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  HEPHY logbook for testbeam at SPS June 2009, Page 6 of 6  Not logged in ELOG logo
ID Date Author Projectup Subject Run Number Events StartTime EndTime
  38   Thu Aug 20 19:46:02 2009 Manfred Valentanalignment_laserlaser at high intensity, far sensor in 2nd positionlaser0055000020.08.2009 19:45:1620.08.2009 19:53:01

far sensor in 2nd position; laser at high intensity (saturation on near sensor, good signal on far sensor)

HV=70V, 40MHz, 6 samples, beam off, far sensor in 2nd position
5ns trigger pulse width, 1 kHz trigger,
current_laser=10mA,
Photodiode: pulse_width=50ns, amplitude=45mV

 

  39   Thu Aug 20 19:56:21 2009 Manfred Valentanalignment_laserbackground mesurement with laser OFFlaser00610k20.08.2009 19:54:0420.08.2009 19:55:38
  40   Thu Aug 20 20:06:06 2009 Manfred Valentanalignment_laserlow intensity (like laser001), but far sensor in 2nd positionlaser00750k20.08.2009 19:57:5220.08.2009 20:05:34

HV=70V, 40MHz, 6 samples, beam off, far sensor in 2nd position
5ns trigger pulse width, 1 kHz trigger,
current_laser=10mA,
Photodiode: pulse_width=15ns, amplitude=7mV

  58   Fri Aug 21 22:42:32 2009 Thomas BergauercommonEUDAQ config file used when running with telescope    

 

Used until Friday, 21.08.09:

 

AndMask = 0xf # 4x4 mm scintillator for trigger 

Used since Friday, 21.08.09: 
AndMask = 0xc # 9x9 mm scintillator for trigger 





Local trigger using TLU only: ALWAYS WITH 9x9mm scintillator

  65   Sat Aug 22 11:54:49 2009 Thomas Bergauercommonbeam profile    

beam shifted a bit in vertical direction downwards since 21. August 09 evening

Beam configuration:

Beam configuration file: H6b.802 (FM HAD (P0 off, H8=+180) PARLALLEL IN H6B SILC 2008

  71   Sat Aug 22 15:12:44 2009 Thomas Bergauercommonbeam profile    

playing with TRIM4 in vertical plane (setting to 20A current) shifted beamspot back to center position

Beam configuration:
Beam configuration file: H6b.802 (FM HAD (P0 off, H8=+180) PARLALLEL IN H6B SILC 2008

Rate: 3.35E5 particles/spill (measured with SCINT8 in beamline)

Particle Production Applet
Calculator applet

For +120 Gev/c beam:

Pi+ 55.67 %
p 38.95 %
K+ 5.38 %

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