paisley - technology · fusion-evaporation reaction beam: radioactive 76kr of intensity 105pps and...
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Paisley
Liverpool
Brighton
YorkManchester
DaresburyBirmingham
Surrey
GANIL
UK Groups Working at GANIL
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DEMON
TIARA
ECLAN
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DEMON
TIARA
ECLAN
Grant investment ofover £10M in place
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TIARA
BEAM
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TIARA
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Already: 24Ne(d,p)25Ne
Late 2006: 20O(d,p)21O 26Ne(d,p)27Ne
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Liverpool 2004 Experiment130Sm was studied using the 58Ni(76Kr,2p2n )130Smfusion-evaporation reaction
Beam: Radioactive 76Kr of intensity 105pps and at an energy of 4.34 MeV/u delivered by the SPIRAL facility (ISOL method) at GANIL
Target: 58Ni of 1.1 mg/cm2 on a thin carbon foil
EXOGAM + DIAMANT + VAMOS
coupled together for the first time
γ
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Projection from γγ Matrix (np ≥ 1)
4p
3p
α2p
4p
4p
130Nd
131Pm
127Pr
130Sm ?2p2n
3p
RADWARE γγ matrix
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CollaborationMarina Petri1, E.S. Paul1, P.J. Nolan1, A.J. Boston1, R.J. Cooper1, M.R. Dimmock1, S. Gros1, B.M. McGuirk1,
H.C. Scraggs1, G. Turk1, B. Rossé2, M. Meyer2, N. Redon2, Ch. Schmitt2, O. Stézowski2, D. Guinet2,
Ph. Lautesse2, G. De France3, S. Bhattachasyya3, G. Mukherjee3, F. Rejmund3, M. Rejmund3, H. Savajols3,
J.N. Scheurer4, A. Astier4, I. Deloncle5, A. Prévost5, B.M. Nyakó 6, J. Gál6, J. Molnár6, J. Timár6, L. Zolnai6,
K. Juhász7, V.F.E. Pucknell8, R. Wadsworth9, P. Joshi9, G. La Rana10, R. Moro10, M. Trotta10, E. Vardaci10,
G. Hackman11, G. Ball11
1 Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, UK
2 IPN Lyon, IN2P3-CNRS, Université Lyon-1, F-69622 Villeurbanne Cedex, France
3 GANIL, B.P. 55027, F-14076 Caen Cedex 5, France
4 CEN Bordeaux-Gradignan, IN2P3-CNRS, Université de Bordeaux I, Le Haut Vigneau, F-33170
Gradignan Cedex, France
5 CSNSM Orsay, IN2P3-CNRS, Bât. 104, F-91405 Orsay Campus, France
6 Institute of Nuclear Research of the Hungarian Academy of Sciences, H-4001 Debrecen, Hungary
7 Institute of Mathematics and Informatics, University of Debrecen, H-4001 Debrecen, Hungary
8 CCLRC Daresbury Laboratory, Daresbury, Warrington, WA4 4AD, UK
9 Department of Physics, University of York, Heslington, York, YO10 5DD, UK
10 INFN and Dipartimento di Scienze Fisiche, Mostra d' Oltremare, Pad 20, 80125 Napoli, Italy
11 TRIUMF, 4004 Wesbrook Mall, Vancouver, BC, V6T 2A3, Canada
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E. Sauvan, N.A. Orr, F. Carstoiu et al., Physics Letters B491 (2000) 1 andPhys Rev C70 (2004) 014305
For very neutron-richnuclei, the neutronsto some extent favour1s 1/2 over 0d 5/2
N = Z
N = 2 Z
“Cocktail” beam of two dozen species
single neutron removal dominates -a single spectrometer setting used -compare to large-basis shell model
0d 5/2 is full,neutronsenter 1s 1/2
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N = Z
N = 2 Z
Single neutron removalPLUS
Coincident gamma-rays
Neutron-rich oxygen region
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Z Podolyak, LoI May 2006
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Anode plane 1024 pads
32 amplificationwiresTime
Projection Chamber
The active target MAYAMAYAActive Target =
target + detector
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TOF
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Breakup of 14Be beam
Coincidence with 10BeData with 8He beam
currently under analysis
Around 16 events at large Ep / Enand
ONLY in coincidence with 4He
Beams of 14,15BNov 2005 and Mar 2006
States in 13Be, 12Li, 9He, 7Hand
Cluster breakup of B and Be
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Breakup of Super-Borromean 10C
M Freer
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10C beam30 MeV/A
8Be 9B
2 α and 2 p in strips
New CsI detectorwith higher pixellation(Nobby Clarke)
M Freer
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8He+4He resonant scattering
Accepted in Nov 2005M Freer
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EXOGAM
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Coulomb Excitation at Safe EnergiesTIARA interest as written in grant proposal…involvement by supplying some detectors and most electronics
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Neutron Wall at EXOGAM at GANIL
nWall DAQ uses VXI ADCsfrom
TIARA
Scott Williams (18Ne experiment)important in gettingnWall working
De Angelis N =Zexperiment set torun in one week(stable beam run)
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• Liverpool: Chartier knockout• York: Jenkins fragmentation• Surrey: secondary fragmentation 36Ca, 42Si…• TIARA: (d,p)
Surrey, Paisley, Daresbury,Birmingham, Liverpool
• Surrey, York: neutron wall• Fusion-evaporation studies
Brighton, York, Surrey, Liverpool• Surrey: sub-barrier coulex• Liverpool: Nobelium collaboration• CHARISSA: neutron unbound
molecular breakupBirmingham, Surrey
• MAYA: reactions and resonancesDaresbury, Liverpool
• Liverpool: Masses – CIME, SPEG
• Plans for deep inelasticManchester, Paisley, Surrey
• Possible 56Ni, 18F beam facility
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DEMON
TIARA
ECLAN
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Paisley
Liverpool
Brighton
YorkManchester
DaresburyBirmingham
Surrey
GANIL
UK Groups Working at GANIL
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Spiral 2REACTIONS WORKSHOP 19-21 October 2005
WORKSHOP PROGRAMME
PHYSICS MOTIVATIONS
OTHER RNB LABS AND R&D
DISCUSSION GROUPS
Changing shell structure, Reaction mechanisms,N=Z nuclei, Near-Barrier, Clusters, Superheavies:R. Wyss, J. Schiffer, G. Rogachev, F. Rejmund, N. Le Neindre, T. Neff, A. Navin, R. Lemmon, P. Greenlees, L. Corradi, D. Chakrabarty, D. Ackermann
Experience (including physics, beams, R&D) from several different examples of facility:D. Radford (Experience at Oak Ridge)T. Nilsson (Experience at REX-ISOLDE)P. Egelhof (Synergies with GSI and FAIR)
Aiming to identify equipment and R&D needs and set up working groups in appropriate areas:G. Poggi & R. Bougault (Reactions Array)F. Capuzella, A. Drouart & A. Villari(Spectrometer for intense stable beams)D. Ackermann & A. Gillibert (Target technology)D. Beaumel, R. Lemmon & N. Orr (Reaction array forspectroscopy: charged particles, neutrons)D. Cortina-Gil & P. Roussel-Chomaz (Active target)CO-CHAIRS: Y. BLUMENFELD & W. CATFORDDetails at : http://spiral2ws.ganil.fr/2005/
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UK Investment: £1M to exploit £10M for 10 years and more…
• Partnership in SPIRAL2 project is offered• Maintenance of UK investment guaranteed by French• Membership of principal management boards
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UK Investment: £1M to exploit £10M for 10 years and more…
• Partnership in SPIRAL2 project is offered• Maintenance of UK investment guaranteed by French• Membership of principal management boards
Liverpool 2004 ExperimentProjection from γγ Matrix (np ≥ 1)Collaboration