/[PAMELA software]/DarthVader/ToFLevel2/src/toftrk.for
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Annotation of /DarthVader/ToFLevel2/src/toftrk.for

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Revision 1.3 - (hide annotations) (download)
Thu Aug 10 06:32:05 2006 UTC (18 years, 4 months ago) by mocchiut
Branch: MAIN
Changes since 1.2: +12 -12 lines
ToF bug fixed + new calo/tracker alignement

1 mocchiut 1.1 *****************************************************************************
2     INTEGER FUNCTION TOFTRK()
3     c
4     IMPLICIT NONE
5     C
6     include 'input_tof.txt'
7     include 'output_tof.txt'
8     include 'tofcomm.txt'
9     C
10    
11     c =======================================
12     c variables for tracking routine
13     c =======================================
14     integer NPOINT_MAX
15     parameter(NPOINT_MAX=100)
16    
17     c define TOF Z-coordinates
18     integer NPTOF
19     parameter (NPTOF=6)
20     DOUBLE PRECISION ZTOF(NPTOF)
21     DATA ZTOF/53.74,53.04,23.94,23.44,-23.49,-24.34/ !Sergio 9.05.2006
22    
23     integer itof
24    
25     DOUBLE PRECISION al_p(5),
26     & xout(NPOINT_MAX),yout(NPOINT_MAX),zin(NPTOF)
27    
28     INTEGER IFAIL
29     REAL dx,dy,dr,ds
30     REAL yhelp,xdummy,xkorr0,xhelp,xhelp1,xhelp2
31     REAL c1,c2,sw,sxw,w_i
32     INTEGER icount
33    
34     REAL beta_mean
35 mocchiut 1.2 INTEGER j
36 mocchiut 1.1
37     REAL theta12,theta13,theta23
38     C-- DATA ZTOF/53.74,53.04,23.94,23.44,-23.49,-24.34/ !Sergio 9.05.2006
39     REAL tofarm12
40     PARAMETER (tofarm12 = 29.70) ! from 53.39 to 23.69
41     REAL tofarm23
42     PARAMETER (tofarm23 = 47.61) ! from 23.69 to -23.92
43     REAL tofarm13
44     PARAMETER (tofarm13 = 77.31) ! from 53.39 to -23.92
45    
46    
47    
48    
49     INTEGER ihelp
50     REAL xkorr
51    
52     REAL yl,yh,xl,xh
53     C
54     REAL hmemor(9000000)
55     INTEGER Iquest(100)
56     C
57     COMMON / pawcd / hmemor
58     save / pawcd /
59     C
60     Common / QUESTd / Iquest
61     save / questd /
62     C
63     C Begin !
64     C
65     TOFTRK = 0
66    
67     *******************************************************************
68    
69     offset = 1
70     slope = 2
71     left = 1
72     right = 2
73     none_ev = 0
74     none_find = 0
75     tdc_ev = 1
76     adc_ev = 1
77     itdc = 1
78     iadc = 2
79    
80     do i=1,13
81     beta_a(i) = 100.
82     enddo
83    
84 mocchiut 1.2 do i=1,4
85     do j=1,12
86     adc_c(i,j) = 1000.
87     enddo
88     enddo
89    
90     do i=1,12
91     do j=1,4
92     tofmask(j,i) = 0
93     enddo
94     enddo
95    
96 mocchiut 1.1 C------ read tracking routine
97     * igoodevent = igoodevent+1
98     * assigned input parameters for track routine
99     * 1) Z-coordinates where the trajectory is evaluated
100     do itof=1,NPTOF
101     ZIN(itof) = ZTOF(itof)
102     enddo
103     * 2) track status vector
104     C COPY THE ALFA VECTOR FROM AL_PP TO AL_P FOR THE TRACK "T"
105     do i=1,5
106     AL_P(i) = al_pp(i)
107     enddo
108     if (al_p(5).eq.0.) THEN
109     PRINT *,' TOF - WARNING F77: track with R = 0, discarded'
110     GOTO 969
111     ENDIF
112     * -------- *** tracking routine *** --------
113     IFAIL = 0
114     call DOTRACK(NPTOF,ZIN,XOUT,YOUT,AL_P,IFAIL)
115     if(IFAIL.ne.0)then
116     print *,' TOF - WARNING F77: tracking failed '
117     goto 969
118     endif
119     * ------------------------------------------
120    
121     969 continue
122    
123     C-------------------------------------------------------------
124     C------- check which paddle penetrated the track -----------
125     C-------------------------------------------------------------
126     c middle y (or x) position of the upper and middle ToF-Paddle
127     c DATA tof11_x/ -17.85,-12.75,-7.65,-2.55,2.55,7.65,12.75,17.85/
128     c DATA tof12_y/ -13.75,-8.25,-2.75,2.75,8.25,13.75/
129     c DATA tof21_y/ -3.75,3.75/
130     c DATA tof22_x/ -4.5,4.5/
131     c DATA tof31_x/ -6.0,0.,6.0/
132     c DATA tof32_y/ -5.0,0.0,5.0/
133     c
134     c S11 8 paddles 33.0 x 5.1 cm
135     c S12 6 paddles 40.8 x 5.5 cm
136     c S21 2 paddles 18.0 x 7.5 cm
137     c S22 2 paddles 15.0 x 9.0 cm
138     c S31 3 paddles 15.0 x 6.0 cm
139     c S32 3 paddles 18.0 x 5.0 cm
140    
141    
142     C-------------- S11 --------------------------------------
143    
144     tof11_i = none_find
145    
146     yl = -33.0/2.
147     yh = 33.0/2.
148    
149     if ((yout(1).gt.yl).and.(yout(1).lt.yh)) then
150     do i=1,8
151     xl = tof11_x(i) - 5.1/2.
152     xh = tof11_x(i) + 5.1/2.
153     if ((xout(1).gt.xl).and.(xout(1).le.xh)) then
154     tof11_i=i
155     endif
156     enddo
157     endif
158    
159     C-------------- S12 --------------------------------------
160    
161     tof12_i = none_find
162    
163     xl = -40.8/2.
164     xh = 40.8/2.
165    
166     if ((xout(2).gt.xl).and.(xout(2).lt.xh)) then
167     do i=1,6
168     yl = tof12_y(i) - 5.5/2.
169     yh = tof12_y(i) + 5.5/2.
170     if ((yout(2).gt.yl).and.(yout(2).le.yh)) then
171     tof12_i=i
172     endif
173     enddo
174     endif
175    
176     C-------------- S21 --------------------------------------
177    
178     tof21_i = none_find
179    
180     xl = -18./2.
181     xh = 18./2.
182    
183     if ((xout(3).gt.xl).and.(xout(3).lt.xh)) then
184     do i=1,2
185     yl = tof21_y(i) - 7.5/2.
186     yh = tof21_y(i) + 7.5/2.
187     if ((yout(3).gt.yl).and.(yout(3).le.yh)) then
188     tof21_i=i
189     endif
190     enddo
191     endif
192    
193     C-------------- S22 --------------------------------------
194    
195     tof22_i = none_find
196    
197     yl = -15./2.
198     yh = 15./2.
199    
200     if ((yout(4).gt.yl).and.(yout(4).lt.yh)) then
201     do i=1,2
202     xl = tof22_x(i) - 9.0/2.
203     xh = tof22_x(i) + 9.0/2.
204     if ((xout(4).gt.xl).and.(xout(4).le.xh)) then
205     tof22_i=i
206     endif
207     enddo
208     endif
209    
210     C-------------- S31 --------------------------------------
211    
212     tof31_i = none_find
213    
214     yl = -15.0/2.
215     yh = 15.0/2.
216    
217     if ((yout(5).gt.yl).and.(yout(5).lt.yh)) then
218     do i=1,3
219     xl = tof31_x(i) - 6.0/2.
220     xh = tof31_x(i) + 6.0/2.
221     if ((xout(5).gt.xl).and.(xout(5).le.xh)) then
222     tof31_i=i
223     endif
224     enddo
225     endif
226    
227     C-------------- S32 --------------------------------------
228    
229     tof32_i = none_find
230    
231     xl = -18.0/2.
232     xh = 18.0/2.
233    
234     if ((xout(6).gt.xl).and.(xout(6).lt.xh)) then
235     do i=1,3
236     yl = tof32_y(i) - 5.0/2.
237     yh = tof32_y(i) + 5.0/2.
238     if ((yout(6).gt.yl).and.(yout(6).le.yh)) then
239     tof32_i=i
240     endif
241     enddo
242     endif
243    
244 mocchiut 1.2 C------------------------------------------------------------------
245     C--- calculate track position in paddle using timing difference
246     C------------------------------------------------------------------
247    
248     do i=1,3
249     xtofpos(i)=100.
250     ytofpos(i)=100.
251     enddo
252     C-----------------------------S1 --------------------------------
253    
254     IF (tof11_i.GT.none_find) THEN
255     ytofpos(1) = ((tof11(1,tof11_i,itdc)-tof11(2,tof11_i,itdc))/2.
256     + -y_coor_lin11(tof11_i,offset))/y_coor_lin11(tof11_i,slope)
257     endif
258    
259     IF (tof12_i.GT.none_find) THEN
260     xtofpos(1) = ((tof12(1,tof12_i,itdc)-tof12(2,tof12_i,itdc))/2.
261     + -x_coor_lin12(tof12_i,offset))/x_coor_lin12(tof12_i,slope)
262     endif
263    
264    
265     C-----------------------------S2 --------------------------------
266    
267     IF (tof21_i.GT.none_find) THEN
268     xtofpos(2) = ((tof21(1,tof21_i,itdc)-tof21(2,tof21_i,itdc))/2.
269     + -x_coor_lin21(tof21_i,offset))/x_coor_lin21(tof21_i,slope)
270     endif
271    
272     IF (tof22_i.GT.none_find) THEN
273     ytofpos(2) = ((tof22(1,tof22_i,itdc)-tof22(2,tof22_i,itdc))/2.
274     + -y_coor_lin22(tof22_i,offset))/y_coor_lin22(tof22_i,slope)
275     endif
276    
277    
278     C-----------------------------S3 --------------------------------
279    
280     IF (tof31_i.GT.none_find) THEN
281     ytofpos(3) = ((tof31(1,tof31_i,itdc)-tof31(2,tof31_i,itdc))/2.
282     + -y_coor_lin31(tof31_i,offset))/y_coor_lin31(tof31_i,slope)
283     endif
284    
285     IF (tof32_i.GT.none_find) THEN
286     xtofpos(3) = ((tof32(1,tof32_i,itdc)-tof32(2,tof32_i,itdc))/2.
287     + -x_coor_lin32(tof32_i,offset))/x_coor_lin32(tof32_i,slope)
288     endif
289    
290    
291     do i=1,3
292     if (abs(xtofpos(i)).gt.100.) then
293     xtofpos(i)=101.
294     endif
295     if (abs(ytofpos(i)).gt.100.) then
296     ytofpos(i)=101.
297     endif
298     enddo
299    
300 mocchiut 1.1 C----------------------------------------------------------------------
301     C--------------------Corrections on ADC-data -------------------------
302     C---------------------zenith angle theta ---------------------------
303     C----------------------------------------------------------------------
304    
305    
306     dx=0.
307     dy=0.
308     dr=0.
309     theta13 = 0.
310    
311     if (xout(1).lt.100.) then
312     dx = xout(1)-xout(6)
313     dy = yout(1)-yout(6)
314     dr = sqrt(dx*dx+dy*dy)
315     theta13 = atan(dr/tofarm13)
316     endif
317    
318    
319     C----------------------------------------------------------------------
320     C------------------angle and ADC(x) correction
321     C----------------------------------------------------------------------
322     C-----------------------------S1 --------------------------------
323    
324     yhelp=yout(1)
325    
326     IF (tof11_i.GT.none_find.AND.yhelp.lt.100) THEN
327    
328     i = tof11_i
329     xdummy=tof11(left,i,iadc)
330     tof11(left,i,iadc) = tof11(left,i,iadc)*cos(theta13)
331 mocchiut 1.3 if (tof11(left,i,iadc).lt.4095) then
332 mocchiut 1.1 xkorr=adcx11(left,i,1)*exp(-yhelp/adcx11(left,i,2))
333     xkorr0=adcx11(left,i,1)
334     adc_c(ch11a(i),hb11a(i))=tof11(left,i,iadc)/xkorr
335     endif
336    
337     tof11(right,i,iadc) = tof11(right,i,iadc)*cos(theta13)
338 mocchiut 1.3 if (tof11(right,i,iadc).lt.4095) then
339 mocchiut 1.1 xkorr=adcx11(right,i,1)*exp(yhelp/adcx11(right,i,2))
340     xkorr0=adcx11(right,i,1)
341     adc_c(ch11b(i),hb11b(i))=tof11(right,i,iadc)/xkorr
342     endif
343     ENDIF
344    
345    
346     xhelp=xout(2)
347     IF (tof12_i.GT.none_find.AND.xhelp.lt.100) THEN
348    
349     i = tof12_i
350     tof12(left,i,iadc) = tof12(left,i,iadc)*cos(theta13)
351 mocchiut 1.3 if (tof12(left,i,iadc).lt.4095) then
352 mocchiut 1.1 xkorr=adcx12(left,i,1)*exp(-xhelp/adcx12(left,i,2))
353     xkorr0=adcx12(left,i,1)
354     adc_c(ch12a(i),hb12a(i))=tof12(left,i,iadc)/xkorr
355     endif
356    
357     tof12(right,i,iadc) = tof12(right,i,iadc)*cos(theta13)
358 mocchiut 1.3 if (tof12(right,i,iadc).lt.4095) then
359 mocchiut 1.1 xkorr=adcx12(right,i,1)*exp(xhelp/adcx12(right,i,2))
360     xkorr0=adcx12(right,i,1)
361     adc_c(ch12b(i),hb12b(i))=tof12(right,i,iadc)/xkorr
362     endif
363     ENDIF
364    
365     C-----------------------------S2 --------------------------------
366    
367     xhelp=xout(3)
368     IF (tof21_i.GT.none_find.AND.xhelp.lt.100) THEN
369    
370     i = tof21_i
371     tof21(left,i,iadc) = tof21(left,i,iadc)*cos(theta13)
372 mocchiut 1.3 if (tof21(left,i,iadc).lt.4095) then
373 mocchiut 1.1 xkorr=adcx21(left,i,1)*exp(-xhelp/adcx21(left,i,2))
374     xkorr0=adcx21(left,i,1)
375     adc_c(ch21a(i),hb21a(i))=tof21(left,i,iadc)/xkorr
376     endif
377    
378     tof21(right,i,iadc) = tof21(right,i,iadc)*cos(theta13)
379 mocchiut 1.3 if (tof21(right,i,iadc).lt.4095) then
380 mocchiut 1.1 xkorr=adcx21(right,i,1)*exp(xhelp/adcx21(right,i,2))
381     xkorr0=adcx21(right,i,1)
382     adc_c(ch21b(i),hb21b(i))=tof21(right,i,iadc)/xkorr
383     endif
384     ENDIF
385    
386     yhelp=yout(4)
387     IF (tof22_i.GT.none_find.AND.yhelp.lt.100) THEN
388    
389     i = tof22_i
390     tof22(left,i,iadc) = tof22(left,i,iadc)*cos(theta13)
391 mocchiut 1.3 if (tof22(left,i,iadc).lt.4095) then
392 mocchiut 1.1 xkorr=adcx22(left,i,1)*exp(-yhelp/adcx22(left,i,2))
393     xkorr0=adcx22(left,i,1)
394     adc_c(ch22a(i),hb22a(i))=tof22(left,i,iadc)/xkorr
395     endif
396    
397     tof22(right,i,iadc) = tof22(right,i,iadc)*cos(theta13)
398 mocchiut 1.3 if (tof22(right,i,iadc).lt.4095) then
399 mocchiut 1.1 xkorr=adcx22(right,i,1)*exp(yhelp/adcx22(right,i,2))
400     xkorr0=adcx22(right,i,1)
401     adc_c(ch22b(i),hb22b(i))=tof22(right,i,iadc)/xkorr
402     endif
403     ENDIF
404    
405     C-----------------------------S3 --------------------------------
406    
407     yhelp=yout(5)
408     IF (tof31_i.GT.none_find.AND.yhelp.lt.100) THEN
409    
410     i = tof31_i
411     tof31(left,i,iadc) = tof31(left,i,iadc)*cos(theta13)
412 mocchiut 1.3 if (tof31(left,i,iadc).lt.4095) then
413 mocchiut 1.1 xkorr=adcx31(left,i,1)*exp(-yhelp/adcx31(left,i,2))
414     xkorr0=adcx31(left,i,1)
415     adc_c(ch31a(i),hb31a(i))=tof31(left,i,iadc)/xkorr
416     endif
417    
418     tof31(right,i,iadc) = tof31(right,i,iadc)*cos(theta13)
419 mocchiut 1.3 if (tof31(right,i,iadc).lt.4095) then
420 mocchiut 1.1 xkorr=adcx31(right,i,1)*exp(yhelp/adcx31(right,i,2))
421     xkorr0=adcx31(right,i,1)
422     adc_c(ch31b(i),hb31b(i))=tof31(right,i,iadc)/xkorr
423     endif
424     ENDIF
425    
426     xhelp=xout(6)
427     IF (tof32_i.GT.none_find.AND.xhelp.lt.100) THEN
428    
429     i = tof32_i
430     tof32(left,i,iadc) = tof32(left,i,iadc)*cos(theta13)
431 mocchiut 1.3 if (tof32(left,i,iadc).lt.4095) then
432 mocchiut 1.1 xkorr=adcx32(left,i,1)*exp(-xhelp/adcx32(left,i,2))
433     xkorr0=adcx32(left,i,1)
434     adc_c(ch32a(i),hb32a(i))=tof32(left,i,iadc)/xkorr
435     endif
436    
437     tof32(right,i,iadc) = tof32(right,i,iadc)*cos(theta13)
438 mocchiut 1.3 if (tof32(right,i,iadc).lt.4095) then
439 mocchiut 1.1 xkorr=adcx32(right,i,1)*exp(xhelp/adcx32(right,i,2))
440     xkorr0=adcx32(right,i,1)
441     adc_c(ch32b(i),hb32b(i))=tof32(right,i,iadc)/xkorr
442     endif
443     ENDIF
444    
445     C-----------------------------------------------------------------------
446     C----------------------calculate Beta ------------------------------
447     C-----------------------------------------------------------------------
448     C-------------------difference of sums ---------------------------
449     C
450     C DS = (t1+t2) - t3+t4)
451     C DS = c1 + c2/beta*cos(theta)
452     C c2 = 2d/c gives c2 = 2d/(c*TDCresolution) TDC=50ps/channel
453     C => c2 = ca.60 for 0.45 m c2 = ca.109 for 0.81 m
454     C since TDC resolution varies slightly c2 has to be calibrated
455    
456     C S11 - S31
457     IF (tof11_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
458     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
459     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
460     ds = xhelp1-xhelp2
461     ihelp=(tof11_i-1)*3+tof31_i
462     c1 = k_S11S31(1,ihelp)
463     c2 = k_S11S31(2,ihelp)
464     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
465     & beta_a(1) = c2/(cos(theta13)*(ds-c1))
466 mocchiut 1.2
467     C------- ToF Mask - S11 - S31
468    
469     tofmask(ch11a(tof11_i),hb11a(tof11_i)) =
470     $ tofmask(ch11a(tof11_i),hb11a(tof11_i)) + 1
471     tofmask(ch11b(tof11_i),hb11b(tof11_i)) =
472     $ tofmask(ch11b(tof11_i),hb11b(tof11_i)) + 1
473    
474     tofmask(ch31a(tof31_i),hb31a(tof31_i)) =
475     $ tofmask(ch31a(tof31_i),hb31a(tof31_i)) + 1
476     tofmask(ch31b(tof31_i),hb31b(tof31_i)) =
477     $ tofmask(ch31b(tof31_i),hb31b(tof31_i)) + 1
478    
479     C-------
480    
481 mocchiut 1.1 ENDIF
482    
483     C S11 - S32
484     IF (tof11_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
485     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
486     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
487     ds = xhelp1-xhelp2
488     ihelp=(tof11_i-1)*3+tof32_i
489     c1 = k_S11S32(1,ihelp)
490     c2 = k_S11S32(2,ihelp)
491     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
492     & beta_a(2) = c2/(cos(theta13)*(ds-c1))
493 mocchiut 1.2
494     C------- ToF Mask - S11 - S32
495    
496     tofmask(ch11a(tof11_i),hb11a(tof11_i)) =
497     $ tofmask(ch11a(tof11_i),hb11a(tof11_i)) + 1
498     tofmask(ch11b(tof11_i),hb11b(tof11_i)) =
499     $ tofmask(ch11b(tof11_i),hb11b(tof11_i)) + 1
500    
501     tofmask(ch32a(tof32_i),hb32a(tof32_i)) =
502     $ tofmask(ch32a(tof32_i),hb32a(tof32_i)) + 1
503     tofmask(ch32b(tof32_i),hb32b(tof32_i)) =
504     $ tofmask(ch32b(tof32_i),hb32b(tof32_i)) + 1
505    
506     C-------
507    
508 mocchiut 1.1 ENDIF
509    
510     C S12 - S31
511     IF (tof12_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
512     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
513     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
514     ds = xhelp1-xhelp2
515     ihelp=(tof12_i-1)*3+tof31_i
516     c1 = k_S12S31(1,ihelp)
517     c2 = k_S12S31(2,ihelp)
518     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
519     & beta_a(3) = c2/(cos(theta13)*(ds-c1))
520 mocchiut 1.2
521     C------- ToF Mask - S12 - S31
522    
523     tofmask(ch12a(tof12_i),hb12a(tof12_i)) =
524     $ tofmask(ch12a(tof12_i),hb12a(tof12_i)) + 1
525     tofmask(ch12b(tof12_i),hb12b(tof12_i)) =
526     $ tofmask(ch12b(tof12_i),hb12b(tof12_i)) + 1
527    
528     tofmask(ch31a(tof31_i),hb31a(tof31_i)) =
529     $ tofmask(ch31a(tof31_i),hb31a(tof31_i)) + 1
530     tofmask(ch31b(tof31_i),hb31b(tof31_i)) =
531     $ tofmask(ch31b(tof31_i),hb31b(tof31_i)) + 1
532    
533     C-------
534    
535 mocchiut 1.1 ENDIF
536    
537     C S12 - S32
538     IF (tof12_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
539     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
540     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
541     ds = xhelp1-xhelp2
542     ihelp=(tof12_i-1)*3+tof32_i
543     c1 = k_S12S32(1,ihelp)
544     c2 = k_S12S32(2,ihelp)
545     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
546     & beta_a(4) = c2/(cos(theta13)*(ds-c1))
547 mocchiut 1.2
548     C------- ToF Mask - S12 - S32
549    
550     tofmask(ch12a(tof12_i),hb12a(tof12_i)) =
551     $ tofmask(ch12a(tof12_i),hb12a(tof12_i)) + 1
552     tofmask(ch12b(tof12_i),hb12b(tof12_i)) =
553     $ tofmask(ch12b(tof12_i),hb12b(tof12_i)) + 1
554    
555     tofmask(ch32a(tof32_i),hb32a(tof32_i)) =
556     $ tofmask(ch32a(tof32_i),hb32a(tof32_i)) + 1
557     tofmask(ch32b(tof32_i),hb32b(tof32_i)) =
558     $ tofmask(ch32b(tof32_i),hb32b(tof32_i)) + 1
559    
560     C-------
561    
562 mocchiut 1.1 ENDIF
563    
564     C S21 - S31
565     IF (tof21_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
566     xhelp1 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
567     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
568     ds = xhelp1-xhelp2
569     ihelp=(tof21_i-1)*3+tof31_i
570     c1 = k_S21S31(1,ihelp)
571     c2 = k_S21S31(2,ihelp)
572     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
573     & beta_a(5) = c2/(cos(theta23)*(ds-c1))
574 mocchiut 1.2
575     C------- ToF Mask - S21 - S31
576    
577     tofmask(ch21a(tof21_i),hb21a(tof21_i)) =
578     $ tofmask(ch21a(tof21_i),hb21a(tof21_i)) + 1
579     tofmask(ch21b(tof21_i),hb21b(tof21_i)) =
580     $ tofmask(ch21b(tof21_i),hb21b(tof21_i)) + 1
581    
582     tofmask(ch31a(tof31_i),hb31a(tof31_i)) =
583     $ tofmask(ch31a(tof31_i),hb31a(tof31_i)) + 1
584     tofmask(ch31b(tof31_i),hb31b(tof31_i)) =
585     $ tofmask(ch31b(tof31_i),hb31b(tof31_i)) + 1
586    
587     C-------
588    
589 mocchiut 1.1 ENDIF
590    
591     C S21 - S32
592     IF (tof21_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
593     xhelp1 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
594     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
595     ds = xhelp1-xhelp2
596     ihelp=(tof21_i-1)*3+tof32_i
597     c1 = k_S21S32(1,ihelp)
598     c2 = k_S21S32(2,ihelp)
599     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
600     & beta_a(6) = c2/(cos(theta23)*(ds-c1))
601 mocchiut 1.2
602     C------- ToF Mask - S21 - S32
603    
604     tofmask(ch21a(tof21_i),hb21a(tof21_i)) =
605     $ tofmask(ch21a(tof21_i),hb21a(tof21_i)) + 1
606     tofmask(ch21b(tof21_i),hb21b(tof21_i)) =
607     $ tofmask(ch21b(tof21_i),hb21b(tof21_i)) + 1
608    
609     tofmask(ch32a(tof32_i),hb32a(tof32_i)) =
610     $ tofmask(ch32a(tof32_i),hb32a(tof32_i)) + 1
611     tofmask(ch32b(tof32_i),hb32b(tof32_i)) =
612     $ tofmask(ch32b(tof32_i),hb32b(tof32_i)) + 1
613    
614     C-------
615    
616 mocchiut 1.1 ENDIF
617    
618     C S22 - S31
619     IF (tof22_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
620     xhelp1 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
621     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
622     ds = xhelp1-xhelp2
623     ihelp=(tof22_i-1)*3+tof31_i
624     c1 = k_S22S31(1,ihelp)
625     c2 = k_S22S31(2,ihelp)
626     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
627     & beta_a(7) = c2/(cos(theta13)*(ds-c1))
628 mocchiut 1.2
629     C------- ToF Mask - S22 - S31
630    
631     tofmask(ch22a(tof22_i),hb22a(tof22_i)) =
632     $ tofmask(ch22a(tof22_i),hb22a(tof22_i)) + 1
633     tofmask(ch22b(tof22_i),hb22b(tof22_i)) =
634     $ tofmask(ch22b(tof22_i),hb22b(tof22_i)) + 1
635    
636     tofmask(ch31a(tof31_i),hb31a(tof31_i)) =
637     $ tofmask(ch31a(tof31_i),hb31a(tof31_i)) + 1
638     tofmask(ch31b(tof31_i),hb31b(tof31_i)) =
639     $ tofmask(ch31b(tof31_i),hb31b(tof31_i)) + 1
640    
641     C-------
642    
643 mocchiut 1.1 ENDIF
644    
645     C S22 - S32
646     IF (tof22_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
647     xhelp1 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
648     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
649     ds = xhelp1-xhelp2
650     ihelp=(tof22_i-1)*3+tof32_i
651     c1 = k_S22S32(1,ihelp)
652     c2 = k_S22S32(2,ihelp)
653     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
654     & beta_a(8) = c2/(cos(theta13)*(ds-c1))
655 mocchiut 1.2
656     C------- ToF Mask - S22 - S32
657    
658     tofmask(ch22a(tof22_i),hb22a(tof22_i)) =
659     $ tofmask(ch22a(tof22_i),hb22a(tof22_i)) + 1
660     tofmask(ch22b(tof22_i),hb22b(tof22_i)) =
661     $ tofmask(ch22b(tof22_i),hb22b(tof22_i)) + 1
662    
663     tofmask(ch32a(tof32_i),hb32a(tof32_i)) =
664     $ tofmask(ch32a(tof32_i),hb32a(tof32_i)) + 1
665     tofmask(ch32b(tof32_i),hb32b(tof32_i)) =
666     $ tofmask(ch32b(tof32_i),hb32b(tof32_i)) + 1
667    
668     C-------
669    
670 mocchiut 1.1 ENDIF
671    
672     C S11 - S21
673     IF (tof11_i.GT.none_find.AND.tof21_i.GT.none_find) THEN
674     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
675     xhelp2 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
676     ds = xhelp1-xhelp2
677     ihelp=(tof11_i-1)*2+tof21_i
678     c1 = k_S11S21(1,ihelp)
679     c2 = k_S11S21(2,ihelp)
680     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
681     & beta_a(9) = c2/(cos(theta12)*(ds-c1))
682 mocchiut 1.2
683     C------- ToF Mask - S11 - S21
684    
685     tofmask(ch11a(tof11_i),hb11a(tof11_i)) =
686     $ tofmask(ch11a(tof11_i),hb11a(tof11_i)) + 1
687     tofmask(ch11b(tof11_i),hb11b(tof11_i)) =
688     $ tofmask(ch11b(tof11_i),hb11b(tof11_i)) + 1
689    
690     tofmask(ch21a(tof21_i),hb21a(tof21_i)) =
691     $ tofmask(ch21a(tof21_i),hb21a(tof21_i)) + 1
692     tofmask(ch21b(tof21_i),hb21b(tof21_i)) =
693     $ tofmask(ch21b(tof21_i),hb21b(tof21_i)) + 1
694    
695     C-------
696    
697 mocchiut 1.1 ENDIF
698    
699     C S11 - S22
700     IF (tof11_i.GT.none_find.AND.tof22_i.GT.none_find) THEN
701     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
702     xhelp2 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
703     ds = xhelp1-xhelp2
704     ihelp=(tof11_i-1)*2+tof22_i
705     c1 = k_S11S22(1,ihelp)
706     c2 = k_S11S22(2,ihelp)
707     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
708     & beta_a(10) = c2/(cos(theta12)*(ds-c1))
709 mocchiut 1.2
710     C------- ToF Mask - S11 - S22
711    
712     tofmask(ch11a(tof11_i),hb11a(tof11_i)) =
713     $ tofmask(ch11a(tof11_i),hb11a(tof11_i)) + 1
714     tofmask(ch11b(tof11_i),hb11b(tof11_i)) =
715     $ tofmask(ch11b(tof11_i),hb11b(tof11_i)) + 1
716    
717     tofmask(ch22a(tof22_i),hb22a(tof22_i)) =
718     $ tofmask(ch22a(tof22_i),hb22a(tof22_i)) + 1
719     tofmask(ch22b(tof22_i),hb22b(tof22_i)) =
720     $ tofmask(ch22b(tof22_i),hb22b(tof22_i)) + 1
721    
722     C-------
723    
724 mocchiut 1.1 ENDIF
725    
726     C S12 - S21
727     IF (tof12_i.GT.none_find.AND.tof21_i.GT.none_find) THEN
728     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
729     xhelp2 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
730     ds = xhelp1-xhelp2
731     ihelp=(tof12_i-1)*2+tof21_i
732     c1 = k_S12S21(1,ihelp)
733     c2 = k_S12S21(2,ihelp)
734     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
735     & beta_a(11) = c2/(cos(theta12)*(ds-c1))
736 mocchiut 1.2
737     C------- ToF Mask - S12 - S21
738    
739     tofmask(ch12a(tof12_i),hb12a(tof12_i)) =
740     $ tofmask(ch12a(tof12_i),hb12a(tof12_i)) + 1
741     tofmask(ch12b(tof12_i),hb12b(tof12_i)) =
742     $ tofmask(ch12b(tof12_i),hb12b(tof12_i)) + 1
743    
744     tofmask(ch21a(tof21_i),hb21a(tof21_i)) =
745     $ tofmask(ch21a(tof21_i),hb21a(tof21_i)) + 1
746     tofmask(ch21b(tof21_i),hb21b(tof21_i)) =
747     $ tofmask(ch21b(tof21_i),hb21b(tof21_i)) + 1
748    
749     C-------
750    
751 mocchiut 1.1 ENDIF
752    
753     C S12 - S22
754     IF (tof12_i.GT.none_find.AND.tof22_i.GT.none_find) THEN
755     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
756     xhelp2 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
757     ds = xhelp1-xhelp2
758     ihelp=(tof12_i-1)*2+tof22_i
759     c1 = k_S12S22(1,ihelp)
760     c2 = k_S12S22(2,ihelp)
761     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
762     & beta_a(12) = c2/(cos(theta12)*(ds-c1))
763 mocchiut 1.2
764     C------- ToF Mask - S12 - S22
765    
766     tofmask(ch12a(tof12_i),hb12a(tof12_i)) =
767     $ tofmask(ch12a(tof12_i),hb12a(tof12_i)) + 1
768     tofmask(ch12b(tof12_i),hb12b(tof12_i)) =
769     $ tofmask(ch12b(tof12_i),hb12b(tof12_i)) + 1
770    
771     tofmask(ch22a(tof22_i),hb22a(tof22_i)) =
772     $ tofmask(ch22a(tof22_i),hb22a(tof22_i)) + 1
773     tofmask(ch22b(tof22_i),hb22b(tof22_i)) =
774     $ tofmask(ch22b(tof22_i),hb22b(tof22_i)) + 1
775    
776     C-------
777    
778 mocchiut 1.1 ENDIF
779    
780     C-------
781    
782     icount=0
783     sw=0.
784     sxw=0.
785     beta_mean=100.
786    
787     do i=1,12
788     if ((beta_a(i).gt.-1.5).and.(beta_a(i).lt.1.5)) then
789     icount= icount+1
790     if (i.le.4) w_i=1./(0.13**2.)
791     if ((i.ge.5).and.(i.le.8)) w_i=1./(0.16**2.)
792     if (i.ge.9) w_i=1./(0.25**2.) ! to be checked
793     sxw=sxw + beta_a(i)*w_i
794     sw =sw + w_i
795     endif
796     enddo
797    
798     if (icount.gt.0) beta_mean=sxw/sw
799     beta_a(13) = beta_mean
800    
801     RETURN
802     END
803    
804    

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