Run selection and hit cleaning for 1997 data and Monte Carlo

 

Table 8: Runs cut out of the 1997 data set.

Run number	Reason cut out
0-500	Half of all channels are bad
763-766, 768-769, 771-772	Strings 1 to 4 are bad
821-823, 825-828, 834-842, 863-874, 967-1001	Strings 8-10 are bad
773-774, 786-788, 790	Laser runs

ADC and TOT cleaning

1997 Experimental Data

0.3<adc<<>1000 p.e. (flag in recoos -y a=0.3:1000.)
run#$\leq$800 then 125<<>tot<<>2000 for modules 1-302 (flag in recoos -y b=125:2000.:1:302)
run#> 800 then 125<<>tot<<>2000 for modules 1-290 (flag in recoos -y b=125:2000.:1:290)

Monte Carlo

125<tot<2000 for modules 1-80
275<tot<2000 for modules 81-302 (flag in recoos -y b=125.:2000.:1:80 -y b=275.:2000.:81:302)

Note the TOT hit cleaning will change after the different pulse shapes for coax cables (used on strings 1 to 4) and twisted quad cables (strings 5 to 10) is accounted for. The TOT hit cleaning will be:
125<tot<2000 for modules 1-302

Timing and hit isolation cleaning Leading edge time shift of -19000 ns for the experimental data (deff -D -19000)
Leading edge shift of 3765 ns applied for Background Monte Carlo. (deff -D 3765)
Leading edge shift of 3300 ns applied for Signal Monte Carlo. (deff -D 3300)

The rest is the same for Experimental Data and Monte Carlo

Leading edge time window between 0-4500 ns. (flag in recoos -y R=0.:4500.)

Isolated hits require to be 1 neighbor within 70m and 500 ns (flag in recoos -y I=70.:500.:1)

First hit in each OM (flag in recoos -y A=1)

 

Table 9: Bad OMs taken out of the analysis for hit cleaning. Note for Monte Carlo OMs 34 and 299 assumed to be bad.

Bad OMs	Reason, and which runs
28,32,39,40,47,50,57,	Dead OMs, all runs
62,78,96,143,172,195,197,
199,227,235,267,231,232
83	no ADC or TOT, very bad and sporadic LE, all runs
167	very low rate, only x-talk-like hits, all runs
186	unstable and very noisy, all runs
190	bad LE and TOT, no ADC, all runs
233,234	very noise (perhaps good for run>686?), all runs
255	very noisy, bad LE,TOT, and ADC (perhaps good for run>639?)
	all runs
49	bad ADC/TOT (perhaps good for run # 470-9, 517-761, 1042-3?)
	all runs
84-86	all have bad ADC info, all runs
215	has bad ADC and TOT info, very low rate, all runs
261	ADC and TOT very unstable, for run>686 noise doubles, all runs
252	for run>750, large ADC pedestals that pass TOT cut, all runs
259,260	for run>686, ADC and TOT bad and 10x noise rate, all runs
34	died during 1997, run# < 773
79	surface readout problem fixed, run# < 771
80	surface readout problem fixed, run# < 774
1,70,82	773$\leq$ run# $\leq$762
18	1093$\leq$ run# $\leq$1116
35	run= 761
204,214,217,225,258,284	768$\leq$ run# $\leq$770 or 833$\leq$ run# $\leq$844
	or 967$\leq$ run# $\leq$1001 or 1082$\leq$ run# $\leq$1083
	or run# = 1116