Low-lying single-particle structure of 17C and the N = 14 sub-shell closure

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PEREIRA-LÓPEZ, X., FERNÁNDEZ-DOMÍNGUEZ, B., DELAUNAY, F., ACHOURI, N.L., ORR, N.A., CATFORD, W.N., ASSIÉ, M., BAILEY, S., BASTIN, B., BLUMENFELD, Y., BORCEA, R., CAAMAÑO, M., CACERES, L., CLÉMENT, E., CORSI, A., CURTIS, N., DESHAYES, Q., FARGET, F., FISICHELLA, M., DE FRANCE, G., FRANCHOO, S., FREER, M., GIBELIN, J., GILLIBERT, A., GRINYER, G.F., HAMMACHE, F., KAMALOU, O., KNAPTON, A., KOKALOVA, T., LAPOUX, V., LAY, J.A., LE CROM, B., LEBLOND, S., LOIS-FUENTES, J., MARQUÉS, F.M., MATTA, A., MORFOUACE, P., MORO, A.M., OTSUKA, T., PANCIN, J., PERROT, L., PIOT, J., POLLACCO, E., RAMOS, D., RODRÍGUEZ-TAJES, C., ROGER, T., ROTARU, F., SÉNOVILLE, M., DE SÉRÉVILLE, N., SMITH, Robin, SORLIN, O., STANOIU, M., STEFAN, I., STODEL, C., SUZUKI, D., SUZUKI, T., THOMAS, J.C., TIMOFEYUK, N., VANDEBROUCK, M., WALSHE, J. and WHELDON, C. (2020). Low-lying single-particle structure of 17C and the N = 14 sub-shell closure. Physics Letters B, 811 (135939), p. 135939. [Article]

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Abstract
The first investigation of the single-particle structure of the bound states of 17C, via the C transfer reaction, has been undertaken. The measured angular distributions confirm the spin-parity assignments of and for the excited states located at 217 and 335 keV, respectively. The spectroscopic factors deduced for these states exhibit a marked single-particle character, in agreement with shell model and particle-core model calculations, and combined with their near degeneracy in energy provide clear evidence for the absence of the sub-shell closure. The very small spectroscopic factor found for the ground state is consistent with theoretical predictions and indicates that the strength is carried by unbound states. With a dominant valence neutron configuration and a very low separation energy, the excited state is a one-neutron halo candidate.
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Open Access URL:
https://www.sciencedirect.com/science/article/pii/...
Open Access Version:
Published version
Uncontrolled Keywords:
0105 Mathematical Physics; 0201 Astronomical and Space Sciences; 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics; Nuclear & Particles Physics
Page Range:
p. 135939

Identifiers

Identification Number:
10.1016/j.physletb.2020.135939
ORCID for X. Pereira-López: ORCID iD orcid.org/0000-0003-0678-3109
ORCID for L. Caceres: ORCID iD orcid.org/0000-0002-6237-680X
ORCID for S. Franchoo: ORCID iD orcid.org/0000-0001-7520-5922
ORCID for J.A. Lay: ORCID iD orcid.org/0000-0002-8457-1649
ORCID for B. Le Crom: ORCID iD orcid.org/0000-0001-9547-1662
ORCID for J. Lois-Fuentes: ORCID iD orcid.org/0000-0001-8653-2523
ORCID for A. Matta: ORCID iD orcid.org/0000-0002-0331-1563
ORCID for A.M. Moro: ORCID iD orcid.org/0000-0002-0012-8894
ORCID for D. Ramos: ORCID iD orcid.org/0000-0003-1822-6537
ORCID for F. Rotaru: ORCID iD orcid.org/0000-0003-2890-096X
ORCID for Robin Smith: ORCID iD orcid.org/0000-0002-9671-8599
ORCID for T. Suzuki: ORCID iD orcid.org/0000-0002-5500-539X

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Item Type:
Article
SWORD Depositor:
Symplectic Elements
Depositing User:
Symplectic Elements
Date Deposited:
30 Nov 2020 17:02
Last Modified:
18 Dec 2024 21:01
Date of first compliant deposit:
30 November 2020
Date of first compliant Open Access:
30 November 2020
Version of first compliant deposit:
Version of Record
URI:
https://shura.shu.ac.uk/id/eprint/27700
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