6533b86dfe1ef96bd12caa36

RESEARCH PRODUCT

First application of the Laser Ion Source and Trap (LIST) for on-line experiments at ISOLDE

S.d. RichterT. M. MendoncaT. M. MendoncaD. PauwelsThierry StoraSebastian RotheSebastian RotheRichard CatherallThomas Elias CocoliosThomas Elias CocoliosKieran FlanaganR.e. RosselR.e. RosselD. A. FinkD. A. FinkM. SjödinJ.p. RamosJ.p. RamosE. RapisardaKlaus WendtA. GottbergA. GottbergD. V. FedorovKara Marie LynchKara Marie LynchSeliverstovV. N. FedosseevC. Van BeverenL. GhysKlaus BlaumNobuaki ImaiN. LecesneB. BastinB. A. MarshT. Kron

subject

Nuclear and High Energy Physics[PHYS.PHYS.PHYS-ACC-PH]Physics [physics]/Physics [physics]/Accelerator Physics [physics.acc-ph]Ion trapchemistry.chemical_element01 natural sciencesIn-source laser spectroscopylaw.inventionFranciumTrap (computing)LISTlawIonization0103 physical sciences010306 general physicsInstrumentationLaser ion sourceLarge Hadron Collider[PHYS.PHYS.PHYS-ATOM-PH]Physics [physics]/Physics [physics]/Atomic Physics [physics.atom-ph]010308 nuclear & particles physicsChemistryOn-line mass separatorOrders of magnitude (angular velocity)LaserIon sourceIon trapAtomic physics

description

The Laser Ion Source and Trap (LIST) provides a new mode of operation for the resonance ionization laser ion source (RILIS) at ISOLDE/CERN, reducing the amount of surface-ionized isobaric contaminants by up to four orders of magnitude. After the first successful on-line test at ISOLDE in 2011 the LIST was further improved in terms of efficiency, selectivity, and reliability through several off-line tests at Mainz University and at ISOLDE. In September 2012, the first on-line physics experiments to use the LIST took place at ISOLDE. The measurements of the improved LIST indicate more than a twofold increase in efficiency compared to the LIST of the 2011 run. The suppression of surface-ionized francium contaminants has enabled the first in-source laser spectroscopy of217Po and219Po. © 2013 Elsevier B.V. All rights reserved.

https://infoscience.epfl.ch/record/196788