L.M. Fraile, CERN PH/IS

ISCC 24 May 2004L.M. Fraile

L.M. Fraile, CERN PH/IS

ISOLDE scientific coordinator’s reportISOLDE scientific coordinator’s reportISOLDE Collaboration Committee 24th May 2004

Summary of startup and schedule for 2004


Summary of running period STARTUP delayed 1 week

→ Operation reduced to 26 weeks→ Decision whether it will be extended by end of July→ Two runs were cancelled, one experiment shortened

Performed experiments:→ IS419: Measurement of Gas and Volatile Elements Production Cross

Section in a Molten Lead-Bismuth Target (part)→ IS413: High precision mass measurements of exotic nuclei with

ISOLTRAP → IS401: Semiconductor Spectroscopy with Short Lived Isotopes→ P183: Nuclear moments and charge radii of magnesium isotopes from

N=8 up to (and beyond) N=20→ IS389: Measurement of Moments and Radii of Light Nuclei by

Collinear Fast-Beam Laser Spectroscopy and ß-NMR Spectroscopy REX molecular beam tests: SeCO, AlF (Se, F beams)


GPS 2004 (2nd half)

IS397 Charge Breeding of Radioactive Ions in an Electron Cyclotron Resonance Ion Source (ECRIS) at ISOLDE

IS415 Magnetic Moments of Coulomb Excited 2+1 States for Radioactive Beams of 132,

134, 136Te, 136Xe Isotopes at REX-ISOLDE (test)

IS400 Investigation of astrophysically relevant neutron-rich argon nuclei

IS412 Coulomb excitation of neutron-rich nuclei between the N=40 and N=50 shell gaps using REX-ISOLDE and the Ge MINIBALL array

P179 Radioactive Probes on Ferromagnetic Surfaces

IS411 Coulomb Excitation of neutron-rich A~140 Nuclei

IS422 204mPb: A New Probe for TDPAC Experiments in Biology Complementing the Well Established Probes 111mCd and 199mHg

IS419 Measurement of Gas and Volatile Elements Production Cross Section in a Molten Lead-Bismuth Target

P111 Search for new physics in beta-neutrino correlations using trapped ions and a retardation spectrometer (WITCH test)

IS383 Laser Spectroscopy Studies in the Neutron-Rich Sn Region (COMPLIS)

IS395 31Si Self-Diffusion in Si-Ge Alloys and Si-(B-)C-N Ceramics and Diffusion Studies for Al and Si Beam Developments

IS410 Coulomb excitation of 32Mg

IS409 Fusion Reactions at the Coulomb Barrier with Neutron-rich Mg Isotopes

IS399 Exploring the dipole polarizability of 11Li at REX-ISOLDE

IS368 Lattice location of transition metals in semiconductors

IS371 Investigations of neutron-rich nuclei at the dripline through their analogue states: The cases of 10Li-10Be (T=2) and 17C-17N (T=5/2)

IS418 Coulomb Excitation of Neutron Deficient Sn-Isotopes using REX-ISOLDE


HRS 2004 (2nd half)

IS423 Coulomb excitation of a neutron-rich 88Kr beam-search for mixed symmetry states

IS414 Advanced Time-Delayed coincidence studies of 31,32Mg from the β-decays of 31,32Na

IS386 Studies of electric dipole moments in the octupole collective regions of heavy Radiums and Bariums

IS405 Obtaining empirical validation of shape-coexistence in the mass 70 region: Coulomb excitation of a radioactive beam of 70Se

IS421 Study of neutron-rich 124,126,128Cd isotopes; excursion from symmetries to shell-model picture

IS424 Inelastic branch of the stellar reaction 14O(,p)17F

P111 Search for new physics in beta-neutrino correlations using trapped ions and a retardation spectrometer

P173 Parity Non-conservation in Nuclei: The Case of 180mHf Revisited


GPS 2004


HRS 2004


REX-ISOLDE

Approved shifts for REX: 227 + 15 = 242→ Non-MINIBALL (367, 371, 399, 416): 47→ MINIBALL (405, 409, 410, 411, 412, 415, 418, 423, 424): 180

• Limited to run from July onwards→ Machine development (upgrade IS408): 15

Requested shifts: 214→ Non-MINIBALL: 38→ MINIBALL: 176

Allocated: 162→ Non-MINIBALL: 26→ MINIBALL: 136


RILIS

Requested Physics shifts: 264→ Limited manpower…→ …and operating time

Requested elements:• Mg: 80 shifts• Ag: 38• Cd: 36• Sn: 31• Zn: 28• Other: Ga, Mn, Pb…

L.M. Fraile, CERN PH/IS

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