-fold gamma-ray coincidence data detected in the EUROGAM spectrometer. The experimentally observed upbends at high rotational frequency are discussed in terms of the cranked shell model for protons both with and without pairing. An unpaired crossing involving interchange of proton orbitals is tentatively identified. No evidence was found for hyperdeformation.

Original language	English
Pages (from-to)	335-356
Journal	Nuclear Physics A
Volume	582
Issue number	1-2
Publication status	Published - 1995

Cite this

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title = "PROTON ALIGNMENTS AT HIGH ROTATIONAL FREQUENCY IN YB-167,YB-168",

abstract = "High-spin states in Yb-167 and Yb-168 have been investigated using the Sn-124(Ca-48,xn) reaction at a bombarding energy of 210 MeV. The level sequences of the two nuclei were established from a large set of high-fold gamma-ray coincidence data detected in the EUROGAM spectrometer. The experimentally observed upbends at high rotational frequency are discussed in terms of the cranked shell model for protons both with and without pairing. An unpaired crossing involving interchange of proton orbitals is tentatively identified. No evidence was found for hyperdeformation.",

author = "A Fitzpatrick and Araddad, {S Y} and R Chapman and J Copnell and F Liden and Lisle, {J C} and Smith, {A G} and Sweeney, {J P} and Thompson, {D M} and W Urban and Warburton, {S J} and J Simpson and Beausang, {C W} and Sharpeyschafer, {J F} and Freeman, {S J} and S Leoni and J Wrzesinski",

note = "Times Cited: 7",

year = "1995",

language = "English",

volume = "582",

pages = "335--356",

journal = "Nuclear Physics A",

issn = "0375-9474",

publisher = "Elsevier BV",

number = "1-2",

}

TY - JOUR

T1 - PROTON ALIGNMENTS AT HIGH ROTATIONAL FREQUENCY IN YB-167,YB-168

AU - Fitzpatrick, A

AU - Araddad, S Y

AU - Chapman, R

AU - Copnell, J

AU - Liden, F

AU - Lisle, J C

AU - Smith, A G

AU - Sweeney, J P

AU - Thompson, D M

AU - Urban, W

AU - Warburton, S J

AU - Simpson, J

AU - Beausang, C W

AU - Sharpeyschafer, J F

AU - Freeman, S J

AU - Leoni, S

AU - Wrzesinski, J

N1 - Times Cited: 7

PY - 1995

Y1 - 1995

N2 - High-spin states in Yb-167 and Yb-168 have been investigated using the Sn-124(Ca-48,xn) reaction at a bombarding energy of 210 MeV. The level sequences of the two nuclei were established from a large set of high-fold gamma-ray coincidence data detected in the EUROGAM spectrometer. The experimentally observed upbends at high rotational frequency are discussed in terms of the cranked shell model for protons both with and without pairing. An unpaired crossing involving interchange of proton orbitals is tentatively identified. No evidence was found for hyperdeformation.

AB - High-spin states in Yb-167 and Yb-168 have been investigated using the Sn-124(Ca-48,xn) reaction at a bombarding energy of 210 MeV. The level sequences of the two nuclei were established from a large set of high-fold gamma-ray coincidence data detected in the EUROGAM spectrometer. The experimentally observed upbends at high rotational frequency are discussed in terms of the cranked shell model for protons both with and without pairing. An unpaired crossing involving interchange of proton orbitals is tentatively identified. No evidence was found for hyperdeformation.

M3 - Article

SN - 0375-9474

VL - 582

SP - 335

EP - 356

JO - Nuclear Physics A

JF - Nuclear Physics A

IS - 1-2

ER -

PROTON ALIGNMENTS AT HIGH ROTATIONAL FREQUENCY IN YB-167,YB-168

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