2° Workshop LEA COLLIGALEA COLLIGA(Laboratori(Laboratori EuropeiEuropei AssociatiAssociati CollaborazioneCollaborazione INFNINFN--GanilGanil))

October 13-15, LNS (Catania)

In ricordo di un’amica e collega Ileana Iori, scomparsa improvvisamentea Bormio la scorsa settimana durante la Conferenza che organizzava da anni:Ileana è stata una delle prime rappresentanti della collaborazione italo-francese…molti molti anni fa ed ancora ai primordi di GANIL con MULTICS negli anni ‘90

Bormio e …le sue montagne…dove ha voluto rimanere!

Present and Future RIB Facilities:

SPIRAL; EXCYT, FRIBS,

SPIRAL2, SPES

• 13 October• 09:15–09:30• - LNS Director: M. Lattuada• LEA scientific coordinators : F. Azaiez (IPN-Orsay) , F. Gramegna (LNL)• Chairman: A. Covello• 09:30-09:55 – J. Valiente – (LNL) Spectroscopic studies of moderately neutron-rich

nuclei with the CLARA-PRISMA setup• 09:55-10:20 – D. Curien (IPHC-Strasbourg) - Search for Fingerprints of Tetrahedral

Symmetry in the Rare Earth and Actinides regions• 10:20-10:45 – D. Verney (IPN- Orsay) - The N=50 shell effect in neutron rich nuclei:

where are we standing ?• 10:45-11:05 – coffee break (20 mn)• Chairman: B. Wadsworth• 11:05-11:30 – S. Leoni – (INFN Mi) Collective modes of excitations• 11:30-11:55 – G. Georgiev (CSNSM-Orsay) - Nuclear moments of excited states.

Recent results, developments and perspectives• 11:55-12:25 – L. Gaudefroy – (CEA-Bruyers-le chatel) - N=28 shell effect in neutron

rich nuclei : where are we standing?• 12:25-14:00 –Lunch • Chairman: D. Bazzacco• 14:00-14:25 – X. Ledoux (CEA-Bruyeres Le Chattel) - NFS, a Neutron Facility at

SPIRAL-2• 14:25-14:50 – F. Mastinu – (LNL) – The LENOS neutron facility within the SPES

project at LNL• 14:50-15:15 – C. Spitaleri – (LNS) Nuclear Astrophysics at LNS• 15:15-15:40 – F. Hammache (IPN-Orsay) - Indirect Reactions for Astrophysics at

Tandem-Orsay• 15:40-16:00 – coffee break (20 mn)• Chairman: J. Pouthas• 16:00-16:25 – D. Jacquet (IPN-Orsay)- Fission time measurements as an alternative

testament to superheavy element stability• 16:25-16:50 – B. Blank (CENBG-Bordeaux) - The DESIR collaboration• 16:50-17:15 – E. Farnea – (INFN Pd) -The AGATA demonstrator at LNL• 17:15-17:40 – G. Defrance (GANIL-Caen) -The AGATA demonstrator at GANIL• 17:40-18:05 – G. Poggi – (INFN Fi) Recent results of the FAZIA Collaboration• 17:05-18:30 – H. Savajols (GANIL-Caen) - The S3 spectrometer• 14 October• Chairman: A. Maj• 09:00-09:25 – F. Camera – (INFN Mi) Recent developments in LaBr3 detectors for

high energy gamma-rays• 09:25-09:50 – S. Franchoo – (IPN-Orsay) – The ‘PARIS’ project• 09:50-10:15 – M. D’Agostino –(INFN Bo) - Isotopic effects on the level density and

symmetry energy : an experimental perspective"• 10:15-10:40 – L. Calabretta – (LNS) Interdisciplinary Research at LNS• 10:40-11:00 – coffee break (20 mn)• Chairman: M. Bruno• 11:00-11:25 – P.Colautti - (LNL) The LNL BNCT based on Accelerator-driven high

intensity neutron sources• 11:25-11:50 – E. Balanzat (CIMAP-Caen) - Some new results obtained at GANIL in

the interdisciplinary field• 11:50-12:15 – M. Chabot (IPN-Orsay)– Interdisplinary Research at Tandem-Alto

facility• 12:15-12:40 – A. Quaranta (LNL-Univ. TRENTO)- Organic Scintillators for neutrons

• 12:40-14:00 –Lunch • Chairman: N. van Giai• 14:00-14:25 – M. Colonna - Extracting the symmetry energy from low and medium

energy heavy ion reactions• 14:25-14:50 – G. Colò – (INFN Mi) - Improving the present nuclear energy

functionals.• 14:50-15:15 – M. Grasso (IPN-Orsay) - Bubble structures in exotic nuclei• 15:15-15:40 – A. Bonasera – (LNS) - Quantum Nature of a Nuclear Phase transition..• 15:40-16:05 – Th. Duguet (CEA-Saclay)- On the microscopic origin of superfluidity in

finite nuclei • 16:05-16:25 – coffee break (20 mn)• Chairman: M. Di Toro• 16:25-16:50 – D. Lacroix (GANIL-Caen)- Recent advances and trends in quantum

transports models• 16:50-17:15 – J. Dudek (IPHC-Strasbourg) - Tetrahedral Symmetry in Nuclei: Theory

and Experimental Criteria• 17:15-17:40 – N. Pollarolo – (INFN To) Some aspects of grazing reactions• 17:40-18:00 – G. Raciti – (INFN Ct) - 18Ne diproton decay• 18:00-18:25 – A. Pagano/E. De Filippo – (INFN Ct) Selected aspect of Dynamical

signals in fragmentation reactions as seen by CHIMERA• 15 October• Chairman: N. Alahari• 09:30-09:55 – M. Rejmund (GANIL-Caen) - Recent Highlights and Future Plans at

VAMOS• 09:55-10:20 – L. Corradi – (LNL) Heavy ion transfer reactions studied with

Prisma+Clara• 10:20-10:45 – F. Cappuzzello – (LNS) Results from Magnex Spectrometer• 10:45-11:00 - B. Mouginot (IPN-Orsay) - Search of the Giant Pairing Vibration mode in

nuclei• 11:00-11:15 – E. Bonnet (GANIL-Caen) - Influence of neutron-enrichment on

disintegration modes of compound nuclei• 11:15-11:35 – coffee break (20 mn)• Chairman: G. La Rana• 11:35-12:00 – G. Prete – (LNL) Status of the SPES project• 12:00-12:25 – F. Ibrahim (IPN-Orsay) - Status of the ALTO project• 12:25-12:50 – G. Cuttone – (LNL) EXCYT: Status and perspectives• 12:50-13:15 - M. Lewitowicz (GANIL- Caen) - Status of the SPIRAL2 project• 13:15-14:45 –Lunch •• 15:00-17:00 – Parallel working groups and collaboration meetings • 17:00-18:30 – Reports from the working groups and collaboration meetings

Programme LEA COLLIGA – Catania 13-15 october 2008

Parallel working groups and collaboration meetings

Theory (conveners: N. Van Giai/A. Covello) ––Nuclear dynamics (conveners: R. Bougault/M. D'Agostino) Instrumentation (conveners: J. Pouthas/E. Farnea) Nuclear Astrophysics (conveners: O. Sorlin/C. Spitaleri) Nuclear Reactions/structure (conveners: N. Alahari/L. Corradi) Nuclear structure (conveners: S. Lunardi/B. Blank) Multidisciplinaries (conveners : G. Cuttone /E. Balanzat) –Facilities (conveners: M. Lewitowicz/G. Prete) )

Collaborations : : Present /FuturePresent /Future

Existing Foreseen

-Tetranuc exotic Symmetry(Theory and Exp.)-ManyStrasbourg/Legnaro, Padova, IPNL, IPNO, GANIL…

-Exotic nuclei around 132Sn(Theory and Exp.)-8 pers.Napoli/Grenobles

-Fluctuations/ transporttheory

(Theory) .)-4 pers.GANIL/LNS

-Extended RPA (Theory) .)-4 pers.Orsay/Catania

-Quantum transport theory (Theory)- 6 pers.LNS/GANIL/Tennesse

-Shell Evolution beyond Mean-Field(Theory/Exp) )- 5 pers.Orsay/GANIL/Milano

-Superfluidity in nuclei from first principles (Theory)- 9 pers.Saclay/Lyon/Milano/Triumph

-Symmetry Energystudies(Exp/Theory)

-Shell model with Realistic effectiveinteractions(near closed shell)(Theory)

-Connection between

Wishes-RPA codes:(Theory) – 2 pers.Orsay/Milano

-Supernovae Collapse : (Theory) ) – 6 pers.

Orsay/Milano

coupled channel andTime dept. Mean-field methods(Theory)

-Giant PairingVibration

(Theory/Exp) )- 8 pers.Orsay/Torino

THEORY WG:

LEA October 2008Dynamics discussion group

Scientific Program is defined:Nuclear EOS, Phase Transition, Symmetry and Pairing Energy, Dissipative Collisions and reaction time measurements (emission chronology)

Experiments: consolidatedcollaborations.National groups ==> European clusters mostly around large detectors• CHIMERA, INDRA, GARFIELD, FAZIA R&D and VAMOS+(…)Theory: transport models and statistical models.

LEA October 2008Experimental plans

NEAR FUTURE (involving French-Italian Physicists):

Experiments in 2009• Experiments LNL – GDR- JACOBI (Italy-Poland-France) (1 running now- 1 proposal to PAC)• LNL Interplay with nuclear structure (GARFIELD+Ancillaries + FAZIA R&D)• GANIL Reaction time measurements (Vamos+x-rays+LCP) – 2 approovedexperiments• LNS (CHIMERA-PS and FAZIA R&D) and GANIL (FAZIA R&D) Pulse Shape Discrimination (2009): priority is (Z,A) low threshold identification

Experiments > 2009•Several proposals for experiments to be performed with : FAZIAphase2 +

INDRA(GANIL)/CHIMERA(LNS)/GARFIELD(LNL)/MEDEA(LNS) …• LoI SPIRAL2, SPES (LNL) , SPIRAL(GANIL), SISSI2 (GANIL) – FRIB’s (LNS)

LEA October 2008Problems and future goals

Raised problems (for everybody!)• Problem of transnational Access (ENSAR) for 2009• Huge problem in Italy for young physicists

COULD LEA do something ???

Goals• Mandatory exotic and stable beams in the Fermi energy domain• R&D Pulse Shape Discrimination• EURISOL (accelerator and related detectors) • Periodic LEA workshop dedicated to (thermo)-dynamics.

INSTRUMENTATION – γ- spectroscopy

General schedule

•AGATA DEMONSTRATOR at GANIL: –End of experimental campaign in LNL: late2010??–Preliminary design study: documentfinalized in June 2007–Detailed design study: early 2009 –Design and manufacturing: 2009/2010–Setting-up: late 2010/early 2011 ?…

Attention to the Coordination withSPIRAL2 Phase1

Other common developements in istrumentation (besides FAZIA and AGATA:Neutron detectors study and development: scintillation materials/read outElectronics/PSDPARIS – LaBr3 scintillator detectors studies

Nuclear astrophysics using indirect reactions@ Tandem-Orsay (end 2005-2008)

Collaboration Aim of the experiments Indirect Method

IPN-CSNSM-ULB-GANIL-GSI

13C(α,n)16ONeutron source in AGB

stars (1-3 M )

13C(7Li,t)17O α-transferreaction

PRC77 (2008) 042801

IPN-LT(BEJAIA)-CSNSM-ULB-GANIL-

GSI

12C(α,γ)16OHe-burning in massive

stars

12C(7Li,t)16O α-transferreaction

Analysis in progress

IPN-CSNSM-LNS-GANIL-SUBATECH

25Al(p,γ)26Si26Al synthesis in Novae

24Mg(3He,n)26Si*Analysis in progress

Spectroscopy of 26Si* via 24Mg(3He,n)26Si* reaction

26Al nucleosynthesis in NovaeIPNO-CSNSM-LNS-GANIL-SUBATECH

24Mg 25Mg 26Mg

26Al25Al

26Si

g.sm

1.809 MeV

Two sequences to produce 26Al (T1/2=7.2 105 yr):

25Al(p,γ)26Si competes with 25Al(β+) 25Mg (τ1/2 = 7.183 s )

25Al(p,γ)26Si reaction rate has large uncertainties

26Al yield abundance is unknown

COMPTEL Map of Galaxy @ 1.809 MeV γ-ray

Stellar sources of 26Al:

Massive stars (SNII, Wolf Rayet)AGB stars

Novae

•Important to continue the International Collaboration on specific items (Indirect methods)

•Not necessary large apparatus for these experiments.

•Interested in radioactive beams at ALTO, SPIRAL, EXCYT,SPES, SPIRAL2

Nuclear Reactions/structure

Common interest among the Italian and French Comunities :

Proposals or LOI for ALPI-PIAVE, SPIRAL, EXCYT, SPIRAL2, SPES

• using the High Resolution Mass Spectrometers availablelike:

PRISMA at LNL VAMOS at GANIL

• quasi-elastic reactions MAGNEX at LNS

• deep inelastic reactions

• multi-nucleon transfer reactions

with and without gamma rays large arrays (EUROGAM; AGATA Demonstrator, etc.)

θLab = 7°÷ 19.5°

Ω = 50 msr

Energy byte = ± 27%

Cou

nts

E/ΔE ∼ 1000

gs96 keV19O

PRELIMINARY (~10% statistics)

19F(7Li,7Be)19O at Einc = 52,4 MeV

19.8 keV/chCEX reactionMAGNEX

Evaporation processes in multinucleon transfer reactionsEvaporationEvaporation processesprocesses in in multinucleonmultinucleon transfer transfer reactionsreactions

Evaporation processes directlyidentified with PRISMA+CLARAAn example: 40Ca+96Zr at 152 MeV

EvaporationEvaporation processesprocesses directlydirectlyidentifiedidentified withwith PRISMA+CLARAPRISMA+CLARAAnAn exampleexample: : 4040Ca+Ca+9696Zr at 152 Zr at 152 MeVMeV

40Ca+96ZrE=152 MeV

4040Ca+Ca+9696ZrZrE=152 E=152 MeVMeV

Doppler corrected using V from VAMOS

238U (5.5 MeV/u) + 48Ca

French-Italian collaboration in Nuclear Structure(with γ-ray spectroscopy methods)

RESEARCH THEMES:

- Gamma-ray spectroscopy: Agata demonstrator, Exogam etc...→ Large number of (LoI at Spiral2, LoI with Agata demonstrator,

experiments approved at GANIL, Legnaro, Orsay)- Nuclear moments in Catania: explore the possibilities with the

available cyclotron beams−β-decay studies: basically no community in Italy but for surecommon interest to combine β-decay and deep-inelastic reactions forstudy of n-rich nuclei

(e.g. N=50)- 2p decay: explore common interests between Catania and

Bordeaux- Fast timing: explore the possibility of common development with

LaBr3 detectors, possibilities of common set-ups PARIS

Legnaro

Strasbourg

EUROBALL Collaboration

• demonstration of active collaboration• large developement of instrumentation• large developement of detectors• large number of publication

AGATA Demonstrator activity

Prisma – Clara activity Vamos – Exogam activity

AGATA

- Prisma-Clara1) Nuclear spectroscopy of neutron−rich nuclei in the mass region A ~ 80

Exploring the changing of shell structure of nuclei at N=50G. Duchêne (Strasbourg), G. de Angelis (Legnaro) - published results

2) Neutron rich nuclei on the sd shellR. Chapman (Paisley), F. Azaiez (IPN Orsay)Spectroscopy of neutron-rich 37P - published results

present collaborations Experiments at Legnaro:

- GASP1) Shape Coexistence in Light Se Isotopes: Evidence for Oblate ShapesSaclay, Legnaro, Padova, Koln – published results

2) Investigation of tetrahedral symmetry in nucleiApproved experiment at GASP, Legnaro, Strasbourg,….

3) Study of neutron-rich nuclei around N=50 toward 78Ni: a γ−γthick target experiment with the 82Se+238U reaction

Approved experiment at GASP, Legnaro, Padova, Strasbourg

4) Set-up for g-factor experimentsNuclear moments of isomeric states in deep-inelastic reactionsGeorgiev Georgi CSNSM (Orsay) PAC July 2008

Experiments at GANIL:1) Experiments at SPIRAL with radioactive beams

G. Benzoni, F. Azaiez, …..In-beam γ spectroscopy using DIC with a radioactive Ne beam – published results.

2) Neutron-rich nuclei around mass 60-70: Deep-inelastic Vamos-ExogamW. Korten, A. Gadea, J. Valiente,

3) Spectroscopy of N=Z nuclei: Exogam + Diamant: experiments of A. Gadea, S. Lenzi, G. de Angelis, B. Cederwall

Low-spin collective behavior in the transitional nuclei 86, 88Mo - published results

present collaborationsperformed

4) Weakening of the Z=28 gap by the tensor force in neutron-rich copperisotopes. 5) Fragmentation of a 76Ge beam at GANIL to reach the π (f7/2)-1 states by meansof AZn(d,3He) A-1Cu proton pickup in inverse kinematicsS. Franchoo (Orsay), J.J. Valiente-Dobon (LNL-INFN) 6) 75-77Cu: probing the Z=28 shell gap around doubly magic 78Ni. Deep inelastic reaction using inverse kinematics VAMOS-EXOGAM E. Sahin (LNL-INFN), G. De France (GANIL)

approved

Experiments at Orsay:Magnetic properties of 67As, G. de Angelis et al.,Legnaro, Padova, CSNSM Orsay, experiment performed September 2008Orgam proposal: Tetranuc collaboration

The future Letters of Intent for the experimental campaign with the AGATA demonstrator at LNL (2009-2010)

1) Investigation of critical point symmetries in neutron rich nucleiSofia (Bulgaria), Legnaro (Italy), Koln (Germany), CSNSM Orsay (France),Padova (Italy), Firenze (Italy), Plovdiv (Bulgaria), Grenoble (France),Jyvaskyla (Finland)

2) Collectivity and shape of the neutron rich Si, P and S isotopes: plunger lifetime measurements using the 36S+208Pb reaction at 6 MeV/nucleonIPN Orsay (France), CSNSM Orsay (France), Cologne (Germany), Legnaro (Italy)

3) Deformation evolution in neutron-rich A~60-70 nucleiPadova, Legnaro, Koln, Bucarest, Saclay, Manchester, Milano

4) Lifetime measurements in the neutron rich Cu isotopes: probing the N=50 shell gap around doubly magic 78NiLegnaro, Padova, GANIL, IPN Orsay, Istanbul, Strasbourg, CSNSM Orsay, Milano5) Coulomb Excitation of the Presumably Super-Deformed Band in 42CaKracow, Warsaw, IPN Orsay, CEA Saclay, Legnaro, Milano, Padova, GSI, Debrecen, Strasbourg, IPN Lyon, Sofia, CSNSM Orsay6) Lifetime measurements and quadruple moments in neutron-rich Zn isotopesCEA Saclay, Koln, Legnaro, GANIL, Padova, Isolde7) 75Cu as a probe for the p3/2-f5/2 inversion and the Z=28 shell quenchingStrasbourg, Legnaro, Padova, IPN Orsay, GANIL, Kolkata, Napoli, Milano, Torino, Paisley, Madrid, Istanbul

The future Letters of Intent at SPIRAL2

Letter 7 -- High-resolution Gamma-ray Spectroscopy at SPIRAL2General Coordination: J. Gerl, W. Korten, R. Wadsworth

Corresponding convener for each specific physics case:• D. Rudolph, Lund University, Sweden (Proton drip-line studies and N=Z nuclei)• A. Gadea, Laboratori Nazionali di Legnaro (Neutron-rich nuclei)• A. Görgen, CEA Saclay (Nuclear shapes and high-spin spectroscopy)• S. Leoni, INFN Milano (Collective modes in the continuum)• G. Georgiev, CSNSM Orsay (Nuclear electromagnetic moments)• P. Greenlees, University of Jyväskylä (Spectroscopy of the heaviest elements)GANIL contact person:G. de France (EXOGAM & AGATA)

Legnaro, Milano, Napoli,Padova, Torino

Letter 7a) Proton drip-line studies and N=Z nucleiSpokesperson(s): M.A. Bentley, University of York, York, D. Rudolph, Lund University, Lund

G. de Angelis, INFN LNL, Legnaro ( Legnaro, Padova)b) High resolution spectroscopy of neutron-rich nuclei with AGATA coupled to a

large-acceptance Magnetic Spectrometer using SPIRAL2 and LINAG beams at the Coulomb barrier energySpokesperson(s) A.Gadea, INFN-Laboratori Nazionali di LegnaroG.Duchêne, IPHC, Strasbourg, France U. Datta Pramanik, Saha Instituteof Nuclear Physics, Kolkata, India

(Legnaro, Milano, Napoli, Padova, Torino)

The future

c) Nuclear shapes and high-spin spectroscopySpokespersons:A. Görgen, DAPNIA/SPhN, CEA Saclay, France, N. Redon, IPN Lyon, FranceJ. Simpson, Daresbury LaboratoryLegnaro, Milano, Padova

d) Collective Modes in the ContinuumSpokespersons / contact persons:S. Leoni, University of Milano and INFN, MilanoE. Khan, Institut de Physique Nucléaire, OrsayD. Pierroutsakou, INFN sez. Napoli, Napoli

~ 40 italian physicists involved

Multidisciplinary Physics

TASKS:•Hadrontherapy•Space Applications•Atomic and Material Physic•Neutron Source

Strategy: •Development of common scientific platforms or the application of nuclear physics in other fields.

•Coordinated actions in Europe (FP7..)•Coordinated actions vs Industry

Goal:•Scientific Leadership in Europe

Hadrontherapy: •Fragmentation measurements (LNS, Ganil, Saclay, Orsay). Possible application at GSI

•Radiobiology (LNL, LNS, Ganil, Cyril)•Monte Carlo Developments (LNS, LNL, Mi, LPC..)

Space Application: •Ganil and LNS Qualification as ESA Labs

•Coordination of beam time offer (LNS, Ganil, Orsay, LNL)•Coordinated policy with respect to ESA

Atomic and Material Physics:

• Development of Atomic Physic Programs (Ganil, Orsay, LNL, LNS)• Development of Material Science Programs (LNL, LNS, Ganil,

Orsay)

• Material Science for new detectors development (LNL, Ganil)Neutron Sources

• Targets• Detectors• Monte Carlo Simulations• Scientific Programs for Nuclear Physics• Applications (BNCT, Nuclear Energy, ..) LNL, Ganil, LNS, ..

Recommendations• Interdisciplinary activities included and clearly mentioned in

COLLIGA.• Part of those activities can be also included in the framework of

INFN-IN2P3 collaboration.

Facilities: SPES and SPIRAL2(Spiral - Excyt – Alto)

Discussion on the common interests and definition of the major points of collaboration in a MOU:

•Targets

•Charge Breeder

•Safety and Radioprotection

•Following the proposal in the MOU it was agreed :To organise a meeting on the technical issues: list of questions and issues to be discussed (for example on the comparison of cost of the two facilities) should be prepared in advance.To organise a specific meeting on safety issues scheduled in the close future during the SPIRAL 2 week in January 2009)To evaluate the possible interest in the Charge breeder for SPES using the same design as for SPIRAL 2. SPIRAL 2 will handle interfaces if additional work (adaptation) should be done for SPES (adaptation for the high voltage at SPES). It is proposed that the work package on the charge breeder done by SPIRAL 2 includes also its commissioning. This will also be discussed in a technical meeting dedicated

SPIRAL2 – PP- WEEK

Gianfranco Prete (Responsabile di SPES) eGianni La Rana (Coordinatore SC SPES)hanno avuto un incontro con i colleghi francesi ed hanno definito i termini di collaborazione sugli importanti punti di comune interesse:• safety and radio-protection• costi relativi dei progetti SPES- SPIRAL2 per parti simili• valutazione scelte reciproche parti critiche (nuclearizzazione impianti)

PROSSIMI INCONTRI SUPPORTATI DAL LEA

• Nuovo workshop LEA- COLLIGA entro il 2009 a PARIGI

• Workshop in onore del Comissioning del Dimostratore diAGATA presso i LNL entro i primi mesi del 2009.