Orbital dependent nucleonic pairing in the lightest known isotopes of tin

I. G. Darby; R. K. Grzywacz; J. C. Batchelder; C. R. Bingham; L. Cartegni; C. J. Gross; M. Hjorth-Jensen; D. T. Joss; S. N. Liddick; W. Nazarewicz; S. Padgett; R. D. Page; T. Papenbrock; M. M. Rajabali; J. Rotureau; K. P. Rykaczewski

doi:10.1103/PhysRevLett.105.162502

Orbital dependent nucleonic pairing in the lightest known isotopes of tin

I. G. Darby, R. K. Grzywacz, J. C. Batchelder, C. R. Bingham, L. Cartegni, C. J. Gross, M. Hjorth-Jensen, D. T. Joss, S. N. Liddick, W. Nazarewicz, S. Padgett, R. D. Page, T. Papenbrock, M. M. Rajabali, J. Rotureau, K. P. Rykaczewski

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100 Scopus citations

Abstract

By studying the Xe109→Te105→Sn101 superallowed α-decay chain, we observe low-lying states in Sn101, the one-neutron system outside doubly magic Sn100. We find that the spins of the ground state (J=7/2) and first excited state (J=5/2) in Sn101 are reversed with respect to the traditional level ordering postulated for Sn103 and the heavier tin isotopes. Through simple arguments and state-of-the-art shell-model calculations we explain this unexpected switch in terms of a transition from the single-particle regime to the collective mode in which orbital-dependent pairing correlations dominate.

Original language	English
Article number	162502
Journal	Physical Review Letters
Volume	105
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.105.162502
State	Published - Oct 12 2010

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Darby, I. G., Grzywacz, R. K., Batchelder, J. C., Bingham, C. R., Cartegni, L., Gross, C. J., Hjorth-Jensen, M., Joss, D. T., Liddick, S. N., Nazarewicz, W., Padgett, S., Page, R. D., Papenbrock, T., Rajabali, M. M., Rotureau, J., & Rykaczewski, K. P. (2010). Orbital dependent nucleonic pairing in the lightest known isotopes of tin. Physical Review Letters, 105(16), Article 162502. https://doi.org/10.1103/PhysRevLett.105.162502

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title = "Orbital dependent nucleonic pairing in the lightest known isotopes of tin",

abstract = "By studying the Xe109→Te105→Sn101 superallowed α-decay chain, we observe low-lying states in Sn101, the one-neutron system outside doubly magic Sn100. We find that the spins of the ground state (J=7/2) and first excited state (J=5/2) in Sn101 are reversed with respect to the traditional level ordering postulated for Sn103 and the heavier tin isotopes. Through simple arguments and state-of-the-art shell-model calculations we explain this unexpected switch in terms of a transition from the single-particle regime to the collective mode in which orbital-dependent pairing correlations dominate.",

author = "Darby, {I. G.} and Grzywacz, {R. K.} and Batchelder, {J. C.} and Bingham, {C. R.} and L. Cartegni and Gross, {C. J.} and M. Hjorth-Jensen and Joss, {D. T.} and Liddick, {S. N.} and W. Nazarewicz and S. Padgett and Page, {R. D.} and T. Papenbrock and Rajabali, {M. M.} and J. Rotureau and Rykaczewski, {K. P.}",

year = "2010",

month = oct,

day = "12",

doi = "10.1103/PhysRevLett.105.162502",

language = "English",

volume = "105",

journal = "Physical Review Letters",

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Darby, IG, Grzywacz, RK, Batchelder, JC, Bingham, CR, Cartegni, L, Gross, CJ, Hjorth-Jensen, M, Joss, DT, Liddick, SN, Nazarewicz, W, Padgett, S, Page, RD, Papenbrock, T, Rajabali, MM, Rotureau, J & Rykaczewski, KP 2010, 'Orbital dependent nucleonic pairing in the lightest known isotopes of tin', Physical Review Letters, vol. 105, no. 16, 162502. https://doi.org/10.1103/PhysRevLett.105.162502

TY - JOUR

T1 - Orbital dependent nucleonic pairing in the lightest known isotopes of tin

AU - Darby, I. G.

AU - Grzywacz, R. K.

AU - Batchelder, J. C.

AU - Bingham, C. R.

AU - Cartegni, L.

AU - Gross, C. J.

AU - Hjorth-Jensen, M.

AU - Joss, D. T.

AU - Liddick, S. N.

AU - Nazarewicz, W.

AU - Padgett, S.

AU - Page, R. D.

AU - Papenbrock, T.

AU - Rajabali, M. M.

AU - Rotureau, J.

AU - Rykaczewski, K. P.

PY - 2010/10/12

Y1 - 2010/10/12

N2 - By studying the Xe109→Te105→Sn101 superallowed α-decay chain, we observe low-lying states in Sn101, the one-neutron system outside doubly magic Sn100. We find that the spins of the ground state (J=7/2) and first excited state (J=5/2) in Sn101 are reversed with respect to the traditional level ordering postulated for Sn103 and the heavier tin isotopes. Through simple arguments and state-of-the-art shell-model calculations we explain this unexpected switch in terms of a transition from the single-particle regime to the collective mode in which orbital-dependent pairing correlations dominate.

AB - By studying the Xe109→Te105→Sn101 superallowed α-decay chain, we observe low-lying states in Sn101, the one-neutron system outside doubly magic Sn100. We find that the spins of the ground state (J=7/2) and first excited state (J=5/2) in Sn101 are reversed with respect to the traditional level ordering postulated for Sn103 and the heavier tin isotopes. Through simple arguments and state-of-the-art shell-model calculations we explain this unexpected switch in terms of a transition from the single-particle regime to the collective mode in which orbital-dependent pairing correlations dominate.

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DO - 10.1103/PhysRevLett.105.162502

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SN - 0031-9007

VL - 105

JO - Physical Review Letters

JF - Physical Review Letters

IS - 16

M1 - 162502

ER -

Orbital dependent nucleonic pairing in the lightest known isotopes of tin

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