AIDA
GELINA
BRIKEN
nToF
CRIB
ISOLDE
CIRCE
nTOFCapture
DESPEC
DTAS
EDI_PSA
179Ta
CARME
StellarModelling
DCF
K40
ISOLDE
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Wed Mar 26 10:23:33 2025
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Please see https://elog.ph.ed.ac.uk/ISOLDE/203 for the E_cm calculations. Presently, we are scheduled for 9 days: Nov 26-28 are three (3) days nominally for beam development Nov 29-Dec 4 are six (6) days nominally for physics data taking It is not required to use all beam dev time at the beginning of the run, and we can take data in here with a beam we like before moving on. We do, however, have to care for the fact that over the weekend of 1-2 Dec that we cannot change the beam (no operators) nor our target (no RP). ==Tentative Run Plan== 1 day for ion source and 2.8 MeV beam dev 1 day for High E_cm statistics, using the 6 um Ti foil 1 day for lower energy beam dev (for use with mid E_cm) 1.5 days for Mid E_cm statistics (Switch back to 2.8 MeV/u beam, takes under 1 hour) 4.5 days for Low E_cm ---Total 9 days--- ==Conditions== The High E_cm and Low E_cm can not only share the same 2.8 MeV/u beam, which is considered a fairly easy beam since this is the nominal REX energy. The Mid E_cm requires its own beam, and we have two conditions to choose from. =High E_cm= 6um Ti, 2.8 MeV/u beam: Ecm=5.56-5.86 MeV Pro: Beam energy is 'easy' Pro: Can share E_beam with Low E_cm =Mid E_cm= 2.5um HAVAR, 2.2 MeV beam: Ecm=4.76-5.06 MeV Pro: Beam energy was delivered previously in 2012 Con: Physics protons show up below the elastic ones 3um Ti, 1.88 MeV/u beam: Ecm=4.27-4.58 MeV Pro: Physics protons show up above the elastic ones Pro: We already made the gas cell Pro: Very similar E_cm to Margerin (but different conditions) Con: Beam energy might be difficult to achieve (but possible) =Low E_cm= 12.5 Al, 2.8 MeV/u beam: Ecm=3.41-3.72 MeV Pro: We have the foil installed and tested Pro: Beam is 'easy' Pro: Can share E_beam with High E_cm
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