EWON Workshop, Prague, 10-12 May 2007 GOSIA as a tool for COULEX on exotic beams Katarzyna Wrzosek Heavy Ion Laboratory Warsaw University.

Slides:

Advertisements

Similar presentations

Model independent determination of quadrupole deformation parameters from Coulomb excitation measurements XVII th Nuclear Physics Workshop, Kazimierz Dolny.

Advertisements

GOSIA As a Simulation Tool J.Iwanicki, Heavy Ion Laboratory, UW.

Shape coexistence in exotic nuclei studied by low energy coulomb excitation Emmanuel Clément CERN-PH, Geneva.

Coulomb excitation with radioactive ion beams

Initial Science Case For GRETINA at ATLAS M.P. Carpenter Physics Division, Argonne National Laboratory ANL Gretina Workshop March 1, 2013.

March 1, 2013GRETINA workshop Coulomb excitation of even Ru and Mo isotopes Juho Rissanen Nuclear Structure Group, Lawrence Berkeley.

MINIBALL g-ray Spectroscopy far from Stability

Coulomb excitation with radioactive ion beams

University of Liverpool

Alpha Stucture of 12 B Studied by Elastic Scattering of 8 Li Excyt Beam on 4 He Thick Target M.G. Pellegriti Laboratori Nazionali del Sud – INFN Dipartimento.

Γ spectroscopy of neutron-rich 95,96 Rb nuclei by the incomplete fusion reaction of 94 Kr on 7 Li Simone Bottoni University of Milan Mini Workshop 1°-

Measurement of the GMR and the GQR in unstable nuclei using the MAYA active target C. Monrozeau (Ph. D), E. Khan, Y. Blumenfeld.

1 Andreas Görgen EURISOL – EURONS Town Meeting, Helsinki,

Evolution of nuclear shape in the light Radon isotopes Andrew Robinson, David Jenkins, Stewart Martin-Haugh University of York Jarno Van De Walle CERN.

Relativistic Coulomb excitation of nuclei near 100 Sn C.Fahlander, J. Eckman, M. Mineva, D. Rudolph, Dept. Phys., Lund University, Sweden M.G., A.Banu,

UNIVERSITY OF JYVÄSKYLÄ Results from the first tests with the SPEDE spectrometer Philippos Papadakis ISOLDE Workshop and Users Meeting 2014.

Nele Kesteloot1,2 On behalf of the IS452/IS479 collaboration

Wolfram KORTEN 1 Euroschool Leuven – Septemberi 2009 Coulomb excitation with radioactive ion beams Motivation and introductionMotivation and introduction.

Xy position from LYCCA Slowed down beams - new perspective for GOSIA scattering experiments at relativistic energies.

Reiner Krücken - Yale University Reiner Krücken Wright Nuclear Structure Laboratory Yale University Why do we measure lifetimes ? The recoil-distance method.

Shell Model based deformation analysis of light Cadmium isotopes T. Schmidt 1, A. Blazhev 1, K. Heyde 2, J. Jolie 1 1 Institut für Kernphysik, Universität.

Paul Greenlees, Department of Physics, University of Jyväskylä, FinlandENAM’04, Callaway Gardens, Sept04 In-beam and decay spectroscopy of transfermium.

Shape Evolution and Shape Coexistence in Neutron Rich A~100 Nuclei

Quadrupole collectivity in neutron-rich Cd isotopes Thorsten Kröll for the IS411/IS477/IS524 collaborations Work supported by BMBF (Nr. 06DA9036I and 05P12RDCIA),

W. Korten Nuclear collectivity and shape evolution in exotic nuclei Wolfram KORTEN CEA Saclay DSM/IRFU/SPhN.

Nuclear structure around 68 Ni J. Van de Walle, N. Kalantar et al. KVI Groningen Nuclear structure around 68 Ni J. Van de Walle, N. Kalantar et al. KVI.

Core-excited states in 101 Sn Darek Seweryniak, ANL GS/FMA collaboration.

1 Andreas Görgen Atelier ESNT Nuclear Shapes, Shape Coexistence, and Electromagnetic Moments An Experimentalist’s Perspective on the Interaction.

Exploring life-time of low-lying states in neutron-rich nuclei towards 78Ni with the plunger technique at GANIL B. Mouginot (IPN-Orsay) E. Fiori, G. Georgiev,

UNIVERSITY OF JYVÄSKYLÄ RDDS measurements at RITU and prospects at HIE-ISOLDE T. Grahn University of Jyväskylä HIE-ISOLDE Spectrometer Workshop, Lund

Experimental measurement of the deformation through the electromagnetic probe Shape coexistence in exotic Kr isotopes. Shape coexistence in exotic Kr isotopes.

LLNL-PRES This work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under contract DE-AC52-07NA27344.

Evolution of nuclear shape in the light Radon isotopes Andrew Robinson, David Jenkins, Stewart Martin-Haugh University of York Jarno Van De Walle CERN.

AGATA AGATA Advanced Gamma-Ray Tracking Array Next-generation spectrometer based on  -ray tracking Radioactive and stable beams, high recoil velocities.

Probed with radioactive beams at REX-ISOLDE Janne Pakarinen – on behalf of the IS494 collaboration – University of Jyväskylä ARIS 2014 Tokyo, Japan Shapes.

Coulomb excitation of neutron-rich 32,33 Mg nuclei with MINIBALL at HIE-ISOLDE P. Reiter 1, B. Siebeck 1, M. Seidlitz 1, A. Blazhev 1, K. Geibel 1, N.

Spectroscopy studies by  decay -Proton-rich nuclei N~Z Deformation in the mass region A~75 Fundamental aspects of weak interaction, test of CVC -Neutron-rich.

Search for chiral doublet structures in odd-A 79 Kr with the Hyperball2 CYRIC CYRIC/Tohoku University J.Timar ATOMKI (Hungary) K. Starosta (MSU)

Radioactive beam spectroscopy of 212 Po and 213 At with the EXOGAM array Nick Thompson University of Surrey.

Title page J Van de Walle 1, I. Stefanescu 1, P Mayet 1, O Ivanov 1, F Aksouh 1, D Smirnov 1, JC Thomas 1, R Raabe 1, M Huyse 1, P Van Duppen 1 1 IKS KULeuven.

Trends in Heavy Ion Physics Research, Dubna, May Present and future physics possibilities at ISOLDE Karsten Riisager PH Department, CERN

Variational approach to isospin symmetry breaking in medium mass nuclei A. PETROVICI Institute for Physics and Nuclear Engineering, Bucharest, Romania.

Andreas Görgen INTC Shape Transitions and Coexistence in Neutron-Deficient Rare Earth Isotopes A. Görgen 1, F.L. Bello Garrote 1, P.A. Butler.

February 12-15,2003 PROCON 2003, Legnaro-Padova, Italy Jean Charles THOMAS University of Leuven / IKS, Belgium University of Bordeaux I / CENBG, France.

Dipa Bandyopadhyay University of York

UNIVERSITY OF JYVÄSKYLÄ Mapping the boundaries of the seniority regime and collective motion: Coulomb excitation studies of 208 Po and 210,212 Rn Addendum.

I. I.4. T HE R EGION A=100, N=60 N E U T R O N S PHERICAL - LIKE W ELL D EFORMED Neutron Rich side What are the origins of the development of deformation?

 -delayed fission of neutron-deficient Fr and At isotopes Lars Ghys 1,2 1 Instituut voor Kern- en Stralingsfysica, KU Leuven, Celestijnenlaan 200D, B-3001.

A HIE-ISOLDE spectrometer for nuclear reaction studies G. Tveten 1, J. Cederkall 2, S. Siem 1, A. Goergen 1, M. Guttormsen 1, P. Hoff 1, D. Di Julio 2,

Shape coexistence in the neutron- deficient Pb region: Coulomb excitation at REX-ISOLDE Liam Gaffney 1,2 Nele Kesteloot 2,3 1 University of the West of.

Technical solutions for N=Z Physics David Jenkins.

E.Clément Novembre 2011 E.Clément-GANIL Onset of collectivity in neutron-rich Sr and Kr isotopes: Prompt spectroscopy after Coulomb excitation at REX-ISOLDE,

Spectroscopy studies around 78 Ni and beyond N=50 via transfer and Coulomb excitation reactions J. J. Valiente Dobón (INFN-LNL, Padova,Italy) A. Gadea.

Shape coexistence in the neutron-deficient, even-even Hg isotopes Katarzyna Wrzosek – Lipska, Nick Bree (KU Leuven)  Motivation  Experimental.

Detection of X rays in the Neutron-Deficient Polonium Coulomb Excitation Experiments Nele Kesteloot IKS KU Leuven SCK CEN.

Daniel Bloor & The AGATA Collaboration IoP NPPD Conference, University of Glasgow, 05/04/11. Development of a simulation package for fragmentation reactions.

Coulomb excitation of the two proton-hole nucleus 206 Hg CERN-ISOLDE, Geneva, Switzerland (M. Kowalska, E. Rapisarda, T. Stora, F.J.C. Wenander) GSI, Darmstadt,

Georgi Georgiev CSNSM, Orsay, France Nuclear structure studies at the r-process path Coulomb excitation of odd-A neutron-rich Rb isotopes at REX-ISOLDE.

Chiral Symmetry Symposium Beijing 2013 Uniwersytet Warszawski Phase transition into spontaneous chiral symmetry breaking Ernest Grodner The Seventh Symposium.

HIE-ISOLDE experiments workshop

Workshop Spiral II - Caen 4-6th October 2005

Georgi Georgiev CSNSM, Orsay, France

CERN-ISOLDE (J. Cederkäll, P. Delahaye, D. Voulot, L. Fraile, F

Shape coexistence measurements in even-even neutron-deficient Polonium isotopes by Coulomb excitation, using REX-ISOLDE and the Ge MINIBALL array Proposal.

Nuclear physics in Poland and plans related to ISOLDE

Coulex Analysis Code – GOSIA: Current Status of Development

Coulomb Excitation of Neutron-rich

Emmanuel Clément IN2P3/GANIL – Caen France

Maria Kmiecik, Giovanna Benzoni, Daisuke Suzuki

Irina Stefanescu1, O. Ivanov1, J. Van de Walle1, N. Patronis1, D

Presentation transcript:

EWON Workshop, Prague, May 2007 GOSIA as a tool for COULEX on exotic beams Katarzyna Wrzosek Heavy Ion Laboratory Warsaw University

EWON Workshop, Prague, May 2007 LOW - ENERGY COULOMB EXCITATION:  Well-established method to study collective excitations in nuclei.  Purely electromagnetic  the only nuclear properties involved are the matrix elements of the electromagnetic multipole moments.

EWON Workshop, Prague, May Pb

EWON Workshop, Prague, May 2007 COULEX Analysis Scheme Measured  yields available spectroscopic data ( , BR,  ) available spectroscopic data ( , BR,  ) Level scheme Experimental setup geometry: particle and  detectors set of matrix elements shape parameters for individual states SIGMA GOSIA MINIMALIZATION PROCEDURE Errors estimation Quadrupole rotational invariant sum rules

EWON Workshop, Prague, May 2007 GOSIA  GOSIA is a Rochester – Warsaw semiclassical coupled- channel Coulomb excitation least-squares search code.  Developed in early eighties by T. Czosnyka, D. Cline, C.Y.Wu and continuously upgraded to fulfill requirements of new experiments.  Used extensively for Coulomb excitation studies of a wide range of nuclei.  Typical use of GOSIA: 1. Fitting of the matrix elements to the experimental data. 2. Simulation of the experiments: to predict which  - ray will be observed to check to what extent the observation will depend on individual matrix elements.

EWON Workshop, Prague, May 2007 AN EXAMPLE: COULOMB EXCITATION OF 74,76 GANIL  Coulomb excitation is the only method that can directly distinguish between different shapes of the nucleus  ideally suited to verify the shape coexistence scenario in the Kr isotopes.  Shape parameters of the two lowest 0 + states in 74 Kr and 76 Kr nuclei were inferred from coulomb excitation data.  The Coulomb excitation analysis were performed using the last squares fitting code GOSIA.

EWON Workshop, Prague, May 2007 EXPERIMENTS GANIL) 74 Kr Pb (5·10 5 pps, 4.7·A MeV) 74 Kr 76 Kr 76 Kr Pb (10 6 pps, 4.4·A MeV) E. Clement et al., submitted to Phys Rev C 508 keV 770 keV

EWON Workshop, Prague, May ° °61.4° °71.0° °107.0° ° 76 Kr

EWON Workshop, Prague, May 2007 RESULTS

QUADRUPOLE ROTATIONAL INVARIANT SUM RULES model independent description of the nuclear shape is based on a fact, that scalar products of E2 operators are rotational invariants. Operator products may be expressed using the intermediate state expansion formula: is based on a fact, that scalar products of E2 operators are rotational invariants. Operator products may be expressed using the intermediate state expansion formula:

EWON Workshop, Prague, May 2007 QUADRUPOLE ROTATIONAL INVARIANT SUM RULES model independent description of the nuclear shape To get information on triaxiality the higher order invariant is needed: To get information on triaxiality the higher order invariant is needed:

EWON Workshop, Prague, May 2007RESULTS  The deformation of the is very similar in 74 Kr and 76 Kr. Triaxiality parameter:  the ground state of 76 Kr is prolate, while the state has an triaxial shape.  Both, the ground state and the state of 74 Kr are triaxial, but with different  parameter.

EWON Workshop, Prague, May 2007 Collaboration of 74,76 Kr Project CEA Saclay, France E.ClémentA.GörgenW.KortenE.BouchezA.ChatillonA.Hürstel Y.Le Coz A.ObertelliCh.TheisenJ.N.Wilson CEA/DIF, France J.-P. Delaroche M.GirodH.GoutteS.Péru GANIL, Caen, France J.M.Casandjian G. de France HIL Warsaw, Poland T.Czosnyka J.Iwanicki (OLL, Liverpool) P.J.Napiorkowski M.Zielińska (CEA Saclay) Oliver Lodge Lab., Liverpool, UK C.Andreoiu P.A.Butler R.-D.Herzberg D.G.Jenkins G.D.Jones Univ. Of Surrey, Guildford, UK W.N.Catford C.Timis GSI, Darmstadt, Germany F.Becker J.Gerl NBI, Copenhagen, Denmark G.Sleten

EWON Workshop, Prague, May 2007 List of the experiments where GOSIA was recently used ISOLDE (MINIBALL), CERN:  J. Cederkall – 108 Sn, 110 Sn  J. Iwanicki - 88 Kr, 92 Kr  A. Hurst - 70 Se  I. Stefanescu – 68 Cu, 70 Cu  J. Van de Walle – 74 Zn GANIL (EXOGAM), FRANCE:  E. Bouchez – 76 Kr  E. Clement – 74 Kr  M. Zielińska – 44 Ar JYVASKYLA, FINLAND  F. Becker – 78 Kr JAEA, TOKAI, JAPAN:  M. Koizumi - 66 Zn, 68 Zn  T. Hayakawa – 78 Se  A. Osa - 84 Kr  Y. Toh – 70 Ge  M. Zielińska – 96 Mo ANL (Gammasphere), USA  A.Hayes – 178 Hf Next experiments ISOLDE (MINIBALL), CERN:  E. Clement – 96 Sr (Jul 2007)  P.Butler, P. Van Duppen - 182,184 Hg (Aug 2007) JRA6 INTAG

EWON Workshop, Prague, May 2007 Warsaw Coulomb Excitation Heavy Ion Laboratory, Warsaw Univ.  Tomasz Czosnyka  Julian Srebrny  Jędrzej Iwanicki  Paweł Napiorkowski  Magdalena Zielińska (CEA Saclay)  Katarzyna Wrzosek  Katarzyna Hadyńska (UAM, Poznań)  Daniel Piętak (PW, Warsaw)

EWON Workshop, Prague, May 2007 Thank you Thank you