Low-lying structure of $^{15}$C: Information on the N=8 shell gap

J Lois-Fuentes; B Fernández-Domínguez; X Pereira-López; F Delaunay; W.N Catford; A Matta; N.A Orr; T Duguet; T Otsuka; V Somà; O Sorlin; T Suzuki; N.L Achouri; M Assié; S Bailey; B Bastin; Y Blumenfeld; R Borcea; M Caamaño; L Caceres; E Clément; A Corsi; N Curtis; Q Deshayes; F Farget; M Fisichella; G de France; S Franchoo; M Freer; J Gibelin; A Gillibert; G.F Grinyer; F Hammache; O Kamalou; A Knapton; Tz Kokalova; V Lapoux; B.Le Crom; S Leblond; F.M Marqués; P Morfouace; J Pancin; L Perrot; J Piot; E Pollacco; D Ramos; D Regueira-Castro; C Rodríguez-Tajes; T Roger; F Rotaru; M Sénoville; N de Séréville; R Smith; M Stanoiu; I Stefan; C Stodel; D Suzuki; J.C Thomas; N Timofeyuk; M Vandebrouck; J Walshe; C Wheldon

doi:10.1051/epjconf/202329009008

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$Low-lying structure of $^{15}$C: Information on the N=8 shell gap$

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Low-lying structure of $^{15}$C: Information on the N=8 shell gap

J Lois-Fuentes, B Fernández-Domínguez, X Pereira-López, F Delaunay, W.N Catford, A Matta, N.A Orr, T Duguet, T Otsuka, V Somà, …

EPJ Web Conf, Vol.290

European Nuclear Physics Conference 2022

2023

DOI: https://doi.org/10.1051/epjconf/202329009008

Abstract

Nuclear Theory

Physics

The low-lying structure of 15C has been investigated via the neutron-removal d(16C, t) reaction. The experiment was performed at GANIL using a secondary 16C beam produced by fragmentation in the LISE spectrometer at 17.2 MeV/nucleon with an intensity of 5 × 104 pps and 100% purity. The angle and energy of the light ejectile were detected by three MUST2 telescopes. The missing mass technique was used to reconstruct the excitation energy of 15C. In this spectrum, two bound states were observed (gs and the first excited state) and two unbound resonant states above the neutron separation threshold (S n = 1.218 MeV). From the differential cross sections, information on the angular momentum of the transferred nucleon and spectroscopic factors were deduced.The excitation energies and the deduced spectroscopic factors of the negative parity states placed above the neutron separation energy are an important measurement of the 2p-1h configurations in 15C. Our results show good agreement with shell-model calculations with the YSOX interaction and show a sensitivity to the N=8 shell gap.

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Title: Low-lying structure of $^{15}$C: Information on the N=8 shell gap
Creators: J Lois-Fuentes - Universidade de Santiago de Compostela
B Fernández-Domínguez
X Pereira-López - Universidade de Santiago de Compostela
F Delaunay - Université de Caen Normandie
W.N Catford - University of Surrey
A Matta - University of Surrey
N.A Orr - Université de Caen Normandie
T Duguet - KU Leuven
T Otsuka - The University of Tokyo
V Somà - Institut Polytechnique de Paris
O Sorlin - Institut National de Physique Nucléaire et de Physique des Particules
T Suzuki - Nihon University
N.L Achouri - Université de Caen Normandie
M Assié - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
S Bailey - University of Birmingham
B Bastin - Laboratoire National Henri Becquerel
Y Blumenfeld - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
R Borcea - Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
M Caamaño - Universidade de Santiago de Compostela
L Caceres - Laboratoire National Henri Becquerel
E Clément - Laboratoire National Henri Becquerel
A Corsi - Université Paris-Saclay
N Curtis - University of Birmingham
Q Deshayes - Université de Caen Normandie
F Farget - Laboratoire National Henri Becquerel
M Fisichella - Laboratori Nazionali del Sud
G de France - Institut National de Physique Nucléaire et de Physique des Particules
S Franchoo - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
M Freer - University of Birmingham
J Gibelin - Université de Caen Normandie
A Gillibert - Institut de Recherche sur les Lois Fondamentales de l'Univers
G.F Grinyer - University of Regina
F Hammache - Université Paris-Saclay
O Kamalou - Laboratoire National Henri Becquerel
A Knapton - University of Surrey
Tz Kokalova - University of Birmingham
V Lapoux - Université Paris-Saclay
B.Le Crom - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
S Leblond - Université de Caen Normandie
F.M Marqués - Université de Caen Normandie
P Morfouace - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
J Pancin - Laboratoire National Henri Becquerel
L Perrot - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
J Piot - Laboratoire National Henri Becquerel
E Pollacco - Institut de Recherche sur les Lois Fondamentales de l'Univers
D Ramos - Universidade de Santiago de Compostela
D Regueira-Castro - Universidade de Santiago de Compostela
C Rodríguez-Tajes - Grand Accélérateur National d'Ions Lourds
T Roger - Institut National de Physique Nucléaire et de Physique des Particules
F Rotaru - Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
M Sénoville - Université de Caen Normandie
N de Séréville - Université Paris-Saclay
R Smith - Laboratori Nazionali del Sud
M Stanoiu - Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
I Stefan - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
C Stodel - Laboratoire National Henri Becquerel
D Suzuki - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
J.C Thomas - Laboratoire National Henri Becquerel
N Timofeyuk - University of Surrey
M Vandebrouck - Institut de Recherche sur les Lois Fondamentales de l'Univers
J Walshe - University of Birmingham
C Wheldon - University of Birmingham
Publication Details: EPJ Web Conf, Vol.290
Conference: European Nuclear Physics Conference 2022
Date published: 2023
Identifiers: 99843164902346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Conference proceeding

Low-lying structure of $^{15}$C: Information on the N=8 shell gap

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