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(newest | oldest) View (newer 50 | older 50) (20 | 50 | 100 | 250 | 500)- 11:01, 17 March 2010 Zihlmann (Talk | contribs) uploaded File:Halld gas systemA.pdf
- 19:10, 2 March 2010 Zihlmann (Talk | contribs) uploaded File:Halld gas.pdf (overview of the detector gas systems at jlab and what is needed in HallD)
- 12:52, 23 November 2009 Zihlmann (Talk | contribs) uploaded File:A.Teymurazyan eta hadronic background.pdf (Backround studies for eta-Primakoff)
- 14:58, 6 July 2009 Zihlmann (Talk | contribs) uploaded File:Top timediff position.gif (similar to the time difference spectrum but using a mean light speed of 16cm/ns inside the scintillator paddle to calculate the impact position of the cosmic ray passing through the paddle. )
- 14:53, 6 July 2009 Zihlmann (Talk | contribs) uploaded File:Top timediff.gif (Time difference spectrum of between left and right PMT of the first paddle in the TOP plane. f1TDC in high resolution mode is used. )
- 10:56, 11 June 2009 Zihlmann (Talk | contribs) uploaded File:Sector response.pdf (energy deposition in the BCAL for the 8 layers. layer 1 is at smallest radius. layer 8 at largest radius. black is down stream readout red is upstream readout.)
- 09:30, 29 April 2009 Zihlmann (Talk | contribs) uploaded File:Mat scan.jpg (Material scan of the geometry using gantino starting at the center of the target at a polar angle of 15 degree.)
- 09:28, 29 April 2009 Zihlmann (Talk | contribs) uploaded File:Cdc sideview.jpg (Side view of CDC geometry as implemented in April 2009 including the first FDC)
- 09:28, 29 April 2009 Zihlmann (Talk | contribs) uploaded File:Cdc center.jpg (Central view of the CDC geometry as implemented in April 2009.)
- 09:27, 29 April 2009 Zihlmann (Talk | contribs) uploaded File:Cdc geom side.jpg (side view of the CDC geometry as implemented in April 2009)
- 07:42, 31 March 2009 Zihlmann (Talk | contribs) uploaded File:Collimator331 5mm eloss.jpg (MC simulation of the fiber test stand with a Sr90 souce and a collimator of 3.31mm thickness that has a slit of 5mm length and a width of 0.5mm.)
- 07:40, 31 March 2009 Zihlmann (Talk | contribs) uploaded File:Collimator331 2mm eloss.jpg (MC calculation of fiber test stand with a Sr90 souce and a 3.31mm thick collimator that has a 2mm long slit of 0.5mm width.)
- 08:00, 30 March 2009 Zihlmann (Talk | contribs) uploaded File:Fiber event.jpg (Monte carlo event simulating an electron passing through the collimator slit and subsequently going through the scintillator fiber and being stopped in the trigger scintillator.)
- 13:12, 28 March 2009 Zihlmann (Talk | contribs) uploaded File:Collimator 5mm eloss.jpg (Sr90 source monte carlo simulation with a 5mm collimator slit)
- 13:11, 28 March 2009 Zihlmann (Talk | contribs) uploaded File:Collimator 2mm eloss.jpg (Sr90 source monte carlo simulation with 2mm collimator slit)
- 08:07, 25 March 2009 Zihlmann (Talk | contribs) uploaded File:Scopeshot3.gif (and another scope shot showing the signal from an XP2020 PMT for light from a blue LED)
- 08:06, 25 March 2009 Zihlmann (Talk | contribs) uploaded File:Scopeshot2.gif (another scope shot of the signal from the XP2020 PMT with a blue LED)
- 18:40, 24 March 2009 Zihlmann (Talk | contribs) uploaded File:Scopeshot.gif (scope shot of signals from the XP2020 PMT caused by light from an LED )
- 09:18, 24 March 2009 Zihlmann (Talk | contribs) uploaded File:Led linearity test2a.gif (linearity test of the extracted mean number of photo electrons from the XP1911 PMT used in the fiber test. The light output from the led is monitored by an XP2020 PMT plotted on the horizontal axis.)
- 16:53, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Fiber22 fiberend test.jpg (scan results of fiber 22 with different treatments of the fiber end.)
- 16:46, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Fiber13 painted ratio.gif (fiber number 13 scan result with the other fiber end untreated and painted black.)
- 16:40, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Atten mue.gif (attenuation length and mean number of photo electrons for SCSF-78MJ fibers using a Sr90 source.)
- 16:33, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Mnpe fiberscan.gif (mean number of photo electrons for SCSF-78MJ fibers at 200cm from the PMT using a Sr90 source.)
- 15:59, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 9.6milivolt.gif (CAEN ADC V792 test with -9.6mV DC signal offset)
- 15:58, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 5.0milivolt.gif (CAEN ADC V792 test with -5mV DC signal offset)
- 15:58, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 4.2milivolt.gif (CAEN ADC V792 test with -4.2mV DC signal offset )
- 15:57, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 4.0milivolt.gif (CAEN ADC v792 test -4.0mV DC signal offset)
- 15:56, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 3.9milivolt.gif (CAEN V792 ADC test -3.9mV offset)
- 15:56, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 3.5milivolt.gif (CAEN V792 ADC test -3.5mV DC offset)
- 15:51, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 0.0milivolt.gif (CAEN ADC V792N test. DC offset 0mV pedestal test. find that the built in threshold of this channel is 55 bins corresponding to 2.75pC.)
- 15:37, 23 March 2009 Zihlmann (Talk | contribs) uploaded File:Adc response 0.0milivolt.jpg (ADC spectrum of the CAEN V792 ADC with a 63.6ns gate and 0.0mV DC signal offset.)
- 13:24, 9 March 2009 Zihlmann (Talk | contribs) moved page March 06, 2009 Tracking CDC/FDC to March 09, 2009 Tracking CDC/FDC
- 19:38, 18 February 2009 Zihlmann (Talk | contribs) uploaded File:Fit res fiber1.jpg (fit results of fiber 1 from lot: 090128-2)
- 19:37, 18 February 2009 Zihlmann (Talk | contribs) uploaded File:Fit res fiber4.jpg (fit results of fiber 4 from lot: 090128-2)
- 19:31, 18 February 2009 Zihlmann (Talk | contribs) uploaded File:Fit res fiber8.jpg (first scan of fiber number 8 from lot 090128-2)
- 11:21, 14 November 2008 Zihlmann (Talk | contribs) uploaded File:Run134 sipm response bg subtr.jpg (SiPM ADC spectra. The top left panle shows the SiPM response to an arbitrary trigger (former LED-trigger). The first peak is the pedestal and the second peak is the one-photo electron peak. The top right panel shows the SiPM response corrected for backgro)
- 10:12, 14 November 2008 Zihlmann (Talk | contribs) uploaded File:Run111 sipm response bg subtr.jpg (SiPM ADC spectra. The top left panle shows the SiPM response to an arbitrary trigger (former LED-trigger). The first peak is the pedestal and the second peak is the one-photo electron peak. The top right panel shows the SiPM response corrected for backgro)
- 10:08, 14 November 2008 Zihlmann (Talk | contribs) uploaded File:Run111 sipm response bg subtr.ps (SiPM ADC spectra. The top left panle shows the SiPM response to an arbitrary trigger (former LED-trigger). The first peak is the pedestal and the second peak is the one-photo electron peak. The top right panel shows the SiPM response corrected for backgro)
- 17:34, 4 September 2008 Zihlmann (Talk | contribs) uploaded File:Bcf60 sr at 196cm.gif (Test of bcf60 fiber from Saint Gobain. the Sr90 source was set at 196cm from fiber end. The fiber was received from the company in December 2007. )
- 17:34, 4 September 2008 Zihlmann (Talk | contribs) uploaded File:Bcf60 sr at 96cm.gif (Test of bcf60 fiber from Saint Gobain. the Sr90 source was set at 96cm from fiber end. The fiber was received from the company in December 2007. )
- 17:33, 4 September 2008 Zihlmann (Talk | contribs) uploaded File:Bcf60 sr at 56cm.gif (Test of bcf60 fiber from Saint Gobain. the Sr90 source was set at 56cm from fiber end. The fiber was received from the company in December 2007.)
- 09:22, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Bcf12 sr at 176cm.gif (Response of XP2020 PMT to light from fiber bcf12 with Sr90 source positioned at 176 cm from the photo cathode. the fiber was received in Dec. 2007)
- 09:21, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Bcf12 sr at 101cm.gif (Sr90 source positioned at 101.5cm from photo cathode, testing the fiber of type bcf12 received in Dec. 2007. The total length of the fiber is about 180)
- 09:19, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Bcf12 sr at 56cm.gif (Test of BCF12. the fiber batch was received in Dec. 2007. The Sr 90 source is positioned at 56cm from the PMT photo cathode.)
- 08:59, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Collimator.gif (closeup of the collimator installed on top of the platform holding the fiber in place.)
- 08:58, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Platform.gif (small Aluminum platform positioned on top of the trigger scintillator. the large cutout is needed for the electrons to pass.)
- 08:57, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Assembly.gif (the individual part of the trigger scintillator with collimator.)
- 08:56, 3 September 2008 Zihlmann (Talk | contribs) uploaded File:Trigger setup.gif (Setup of the trigger scintillator with collimated electrons from Sr90 source)
- 15:37, 2 September 2008 Zihlmann (Talk | contribs) uploaded File:R46 5.gif (last 100k events of run46. Sr source was at 56 cm from fiber end facing the PMT photo cathode. The fiber was BCF20 Set2 #7 3/8)
- 15:36, 2 September 2008 Zihlmann (Talk | contribs) uploaded File:R46 4.gif (fifth 500k events of run46. Sr source was at 56 cm from fiber end facing the PMT photo cathode. The fiber was BCF20 Set2 #7 3/8)