Category: Physics Group Meeting Minutes
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1 September 2010
1 September 2010 News from experiments: · The experiment on manganese at GPS successfully studied the beta decays of 59-66Mn and their daughters. · There were however several technical problems on the side of ISOLDE: – The requested energy of 50keV was not provided, 30keV was used instead. Fortunately in the case of beta-decay studies
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25 August 2010
25 August 2010 1. Technical news: · HRS runs with Miniball were running rather smoothly. Only Na run didn’t have enough yield. · The GPS target does not hold 50kV. It is possible that the extraction electrode has been polluted by the use of a molten metal target and plasma ion sources in the previous
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4 August 2010
4 August 2010 In the absence of AH, MK will take over the tasks of ISOLDE Coordinator. Minutes by TEC Date 2010-08-04
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28 July 2010
28 July 2010 Minutes by TEC Date 2010-07-28
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14 July 2010
14 July 2010 1. News from experiments: · Successful measurements have been done on 178Tl looking for the mass distribution of the fission fragments. · Collections of 83Rb and 7Be at GLM have been completed. · Irradiation of PET foils with post-accelerated stable xenon and krypton have been done at the second REX beam line.
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16 June 2010
16 June 2010 1. Technical news: · The first online experiment at HRS this year was successful. Neutron-deficient copper isotopes were studied with laser spectroscopy down to 58Cu, using bunched beams from ISCOOL. This was followed by successful collections for the purposes of solid-state physics. · Already during beam setup the controls of ISCOOL stopped
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2 June 2010
2 June 2010 · Fire brigade was called into ISOLDE hall due to smell of smoke. Turned out to be just oil tripped on a hot roughing pump and thus a false alarm. It was anyway discussed that if someone is going heat up/bake out anything that may create smell of smoke, a log book
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25 May 2010
25 May 2010 · Last week solid-state physics and COLLAPS took Mg beam from GPS. The amount of Al impurities (10:1) was unexpected, but will anyway provide new results on very neutron-rich Mg isotopes. In the beginning of run, the Mg yields were about a factor of 8 higher thanks to RILIS performance. However, this
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19 May 2010
19 May 2010 1. Technical news: · ISOLTRAP completed a successful test of the new isobar separator with stable beam from HRS. · The GPS controller box broke during the first physics run on solid-state physics. A temporary repair with spare parts from HRS fixed the problem. However, there is a concern that GPS has
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5 May 2010
5 May 2010 1. Technical news: · After being used for examining the proton beam at GPS last week the SEM grid target was transferred to the HRS station. · The safety chain for the ISOLDE target and separator zones was reset on Friday. A tantalum target (#420) is installed on the GPS frontend in