First isomeric quadrupole moment measured in fragmentation reactions: the case of Fe-61(m)(9/2(+))

N. Vermeulen; S.K. Chamoli; J.M. Daugas; M. Hass; D.L. Balabanski; J.P. Delaroche; F. de Oliveira-Santos; G. Georgiev; M. Girod; G. Goldring; H. Goutte; S. Grevy; I. Matea; P. Morel; B.S. Nara Singh; Yu.-E. Penionzkevich; L. Perrot; O. Perru; S. Peru; O. Roig; F. Sarazin; G.S. Simpson; Yu. Sobolev; I. Stefan; C. Stodel; D.T. Yordanov; G. Neyens

doi:10.1103/PhysRevC.75.051302

First isomeric quadrupole moment measured in fragmentation reactions: the case of Fe-61(m)(9/2(+))

N. Vermeulen
, S.K. Chamoli
, J.M. Daugas
, M. Hass
, D.L. Balabanski
, J.P. Delaroche
, F. de Oliveira-Santos
, G. Georgiev
, M. Girod
, G. Goldring
, H. Goutte
, S. Grevy
, I. Matea
, P. Morel
, B.S. Nara Singh
, Yu.-E. Penionzkevich
, L. Perrot
, O. Perru
, S. Peru
, O. Roig

F. Sarazin, G.S. Simpson, Yu. Sobolev, I. Stefan, C. Stodel, D.T. Yordanov, G. Neyens

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

Abstract

This paper demonstrates the feasibility of quadrupole moment measurements on isomeric levels populated in projectile fragmentation reactions. The neutron-rich 61Fe(9/2+) [E∗= 861 keV, T1/2= 239(5) ns] isomer was produced and spin aligned by the intermediate energy fragmentation of a 64Ni beam and implanted in a Cd single crystal. Its spectroscopic quadrupole moment
∣∣Qs∣∣=41(6)efm2agrees with mean-field based calculations using the finite-range Gogny force, suggesting a moderately deformed shape characterized by an intrinsic charge quadrupole moment Q0=−85efm2 or
Q0=+115efm2. The present measurement paves the way for future determinations of isomeric quadrupole moments in more exotic nuclei.

Original language	English
Article number	051302(R)
Journal	Physical Review C
Volume	75
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.75.051302
Publication status	Published - 14 May 2007
Externally published	Yes

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Vermeulen, N., Chamoli, S. K., Daugas, J. M., Hass, M., Balabanski, D. L., Delaroche, J. P., de Oliveira-Santos, F., Georgiev, G., Girod, M., Goldring, G., Goutte, H., Grevy, S., Matea, I., Morel, P., Nara Singh, B. S., Penionzkevich, Y.-E., Perrot, L., Perru, O., Peru, S., ... Neyens, G. (2007). First isomeric quadrupole moment measured in fragmentation reactions: the case of Fe-61(m)(9/2(+)). Physical Review C, 75(5), Article 051302(R). https://doi.org/10.1103/PhysRevC.75.051302

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title = "First isomeric quadrupole moment measured in fragmentation reactions: the case of Fe-61(m)(9/2(+))",

abstract = "This paper demonstrates the feasibility of quadrupole moment measurements on isomeric levels populated in projectile fragmentation reactions. The neutron-rich 61Fe(9/2+) [E∗= 861 keV, T1/2= 239(5) ns] isomer was produced and spin aligned by the intermediate energy fragmentation of a 64Ni beam and implanted in a Cd single crystal. Its spectroscopic quadrupole moment ∣∣Qs∣∣=41(6)efm2agrees with mean-field based calculations using the finite-range Gogny force, suggesting a moderately deformed shape characterized by an intrinsic charge quadrupole moment Q0=−85efm2 or Q0=+115efm2. The present measurement paves the way for future determinations of isomeric quadrupole moments in more exotic nuclei.",

author = "N. Vermeulen and S.K. Chamoli and J.M. Daugas and M. Hass and D.L. Balabanski and J.P. Delaroche and \{de Oliveira-Santos\}, F. and G. Georgiev and M. Girod and G. Goldring and H. Goutte and S. Grevy and I. Matea and P. Morel and \{Nara Singh\}, B.S. and Yu.-E. Penionzkevich and L. Perrot and O. Perru and S. Peru and O. Roig and F. Sarazin and G.S. Simpson and Yu. Sobolev and I. Stefan and C. Stodel and D.T. Yordanov and G. Neyens",

year = "2007",

month = may,

day = "14",

doi = "10.1103/PhysRevC.75.051302",

language = "English",

volume = "75",

journal = "Physical Review C",

issn = "2469-9985",

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Vermeulen, N, Chamoli, SK, Daugas, JM, Hass, M, Balabanski, DL, Delaroche, JP, de Oliveira-Santos, F, Georgiev, G, Girod, M, Goldring, G, Goutte, H, Grevy, S, Matea, I, Morel, P, Nara Singh, BS, Penionzkevich, Y-E, Perrot, L, Perru, O, Peru, S, Roig, O, Sarazin, F, Simpson, GS, Sobolev, Y, Stefan, I, Stodel, C, Yordanov, DT & Neyens, G 2007, 'First isomeric quadrupole moment measured in fragmentation reactions: the case of Fe-61(m)(9/2(+))', Physical Review C, vol. 75, no. 5, 051302(R). https://doi.org/10.1103/PhysRevC.75.051302

TY - JOUR

T1 - First isomeric quadrupole moment measured in fragmentation reactions

T2 - the case of Fe-61(m)(9/2(+))

AU - Vermeulen, N.

AU - Chamoli, S.K.

AU - Daugas, J.M.

AU - Hass, M.

AU - Balabanski, D.L.

AU - Delaroche, J.P.

AU - de Oliveira-Santos, F.

AU - Georgiev, G.

AU - Girod, M.

AU - Goldring, G.

AU - Goutte, H.

AU - Grevy, S.

AU - Matea, I.

AU - Morel, P.

AU - Nara Singh, B.S.

AU - Penionzkevich, Yu.-E.

AU - Perrot, L.

AU - Perru, O.

AU - Peru, S.

AU - Roig, O.

AU - Sarazin, F.

AU - Simpson, G.S.

AU - Sobolev, Yu.

AU - Stefan, I.

AU - Stodel, C.

AU - Yordanov, D.T.

AU - Neyens, G.

PY - 2007/5/14

Y1 - 2007/5/14

N2 - This paper demonstrates the feasibility of quadrupole moment measurements on isomeric levels populated in projectile fragmentation reactions. The neutron-rich 61Fe(9/2+) [E∗= 861 keV, T1/2= 239(5) ns] isomer was produced and spin aligned by the intermediate energy fragmentation of a 64Ni beam and implanted in a Cd single crystal. Its spectroscopic quadrupole moment ∣∣Qs∣∣=41(6)efm2agrees with mean-field based calculations using the finite-range Gogny force, suggesting a moderately deformed shape characterized by an intrinsic charge quadrupole moment Q0=−85efm2 or Q0=+115efm2. The present measurement paves the way for future determinations of isomeric quadrupole moments in more exotic nuclei.

AB - This paper demonstrates the feasibility of quadrupole moment measurements on isomeric levels populated in projectile fragmentation reactions. The neutron-rich 61Fe(9/2+) [E∗= 861 keV, T1/2= 239(5) ns] isomer was produced and spin aligned by the intermediate energy fragmentation of a 64Ni beam and implanted in a Cd single crystal. Its spectroscopic quadrupole moment ∣∣Qs∣∣=41(6)efm2agrees with mean-field based calculations using the finite-range Gogny force, suggesting a moderately deformed shape characterized by an intrinsic charge quadrupole moment Q0=−85efm2 or Q0=+115efm2. The present measurement paves the way for future determinations of isomeric quadrupole moments in more exotic nuclei.

U2 - 10.1103/PhysRevC.75.051302

DO - 10.1103/PhysRevC.75.051302

M3 - Article

SN - 2469-9985

VL - 75

JO - Physical Review C

JF - Physical Review C

IS - 5

M1 - 051302(R)

ER -

First isomeric quadrupole moment measured in fragmentation reactions: the case of Fe-61(m)(9/2(+))

Abstract

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