On-line commissioning of SHIPTRAP

On-line commissioning of SHIPTRAP

The on-line commissioning of the Penning-trap mass spectrometer SHIPTRAP was successfully completed with a mass measurement of holmium and erbium radionuclides produced at SHIP. A large fraction of contaminant ions created in the stopping cell was identified to originate from the buffer-gas supply s...

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Veröffentlicht in:International journal of mass spectrometry 2006-04, Vol.251 (2), p.146-151
Hauptverfasser: Rahaman, S., Block, M., Ackermann, D., Beck, D., Chaudhuri, A., Eliseev, S., Geissel, H., Habs, D., Herfurth, F., Heßberger, F.P., Hofmann, S., Marx, G., Mukherjee, M., Neumayr, J.B., Petrick, M., Plaß, W.R., Quint, W., Rauth, C., Rodríguez, D., Scheidenberger, C., Schweikhard, L., Thirolf, P.G., Weber, C.
Format: Artikel
Sprache:eng
Schlagworte:
Atomic mass
Binding energy
Erbium
Holmium
Nuclear Experiment
Penning trap
Physics
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Zusammenfassung:The on-line commissioning of the Penning-trap mass spectrometer SHIPTRAP was successfully completed with a mass measurement of holmium and erbium radionuclides produced at SHIP. A large fraction of contaminant ions created in the stopping cell was identified to originate from the buffer-gas supply system. Using a liquid nitrogen cold trap they were reduced to a tolerable amount and mass measurements of Er 147 , Er 148 , and Ho 147 with relative uncertainties of about 1 × 1 0 − 6 were performed.
ISSN:1387-3806
1873-2798
DOI:10.1016/j.ijms.2006.01.049