NA44-misc-notes

NA44-misc-notes

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FIGURES FROM THE AEROGEL WRITEUP

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Figure 1 - aerogel transmission

Figure 2 - C-spectrum, split into scatt/unscatt photons

Figure 3 - signal/noise vs frequency

Figure 4 - sig/noise vs. frequency

Figure 5 - sig/noise for differnt Chunt

Figure 6 - origin in agel of photons

Figure 7 - detector side view

Figure 8 - mirror reflectivity

Figure 9 - lens measurement setup

Figure 10 - fresnel measurements - big lens

Figure 11 - fresnel measurements - small lens

Figure 12 - iris diameter calibration

Figure 13 - PMT Q-efficiency, and acrylic transmission

Figure 14 - run number vs radius

Figure 15 - pid cuts in c1-vs-mass2

Figure 16 - fiducial cuts in agel plane

Figure 17 - photon counting for pi pairs tape

Figure 18 - photon counting for kaon tape

Figure 19 - n-photons for all runs

Figure 20 - x-y scans on aerogel acceptance

Figure 21 - MC reproduction of fig 19

Figure 22 - MC scan of acceptance

Figure 4 - cone geometry

---------------------------------------------------------------------- Comments, suggestions, additions and requests are welcome; Send email to Hubert van Hecke (hubert@lanl.gov).

last update: 25 April 95