Cooldown with the dilution refrigerator (November 2006)
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Starting of the 4.2 kelvin cooldown (31.01.2005)
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Reassembling of the cryostat for a 4.2 kelvin run test off the beam (December 2004)
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Mounting of the dilution refrigerator (Leiden,NL November/December 2004)
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4.2 kelvin run, setup and preliminary results (June 2004)
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Cryostat failure (February 2004)
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New thermal links on 4 K flange and Pt1000 thermometers on 77 K flange (January 2004)
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77 kelvin party, cryogenic staff during the He cool down (17/18.12.2003)
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RAP radiation shields mounting for 4.2 K runs (28.11.2003)
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RAP signal at room temperature with 510 MeV electrons (25.07.2003)
Bottom right plot: Amplitude at bar resonance frequency,
4 beam pulses are clearly seen by RAP followed by mechanical exponential decay.
Amplitude at bar resonance frequency for calibration pulse to PZ.
RAP signal at room temperature with 510 MeV electrons (19.07.2003)
Frequency spectrum (at the spectrum analyzer) for the very first hit on
RAP (resonance frequency =5.096 kHz)
RAP run control ready (18.07.2003)
RAP Bar Suspension free, Cryostat closed (16.07.2003)
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RAP Bar Sound
RAP Bar installation (30.06.2003)
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RAP Suspension installation (27.06.2003)
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The suspension into the BTF experimental hall (23.06.2003)
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RAP Collaboration people
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The cryostat moved to the BTF experimental hall (18.06.2003)
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The MINIGRAIL cryostat: similar cryogenic setup of RAP experiment
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VMIC 3123 ADC acquisition running and writing on disk at 100 kHz (15.04.2003)
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