Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics

Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics

The Isoscalar Giant Monopole Resonance (ISGMR) and the Isoscalar Giant Dipole Resonance (ISGDR) compression modes have been studied in the doubly-magic unstable nucleus 56Ni. They were measured by inelastic α-particle scattering in inverse kinematics at 50 MeV/u with the MAYA active target at the GA...

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Main Authors: S. Bagchi, J. Gibelin, M.N. Harakeh, N. Kalantar-Nayestanaki, N.L. Achouri, H. Akimune, B. Bastin, K. Boretzky, H. Bouzomita, M. Caamaño, L. Càceres, S. Damoy, F. Delaunay, B. Fernández-Domínguez, M. Fujiwara, U. Garg, G.F. Grinyer, O. Kamalou, E. Khan, A. Krasznahorkay, G. Lhoutellier, J.F. Libin, S. Lukyanov, K. Mazurek, M.A. Najafi, J. Pancin, Y. Penionzhkevich, L. Perrot, R. Raabe, C. Rigollet, T. Roger, S. Sambi, H. Savajols, M. Senoville, C. Stodel, L. Suen, J.C. Thomas, M. Vandebrouck, J. Van de Walle
Format: Article
Language:English
Published: Elsevier 2015-12-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269315008199
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author S. Bagchi
J. Gibelin
M.N. Harakeh
N. Kalantar-Nayestanaki
N.L. Achouri
H. Akimune
B. Bastin
K. Boretzky
H. Bouzomita
M. Caamaño
L. Càceres
S. Damoy
F. Delaunay
B. Fernández-Domínguez
M. Fujiwara
U. Garg
G.F. Grinyer
O. Kamalou
E. Khan
A. Krasznahorkay
G. Lhoutellier
J.F. Libin
S. Lukyanov
K. Mazurek
M.A. Najafi
J. Pancin
Y. Penionzhkevich
L. Perrot
R. Raabe
C. Rigollet
T. Roger
S. Sambi
H. Savajols
M. Senoville
C. Stodel
L. Suen
J.C. Thomas
M. Vandebrouck
J. Van de Walle
spellingShingle S. Bagchi
J. Gibelin
M.N. Harakeh
N. Kalantar-Nayestanaki
N.L. Achouri
H. Akimune
B. Bastin
K. Boretzky
H. Bouzomita
M. Caamaño
L. Càceres
S. Damoy
F. Delaunay
B. Fernández-Domínguez
M. Fujiwara
U. Garg
G.F. Grinyer
O. Kamalou
E. Khan
A. Krasznahorkay
G. Lhoutellier
J.F. Libin
S. Lukyanov
K. Mazurek
M.A. Najafi
J. Pancin
Y. Penionzhkevich
L. Perrot
R. Raabe
C. Rigollet
T. Roger
S. Sambi
H. Savajols
M. Senoville
C. Stodel
L. Suen
J.C. Thomas
M. Vandebrouck
J. Van de Walle
Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics
Physics Letters B
author_facet S. Bagchi
J. Gibelin
M.N. Harakeh
N. Kalantar-Nayestanaki
N.L. Achouri
H. Akimune
B. Bastin
K. Boretzky
H. Bouzomita
M. Caamaño
L. Càceres
S. Damoy
F. Delaunay
B. Fernández-Domínguez
M. Fujiwara
U. Garg
G.F. Grinyer
O. Kamalou
E. Khan
A. Krasznahorkay
G. Lhoutellier
J.F. Libin
S. Lukyanov
K. Mazurek
M.A. Najafi
J. Pancin
Y. Penionzhkevich
L. Perrot
R. Raabe
C. Rigollet
T. Roger
S. Sambi
H. Savajols
M. Senoville
C. Stodel
L. Suen
J.C. Thomas
M. Vandebrouck
J. Van de Walle
author_sort S. Bagchi
title Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics
title_short Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics
title_full Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics
title_fullStr Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics
title_full_unstemmed Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematics
title_sort observation of isoscalar multipole strengths in exotic doubly-magic 56ni in inelastic α scattering in inverse kinematics
publisher Elsevier
series Physics Letters B
issn 0370-2693
1873-2445
publishDate 2015-12-01
description The Isoscalar Giant Monopole Resonance (ISGMR) and the Isoscalar Giant Dipole Resonance (ISGDR) compression modes have been studied in the doubly-magic unstable nucleus 56Ni. They were measured by inelastic α-particle scattering in inverse kinematics at 50 MeV/u with the MAYA active target at the GANIL facility. The centroid of the ISGMR has been obtained at Ex=19.1±0.5 MeV. Evidence for the low-lying part of the ISGDR has been found at Ex=17.4±0.7 MeV. The strength distribution for the dipole mode shows similarity with the prediction from the Hartree–Fock (HF) based random-phase approximation (RPA) [1]. These measurements confirm inelastic α-particle scattering as a suitable probe for exciting the ISGMR and the ISGDR modes in radioactive isotopes in inverse kinematics.
url http://www.sciencedirect.com/science/article/pii/S0370269315008199
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spelling doaj-405f835bfd2f47e8be7ca7b494fc7d322020-11-25T00:50:53ZengElsevierPhysics Letters B0370-26931873-24452015-12-01751C37137510.1016/j.physletb.2015.10.060Observation of isoscalar multipole strengths in exotic doubly-magic 56Ni in inelastic α scattering in inverse kinematicsS. Bagchi0J. Gibelin1M.N. Harakeh2N. Kalantar-Nayestanaki3N.L. Achouri4H. Akimune5B. Bastin6K. Boretzky7H. Bouzomita8M. Caamaño9L. Càceres10S. Damoy11F. Delaunay12B. Fernández-Domínguez13M. Fujiwara14U. Garg15G.F. Grinyer16O. Kamalou17E. Khan18A. Krasznahorkay19G. Lhoutellier20J.F. Libin21S. Lukyanov22K. Mazurek23M.A. Najafi24J. Pancin25Y. Penionzhkevich26L. Perrot27R. Raabe28C. Rigollet29T. Roger30S. Sambi31H. Savajols32M. Senoville33C. Stodel34L. Suen35J.C. Thomas36M. Vandebrouck37J. Van de Walle38KVI-CART, University of Groningen, NL-9747 AA, Groningen, The NetherlandsLPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, FranceKVI-CART, University of Groningen, NL-9747 AA, Groningen, The NetherlandsKVI-CART, University of Groningen, NL-9747 AA, Groningen, The NetherlandsLPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, FranceDepartment of Physics, Konan University, Kobe 568-8501, JapanGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceGSI Helmholtzzentrum für Schwerionenforschung GmbH, 64291 Darmstadt, GermanyGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceUniversidade de Santiago de Compostela, E-15706 Santiago de Compostela, SpainGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceLPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, FranceUniversidade de Santiago de Compostela, E-15706 Santiago de Compostela, SpainResearch Center for Nuclear Physics, Osaka University, Osaka 567-0047, JapanPhysics Department, University of Notre Dame, Notre Dame, IN 46556, USAGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceInstitut de Physique Nucléaire, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, FranceInstitute of Nuclear Research (ATOMKI), Debrecen, P.O. Box 51, H-4001, HungaryLPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, FranceGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceG.N. Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Moscow oblast, 144980, RussiaInstitute of Nuclear Physics PAN, ul. Radzikowskiego 152, 31-342 Kraków, PolandKVI-CART, University of Groningen, NL-9747 AA, Groningen, The NetherlandsGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceG.N. Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, Dubna, Moscow oblast, 144980, RussiaInstitut de Physique Nucléaire, Université Paris Sud, IN2P3-CNRS, F-91406 Orsay Cedex, FranceInstituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, BelgiumKVI-CART, University of Groningen, NL-9747 AA, Groningen, The NetherlandsGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceInstituut voor Kern- en Stralingsfysica, KU Leuven, B-3001 Leuven, BelgiumGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceLPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, FranceGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceGrand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, Bvd Henri Becquerel, 14076 Caen, FranceLPC Caen, ENSICAEN, Université de Caen, CNRS/IN2P3, Caen, FranceKVI-CART, University of Groningen, NL-9747 AA, Groningen, The NetherlandsThe Isoscalar Giant Monopole Resonance (ISGMR) and the Isoscalar Giant Dipole Resonance (ISGDR) compression modes have been studied in the doubly-magic unstable nucleus 56Ni. They were measured by inelastic α-particle scattering in inverse kinematics at 50 MeV/u with the MAYA active target at the GANIL facility. The centroid of the ISGMR has been obtained at Ex=19.1±0.5 MeV. Evidence for the low-lying part of the ISGDR has been found at Ex=17.4±0.7 MeV. The strength distribution for the dipole mode shows similarity with the prediction from the Hartree–Fock (HF) based random-phase approximation (RPA) [1]. These measurements confirm inelastic α-particle scattering as a suitable probe for exciting the ISGMR and the ISGDR modes in radioactive isotopes in inverse kinematics.http://www.sciencedirect.com/science/article/pii/S0370269315008199

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