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Title: High resolution laser spectroscopy of radioactive isotopes using a RFQ cooler-buncher at CERN-ISOLDE
Author: Mané Jùnior, Ernesto Batista
ISNI:       0000 0004 2669 4979
Awarding Body: University of Manchester
Current Institution: University of Manchester
Date of Award: 2009
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At CERN, the European Organization for Nuclear Research, radioactive nuclear beams are produced at the On-Line Isotope Mass Separator facility, ISOLDE. This facility provides a variety of exotic nuclear species for multidisciplinary experiments including nuclear physics. A gas-filled linear Paul trap was integrated at the focal plane of the high resolution separator magnets. Ion beams with reduced transverse emittance and energy spread are now available for all experiments located downstream the separator beam line. This deace is also able to accumulate the ion beam and release the collected sample in short bunches. Typical accumulation times are 100 ms and the released bunch width is '20 μs. Such bunching capabilities ies has subtantially increased the sensitivity of collinear I laser spectroscopy with florescence detection by reducing the background from laser scatter by up to four orders of magnitude. Laser spectroscopy of the 67-79 Ga isotopes was peformed and the ground-state spins and moments of these isotopes were determined.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available