Probing the quadrupole transition strength of C15 via deuteron inelastic scattering

J. Chen; B. P. Kay; T. L. Tang; I. A. Tolstukhin; C. R. Hoffman; H. Li; P. Yin; X. Zhao; P. Maris; J. P. Vary; G. Li; J. L. Lou; M. L. Avila; Y. Ayyad; S. Bennett; D. Bazin; J. A. Clark; S. J. Freeman; H. Jayatissa; C. Müller-Gatermann; A. Munoz-Ramos; D. Santiago-Gonzalez; D. K. Sharp; A. H. Wuosmaa; C. X. Yuan

doi:10.1103/PhysRevC.106.064312

Probing the quadrupole transition strength of C15 via deuteron inelastic scattering

J. Chen, B. P. Kay, T. L. Tang, I. A. Tolstukhin, C. R. Hoffman, H. Li, P. Yin, X. Zhao, P. Maris, J. P. Vary, G. Li, J. L. Lou, M. L. Avila, Y. Ayyad, S. Bennett, D. Bazin, J. A. Clark, S. J. Freeman, H. Jayatissa, C. Müller-GatermannA. Munoz-Ramos, D. Santiago-Gonzalez, D. K. Sharp, A. H. Wuosmaa, C. X. Yuan

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Abstract

Deuteron elastic scattering from 15C and inelastic scattering reactions to the first excited state of 15C were studied using a radioactive beam of 15 C in inverse kinematics. The scattered deuterons were measured using HELIOS. The elastic scattering differential cross sections were analyzed using the optical model. A matter deformation length δd=1.04(11)fm has been extracted from the differential cross sections of inelastic scattering to the first excited state. The ratio of neutron and proton matrix elements Mn/Mp=3.6(4) has been determined from this quadrupole transition. Neutron effective charges and core-polarization parameters of 15C were determined and discussed. Results from ab initio no-core configuration interaction calculations were also compared with the experimental observations. This result supports a moderate core decoupling effect of the valence neutron in 15 C similarly to its isotone 17 O , in line with the interpretation of other neutron-rich carbon isotopes.

Original language	English
Journal	Physical Review C
Volume	106
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.106.064312
Publication status	Published - 12 Dec 2022

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Chen, J., Kay, B. P., Tang, T. L., Tolstukhin, I. A., Hoffman, C. R., Li, H., Yin, P., Zhao, X., Maris, P., Vary, J. P., Li, G., Lou, J. L., Avila, M. L., Ayyad, Y., Bennett, S., Bazin, D., Clark, J. A., Freeman, S. J., Jayatissa, H., ... Yuan, C. X. (2022). Probing the quadrupole transition strength of C15 via deuteron inelastic scattering. Physical Review C, 106(6). https://doi.org/10.1103/PhysRevC.106.064312

@article{c8dea52b60eb4b728d108b85f43abf37,

title = "Probing the quadrupole transition strength of C15 via deuteron inelastic scattering",

abstract = "Deuteron elastic scattering from 15C and inelastic scattering reactions to the first excited state of 15C were studied using a radioactive beam of 15 C in inverse kinematics. The scattered deuterons were measured using HELIOS. The elastic scattering differential cross sections were analyzed using the optical model. A matter deformation length δd=1.04(11)fm has been extracted from the differential cross sections of inelastic scattering to the first excited state. The ratio of neutron and proton matrix elements Mn/Mp=3.6(4) has been determined from this quadrupole transition. Neutron effective charges and core-polarization parameters of 15C were determined and discussed. Results from ab initio no-core configuration interaction calculations were also compared with the experimental observations. This result supports a moderate core decoupling effect of the valence neutron in 15 C similarly to its isotone 17 O , in line with the interpretation of other neutron-rich carbon isotopes.",

author = "J. Chen and Kay, {B. P.} and Tang, {T. L.} and Tolstukhin, {I. A.} and Hoffman, {C. R.} and H. Li and P. Yin and X. Zhao and P. Maris and Vary, {J. P.} and G. Li and Lou, {J. L.} and Avila, {M. L.} and Y. Ayyad and S. Bennett and D. Bazin and Clark, {J. A.} and Freeman, {S. J.} and H. Jayatissa and C. M{\"u}ller-Gatermann and A. Munoz-Ramos and D. Santiago-Gonzalez and Sharp, {D. K.} and Wuosmaa, {A. H.} and Yuan, {C. X.}",

year = "2022",

month = dec,

day = "12",

doi = "10.1103/PhysRevC.106.064312",

language = "English",

volume = "106",

journal = "Physical Review C",

issn = "0556-2813",

publisher = "American Physical Society",

number = "6",

}

Chen, J, Kay, BP, Tang, TL, Tolstukhin, IA, Hoffman, CR, Li, H, Yin, P, Zhao, X, Maris, P, Vary, JP, Li, G, Lou, JL, Avila, ML, Ayyad, Y, Bennett, S, Bazin, D, Clark, JA, Freeman, SJ, Jayatissa, H, Müller-Gatermann, C, Munoz-Ramos, A, Santiago-Gonzalez, D, Sharp, DK, Wuosmaa, AH & Yuan, CX 2022, 'Probing the quadrupole transition strength of C15 via deuteron inelastic scattering', Physical Review C, vol. 106, no. 6. https://doi.org/10.1103/PhysRevC.106.064312

TY - JOUR

T1 - Probing the quadrupole transition strength of C15 via deuteron inelastic scattering

AU - Chen, J.

AU - Kay, B. P.

AU - Tang, T. L.

AU - Tolstukhin, I. A.

AU - Hoffman, C. R.

AU - Li, H.

AU - Yin, P.

AU - Zhao, X.

AU - Maris, P.

AU - Vary, J. P.

AU - Li, G.

AU - Lou, J. L.

AU - Avila, M. L.

AU - Ayyad, Y.

AU - Bennett, S.

AU - Bazin, D.

AU - Clark, J. A.

AU - Freeman, S. J.

AU - Jayatissa, H.

AU - Müller-Gatermann, C.

AU - Munoz-Ramos, A.

AU - Santiago-Gonzalez, D.

AU - Sharp, D. K.

AU - Wuosmaa, A. H.

AU - Yuan, C. X.

PY - 2022/12/12

Y1 - 2022/12/12

N2 - Deuteron elastic scattering from 15C and inelastic scattering reactions to the first excited state of 15C were studied using a radioactive beam of 15 C in inverse kinematics. The scattered deuterons were measured using HELIOS. The elastic scattering differential cross sections were analyzed using the optical model. A matter deformation length δd=1.04(11)fm has been extracted from the differential cross sections of inelastic scattering to the first excited state. The ratio of neutron and proton matrix elements Mn/Mp=3.6(4) has been determined from this quadrupole transition. Neutron effective charges and core-polarization parameters of 15C were determined and discussed. Results from ab initio no-core configuration interaction calculations were also compared with the experimental observations. This result supports a moderate core decoupling effect of the valence neutron in 15 C similarly to its isotone 17 O , in line with the interpretation of other neutron-rich carbon isotopes.

AB - Deuteron elastic scattering from 15C and inelastic scattering reactions to the first excited state of 15C were studied using a radioactive beam of 15 C in inverse kinematics. The scattered deuterons were measured using HELIOS. The elastic scattering differential cross sections were analyzed using the optical model. A matter deformation length δd=1.04(11)fm has been extracted from the differential cross sections of inelastic scattering to the first excited state. The ratio of neutron and proton matrix elements Mn/Mp=3.6(4) has been determined from this quadrupole transition. Neutron effective charges and core-polarization parameters of 15C were determined and discussed. Results from ab initio no-core configuration interaction calculations were also compared with the experimental observations. This result supports a moderate core decoupling effect of the valence neutron in 15 C similarly to its isotone 17 O , in line with the interpretation of other neutron-rich carbon isotopes.

U2 - 10.1103/PhysRevC.106.064312

DO - 10.1103/PhysRevC.106.064312

M3 - Article

SN - 0556-2813

VL - 106

JO - Physical Review C

JF - Physical Review C

IS - 6

ER -

Probing the quadrupole transition strength of C15 via deuteron inelastic scattering

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