New narrow resonances observed in the unbound nucleus ¹⁵F

H. Li; V. Girard-Alcindor; A. Mercenne; Zs Podolyak; I. Stefan; F. de Oliveira Santos; N. Michel; M. Płoszajczak; M. Assié; A. Lemasson; E. Clément; F. Flavigny; A. Matta; D. Ramos; M. Rejmund; J. Dudouet; D. Ackermann; P. Adsley; M. Assunção; B. Bastin; G. Benzoni; R. Borcea; D. Beaumel; A.J. Boston; L. Cáceres; B. Cederwall; I. Celikovic; V. Chudoba; M. Ciemala; J. Collado; F.C.L. Crespi; G. D'Agata; G. De France; F. Delaunay; C. Diget; C. Domingo-Pardo; J. Eberth; C. Fougères; S. Franchoo; F. Galtarossa; A. Georgiadou; J. Gibelin; S. Giraud; V. González; N. Goyal; A. Gottardo; J. Goupil; S. Grévy; V. Guimaraes; F. Hammache; L.J. Harkness-Brennan; H. Hess; D.S. Judson Oliver; O. Kamalou; A. Kameneyero; J. Kiener; W. Korten; S. Koyama; M. Labiche; L. Lalanne; V. Lapoux; S. Leblond; A. Lefevre; C. Lenain; S. Leoni; A. Lopez-Martens; A. Maj; I. Matea; R. Menegazzo; D. Mengoni; A. Meyer; B. Million; B. Monteagudo; P. Morfouace; J. Mrazek; M. Niikura; J. Piot; C. Portail; A. Pullia; B. Quintana; F. Recchia; P. Reiter; K. Rezynkina; T. Roger; J.S. Rojo; F. Rotaru; M.D. Salsac; A.M. Sánchez Benitez; E. Sanchis; M. Şenyigit; N. De Séréville; M. Siciliano; J. Simpson; D. Sohler; O. Sorlin; M. Stanoiu; C. Stodel; D. Suzuki; C. Theisen; J.C. Thomas

doi:10.1103/PhysRevC.105.L051301

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New narrow resonances observed in the unbound nucleus ¹⁵F

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New narrow resonances observed in the unbound nucleus ¹⁵F

H. Li, V. Girard-Alcindor, A. Mercenne, Zs Podolyak, I. Stefan, F. de Oliveira Santos, N. Michel, M. Płoszajczak, M. Assié, A. Lemasson, …

Physical Review C, Vol.105, L051301

11/05/2022

DOI: https://doi.org/10.1103/PhysRevC.105.L051301

Abstract

Nuclear reactions

Nuclear structure & decays

Resonance reactions

Properties: 6 ≤ A ≤ 19

The structure of the unbound ¹⁵F nucleus is investigated using the inverse kinematics resonant scattering of a radioactive ¹⁴O beam impinging on a CH₂ target. The analysis of ¹H( ¹⁴O, p ) ¹⁴O and ¹H( ¹⁴O, 2p ) ¹³N reactions allowed the confirmation of the previously observed narrow 1/2− resonance, near the two-proton decay threshold, and the identification of two new narrow 5/2¯ and 3/2¯ resonances. The newly observed levels decay by 1p emission to the ground of ¹⁴O, and by sequential 2p emission to the ground state of ¹³N via the 1− resonance of ¹⁴O. Gamow shell model (GSM) analysis of the experimental data suggests that the wave functions of the 5/2¯ and 3/2¯ resonances may be collectivized by the continuum coupling to nearby 2p- and 1p-decay channels. The observed excitation function ¹H( ¹⁴O, p ) ¹⁴O and resonance spectrum in ¹⁵F are well reproduced in the unified framework of the GSM.

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Title: New narrow resonances observed in the unbound nucleus ¹⁵F
Creators: H. Li - University of Surrey, School of Chemistry and Chemical Engineering
V. Girard-Alcindor - Grand Accélérateur National d'Ions Lourds
A. Mercenne
Zs Podolyak - University of Surrey, School of Maths and Physics
I. Stefan - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
F. de Oliveira Santos - Grand Accélérateur National d'Ions Lourds
N. Michel
M. Płoszajczak - Grand Accélérateur National d'Ions Lourds
M. Assié - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
A. Lemasson - Grand Accélérateur National d'Ions Lourds
E. Clément - Grand Accélérateur National d'Ions Lourds
F. Flavigny - Laboratoire de physique corpusculaire de Caen
A. Matta - Laboratoire de physique corpusculaire de Caen
D. Ramos - Grand Accélérateur National d'Ions Lourds
M. Rejmund - Grand Accélérateur National d'Ions Lourds
J. Dudouet - Institut de Physique des 2 Infinis de Lyon
D. Ackermann - Grand Accélérateur National d'Ions Lourds
P. Adsley - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
M. Assunção
B. Bastin - Grand Accélérateur National d'Ions Lourds
G. Benzoni - INFN Sezione di Milano
R. Borcea
D. Beaumel - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
A.J. Boston
L. Cáceres - Grand Accélérateur National d'Ions Lourds
B. Cederwall
I. Celikovic
V. Chudoba
M. Ciemala
J. Collado
F.C.L. Crespi - INFN Sezione di Milano
G. D'Agata
G. De France - Grand Accélérateur National d'Ions Lourds
F. Delaunay - Laboratoire de physique corpusculaire de Caen
C. Diget
C. Domingo-Pardo
J. Eberth
C. Fougères - Grand Accélérateur National d'Ions Lourds
S. Franchoo - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
F. Galtarossa
A. Georgiadou
J. Gibelin - Laboratoire de physique corpusculaire de Caen
S. Giraud - Grand Accélérateur National d'Ions Lourds
V. González
N. Goyal - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
A. Gottardo
J. Goupil - Grand Accélérateur National d'Ions Lourds
S. Grévy - Grand Accélérateur National d'Ions Lourds
V. Guimaraes
F. Hammache - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
L.J. Harkness-Brennan
H. Hess
D.S. Judson Oliver
O. Kamalou - Grand Accélérateur National d'Ions Lourds
A. Kameneyero - Grand Accélérateur National d'Ions Lourds
J. Kiener - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
W. Korten - Institut de Recherches sur les lois Fondamentales de l'Univers
S. Koyama
M. Labiche
L. Lalanne - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
V. Lapoux - Institut de Recherches sur les lois Fondamentales de l'Univers
S. Leblond - Grand Accélérateur National d'Ions Lourds
A. Lefevre - Grand Accélérateur National d'Ions Lourds
C. Lenain - Laboratoire de Physique Corpusculaire de Caen
S. Leoni
A. Lopez-Martens - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
A. Maj
I. Matea - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
R. Menegazzo
D. Mengoni
A. Meyer - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
B. Million
B. Monteagudo - Laboratoire de physique corpusculaire de Caen
P. Morfouace - Grand Accélérateur National d'Ions Lourds
J. Mrazek
M. Niikura - The University of Tokyo
J. Piot - Grand Accélérateur National d'Ions Lourds
C. Portail - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
A. Pullia
B. Quintana
F. Recchia - Michigan State University
P. Reiter
K. Rezynkina - Institut Pluridisciplinaire Hubert Curien
T. Roger - Grand Accélérateur National d'Ions Lourds
J.S. Rojo
F. Rotaru
M.D. Salsac - Institut de Recherches sur les lois Fondamentales de l'Univers
A.M. Sánchez Benitez
E. Sanchis
M. Şenyigit
N. De Séréville - Laboratoire de Physique des 2 Infinis Irène Joliot-Curie
M. Siciliano - Institut de Recherches sur les lois Fondamentales de l'Univers
J. Simpson
D. Sohler
O. Sorlin - Grand Accélérateur National d'Ions Lourds
M. Stanoiu
C. Stodel - Grand Accélérateur National d'Ions Lourds
D. Suzuki
C. Theisen - Institut de Recherches sur les lois Fondamentales de l'Univers
J.C. Thomas - Grand Accélérateur National d'Ions Lourds
Publication Details: Physical Review C, Vol.105, L051301
Publisher: American Physical Society
Date published: 11/05/2022
Date accepted: 07/04/2022
Grant note: This work has been supported in part by the European Community FP6 Structuring the ERA Integrated Infrastructure Initiative, contract EURONS RII3-CT-2004-506065, U.S. Department of Energy Grant No. DE-SC0019521, COPIN and COPIGAL French-Polish scientific exchange programs, the French-Romanian IN2P3-IFIN-HH collaboration No. 03-33, the French-Czech LEA NuAG collaboration, French-Serbian collaboration No. 20505 and MESTD of Serbia Project No. 171018, the Polish grant NCN 2016/22/M/ST2/00269 and by the Helmholtz Association through the Nuclear Astrophysics Virtual Institute. This work has also benefited from high-performance computational resources provided by Louisiana State University [57]. This research was also supported by the OASIS Project No. ANR-17-CE31-0026, by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under the Contract No. DE-AC02-06CD11357. D.S. was supported by the JSPS KAKENHI Grant No. JP19H01914.
Identifiers: 99653766002346
Academic Unit: School of Maths and Physics
Language: English
Resource Type: Journal article

New narrow resonances observed in the unbound nucleus ¹⁵F

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