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

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Revision 1.1.1.1 - (hide annotations) (download) (vendor branch)
Sat Jun 17 12:14:56 2006 UTC (18 years, 5 months ago) by mocchiut
Branch: ToFLevel2
CVS Tags: v0r01, v0r02, start, v1r00
Changes since 1.1: +0 -0 lines
Imported sources

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    
36    
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     C------ read tracking routine
85     * igoodevent = igoodevent+1
86     * assigned input parameters for track routine
87     * 1) Z-coordinates where the trajectory is evaluated
88     do itof=1,NPTOF
89     ZIN(itof) = ZTOF(itof)
90     enddo
91     * 2) track status vector
92     C COPY THE ALFA VECTOR FROM AL_PP TO AL_P FOR THE TRACK "T"
93     do i=1,5
94     AL_P(i) = al_pp(i)
95     enddo
96     if (al_p(5).eq.0.) THEN
97     PRINT *,' TOF - WARNING F77: track with R = 0, discarded'
98     GOTO 969
99     ENDIF
100     * -------- *** tracking routine *** --------
101     IFAIL = 0
102     call DOTRACK(NPTOF,ZIN,XOUT,YOUT,AL_P,IFAIL)
103     if(IFAIL.ne.0)then
104     print *,' TOF - WARNING F77: tracking failed '
105     goto 969
106     endif
107     * ------------------------------------------
108    
109     969 continue
110    
111     C-------------------------------------------------------------
112     C------- check which paddle penetrated the track -----------
113     C-------------------------------------------------------------
114     c middle y (or x) position of the upper and middle ToF-Paddle
115     c DATA tof11_x/ -17.85,-12.75,-7.65,-2.55,2.55,7.65,12.75,17.85/
116     c DATA tof12_y/ -13.75,-8.25,-2.75,2.75,8.25,13.75/
117     c DATA tof21_y/ -3.75,3.75/
118     c DATA tof22_x/ -4.5,4.5/
119     c DATA tof31_x/ -6.0,0.,6.0/
120     c DATA tof32_y/ -5.0,0.0,5.0/
121     c
122     c S11 8 paddles 33.0 x 5.1 cm
123     c S12 6 paddles 40.8 x 5.5 cm
124     c S21 2 paddles 18.0 x 7.5 cm
125     c S22 2 paddles 15.0 x 9.0 cm
126     c S31 3 paddles 15.0 x 6.0 cm
127     c S32 3 paddles 18.0 x 5.0 cm
128    
129    
130     C-------------- S11 --------------------------------------
131    
132     tof11_i = none_find
133    
134     yl = -33.0/2.
135     yh = 33.0/2.
136    
137     if ((yout(1).gt.yl).and.(yout(1).lt.yh)) then
138     do i=1,8
139     xl = tof11_x(i) - 5.1/2.
140     xh = tof11_x(i) + 5.1/2.
141     if ((xout(1).gt.xl).and.(xout(1).le.xh)) then
142     tof11_i=i
143     endif
144     enddo
145     endif
146    
147     C-------------- S12 --------------------------------------
148    
149     tof12_i = none_find
150    
151     xl = -40.8/2.
152     xh = 40.8/2.
153    
154     if ((xout(2).gt.xl).and.(xout(2).lt.xh)) then
155     do i=1,6
156     yl = tof12_y(i) - 5.5/2.
157     yh = tof12_y(i) + 5.5/2.
158     if ((yout(2).gt.yl).and.(yout(2).le.yh)) then
159     tof12_i=i
160     endif
161     enddo
162     endif
163    
164     C-------------- S21 --------------------------------------
165    
166     tof21_i = none_find
167    
168     xl = -18./2.
169     xh = 18./2.
170    
171     if ((xout(3).gt.xl).and.(xout(3).lt.xh)) then
172     do i=1,2
173     yl = tof21_y(i) - 7.5/2.
174     yh = tof21_y(i) + 7.5/2.
175     if ((yout(3).gt.yl).and.(yout(3).le.yh)) then
176     tof21_i=i
177     endif
178     enddo
179     endif
180    
181     C-------------- S22 --------------------------------------
182    
183     tof22_i = none_find
184    
185     yl = -15./2.
186     yh = 15./2.
187    
188     if ((yout(4).gt.yl).and.(yout(4).lt.yh)) then
189     do i=1,2
190     xl = tof22_x(i) - 9.0/2.
191     xh = tof22_x(i) + 9.0/2.
192     if ((xout(4).gt.xl).and.(xout(4).le.xh)) then
193     tof22_i=i
194     endif
195     enddo
196     endif
197    
198     C-------------- S31 --------------------------------------
199    
200     tof31_i = none_find
201    
202     yl = -15.0/2.
203     yh = 15.0/2.
204    
205     if ((yout(5).gt.yl).and.(yout(5).lt.yh)) then
206     do i=1,3
207     xl = tof31_x(i) - 6.0/2.
208     xh = tof31_x(i) + 6.0/2.
209     if ((xout(5).gt.xl).and.(xout(5).le.xh)) then
210     tof31_i=i
211     endif
212     enddo
213     endif
214    
215     C-------------- S32 --------------------------------------
216    
217     tof32_i = none_find
218    
219     xl = -18.0/2.
220     xh = 18.0/2.
221    
222     if ((xout(6).gt.xl).and.(xout(6).lt.xh)) then
223     do i=1,3
224     yl = tof32_y(i) - 5.0/2.
225     yh = tof32_y(i) + 5.0/2.
226     if ((yout(6).gt.yl).and.(yout(6).le.yh)) then
227     tof32_i=i
228     endif
229     enddo
230     endif
231    
232     C----------------------------------------------------------------------
233     C--------------------Corrections on ADC-data -------------------------
234     C---------------------zenith angle theta ---------------------------
235     C----------------------------------------------------------------------
236    
237    
238     dx=0.
239     dy=0.
240     dr=0.
241     theta13 = 0.
242    
243     if (xout(1).lt.100.) then
244     dx = xout(1)-xout(6)
245     dy = yout(1)-yout(6)
246     dr = sqrt(dx*dx+dy*dy)
247     theta13 = atan(dr/tofarm13)
248     endif
249    
250    
251     C----------------------------------------------------------------------
252     C------------------angle and ADC(x) correction
253     C----------------------------------------------------------------------
254     C-----------------------------S1 --------------------------------
255    
256     yhelp=yout(1)
257    
258     IF (tof11_i.GT.none_find.AND.yhelp.lt.100) THEN
259    
260     i = tof11_i
261     xdummy=tof11(left,i,iadc)
262     tof11(left,i,iadc) = tof11(left,i,iadc)*cos(theta13)
263     if (tof11(left,i,iadc).lt.1000) then
264     xkorr=adcx11(left,i,1)*exp(-yhelp/adcx11(left,i,2))
265     xkorr0=adcx11(left,i,1)
266     adc_c(ch11a(i),hb11a(i))=tof11(left,i,iadc)/xkorr
267     endif
268    
269     tof11(right,i,iadc) = tof11(right,i,iadc)*cos(theta13)
270     if (tof11(right,i,iadc).lt.1000) then
271     xkorr=adcx11(right,i,1)*exp(yhelp/adcx11(right,i,2))
272     xkorr0=adcx11(right,i,1)
273     adc_c(ch11b(i),hb11b(i))=tof11(right,i,iadc)/xkorr
274     endif
275     ENDIF
276    
277    
278     xhelp=xout(2)
279     IF (tof12_i.GT.none_find.AND.xhelp.lt.100) THEN
280    
281     i = tof12_i
282     tof12(left,i,iadc) = tof12(left,i,iadc)*cos(theta13)
283     if (tof12(left,i,iadc).lt.1000) then
284     xkorr=adcx12(left,i,1)*exp(-xhelp/adcx12(left,i,2))
285     xkorr0=adcx12(left,i,1)
286     adc_c(ch12a(i),hb12a(i))=tof12(left,i,iadc)/xkorr
287     endif
288    
289     tof12(right,i,iadc) = tof12(right,i,iadc)*cos(theta13)
290     if (tof12(right,i,iadc).lt.1000) then
291     xkorr=adcx12(right,i,1)*exp(xhelp/adcx12(right,i,2))
292     xkorr0=adcx12(right,i,1)
293     adc_c(ch12b(i),hb12b(i))=tof12(right,i,iadc)/xkorr
294     endif
295     ENDIF
296    
297     C-----------------------------S2 --------------------------------
298    
299     xhelp=xout(3)
300     IF (tof21_i.GT.none_find.AND.xhelp.lt.100) THEN
301    
302     i = tof21_i
303     tof21(left,i,iadc) = tof21(left,i,iadc)*cos(theta13)
304     if (tof21(left,i,iadc).lt.1000) then
305     xkorr=adcx21(left,i,1)*exp(-xhelp/adcx21(left,i,2))
306     xkorr0=adcx21(left,i,1)
307     adc_c(ch21a(i),hb21a(i))=tof21(left,i,iadc)/xkorr
308     endif
309    
310     tof21(right,i,iadc) = tof21(right,i,iadc)*cos(theta13)
311     if (tof21(right,i,iadc).lt.1000) then
312     xkorr=adcx21(right,i,1)*exp(xhelp/adcx21(right,i,2))
313     xkorr0=adcx21(right,i,1)
314     adc_c(ch21b(i),hb21b(i))=tof21(right,i,iadc)/xkorr
315     endif
316     ENDIF
317    
318     yhelp=yout(4)
319     IF (tof22_i.GT.none_find.AND.yhelp.lt.100) THEN
320    
321     i = tof22_i
322     tof22(left,i,iadc) = tof22(left,i,iadc)*cos(theta13)
323     if (tof22(left,i,iadc).lt.1000) then
324     xkorr=adcx22(left,i,1)*exp(-yhelp/adcx22(left,i,2))
325     xkorr0=adcx22(left,i,1)
326     adc_c(ch22a(i),hb22a(i))=tof22(left,i,iadc)/xkorr
327     endif
328    
329     tof22(right,i,iadc) = tof22(right,i,iadc)*cos(theta13)
330     if (tof22(right,i,iadc).lt.1000) then
331     xkorr=adcx22(right,i,1)*exp(yhelp/adcx22(right,i,2))
332     xkorr0=adcx22(right,i,1)
333     adc_c(ch22b(i),hb22b(i))=tof22(right,i,iadc)/xkorr
334     endif
335     ENDIF
336    
337     C-----------------------------S3 --------------------------------
338    
339     yhelp=yout(5)
340     IF (tof31_i.GT.none_find.AND.yhelp.lt.100) THEN
341    
342     i = tof31_i
343     tof31(left,i,iadc) = tof31(left,i,iadc)*cos(theta13)
344     if (tof31(left,i,iadc).lt.1000) then
345     xkorr=adcx31(left,i,1)*exp(-yhelp/adcx31(left,i,2))
346     xkorr0=adcx31(left,i,1)
347     adc_c(ch31a(i),hb31a(i))=tof31(left,i,iadc)/xkorr
348     endif
349    
350     tof31(right,i,iadc) = tof31(right,i,iadc)*cos(theta13)
351     if (tof31(right,i,iadc).lt.1000) then
352     xkorr=adcx31(right,i,1)*exp(yhelp/adcx31(right,i,2))
353     xkorr0=adcx31(right,i,1)
354     adc_c(ch31b(i),hb31b(i))=tof31(right,i,iadc)/xkorr
355     endif
356     ENDIF
357    
358     xhelp=xout(6)
359     IF (tof32_i.GT.none_find.AND.xhelp.lt.100) THEN
360    
361     i = tof32_i
362     tof32(left,i,iadc) = tof32(left,i,iadc)*cos(theta13)
363     if (tof32(left,i,iadc).lt.1000) then
364     xkorr=adcx32(left,i,1)*exp(-xhelp/adcx32(left,i,2))
365     xkorr0=adcx32(left,i,1)
366     adc_c(ch32a(i),hb32a(i))=tof32(left,i,iadc)/xkorr
367     endif
368    
369     tof32(right,i,iadc) = tof32(right,i,iadc)*cos(theta13)
370     if (tof32(right,i,iadc).lt.1000) then
371     xkorr=adcx32(right,i,1)*exp(xhelp/adcx32(right,i,2))
372     xkorr0=adcx32(right,i,1)
373     adc_c(ch32b(i),hb32b(i))=tof32(right,i,iadc)/xkorr
374     endif
375     ENDIF
376    
377     C-----------------------------------------------------------------------
378     C----------------------calculate Beta ------------------------------
379     C-----------------------------------------------------------------------
380     C-------------------difference of sums ---------------------------
381     C
382     C DS = (t1+t2) - t3+t4)
383     C DS = c1 + c2/beta*cos(theta)
384     C c2 = 2d/c gives c2 = 2d/(c*TDCresolution) TDC=50ps/channel
385     C => c2 = ca.60 for 0.45 m c2 = ca.109 for 0.81 m
386     C since TDC resolution varies slightly c2 has to be calibrated
387    
388     C S11 - S31
389     IF (tof11_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
390     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
391     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
392     ds = xhelp1-xhelp2
393     ihelp=(tof11_i-1)*3+tof31_i
394     c1 = k_S11S31(1,ihelp)
395     c2 = k_S11S31(2,ihelp)
396     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
397     & beta_a(1) = c2/(cos(theta13)*(ds-c1))
398     ENDIF
399    
400     C S11 - S32
401     IF (tof11_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
402     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
403     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
404     ds = xhelp1-xhelp2
405     ihelp=(tof11_i-1)*3+tof32_i
406     c1 = k_S11S32(1,ihelp)
407     c2 = k_S11S32(2,ihelp)
408     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
409     & beta_a(2) = c2/(cos(theta13)*(ds-c1))
410     ENDIF
411    
412     C S12 - S31
413     IF (tof12_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
414     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
415     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
416     ds = xhelp1-xhelp2
417     ihelp=(tof12_i-1)*3+tof31_i
418     c1 = k_S12S31(1,ihelp)
419     c2 = k_S12S31(2,ihelp)
420     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
421     & beta_a(3) = c2/(cos(theta13)*(ds-c1))
422     ENDIF
423    
424     C S12 - S32
425     IF (tof12_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
426     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
427     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
428     ds = xhelp1-xhelp2
429     ihelp=(tof12_i-1)*3+tof32_i
430     c1 = k_S12S32(1,ihelp)
431     c2 = k_S12S32(2,ihelp)
432     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
433     & beta_a(4) = c2/(cos(theta13)*(ds-c1))
434     ENDIF
435    
436     C S21 - S31
437     IF (tof21_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
438     xhelp1 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
439     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
440     ds = xhelp1-xhelp2
441     ihelp=(tof21_i-1)*3+tof31_i
442     c1 = k_S21S31(1,ihelp)
443     c2 = k_S21S31(2,ihelp)
444     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
445     & beta_a(5) = c2/(cos(theta23)*(ds-c1))
446     ENDIF
447    
448     C S21 - S32
449     IF (tof21_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
450     xhelp1 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
451     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
452     ds = xhelp1-xhelp2
453     ihelp=(tof21_i-1)*3+tof32_i
454     c1 = k_S21S32(1,ihelp)
455     c2 = k_S21S32(2,ihelp)
456     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
457     & beta_a(6) = c2/(cos(theta23)*(ds-c1))
458     ENDIF
459    
460     C S22 - S31
461     IF (tof22_i.GT.none_find.AND.tof31_i.GT.none_find) THEN
462     xhelp1 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
463     xhelp2 = tof31(1,tof31_i,itdc)+tof31(2,tof31_i,itdc)
464     ds = xhelp1-xhelp2
465     ihelp=(tof22_i-1)*3+tof31_i
466     c1 = k_S22S31(1,ihelp)
467     c2 = k_S22S31(2,ihelp)
468     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
469     & beta_a(7) = c2/(cos(theta13)*(ds-c1))
470     ENDIF
471    
472     C S22 - S32
473     IF (tof22_i.GT.none_find.AND.tof32_i.GT.none_find) THEN
474     xhelp1 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
475     xhelp2 = tof32(1,tof32_i,itdc)+tof32(2,tof32_i,itdc)
476     ds = xhelp1-xhelp2
477     ihelp=(tof22_i-1)*3+tof32_i
478     c1 = k_S22S32(1,ihelp)
479     c2 = k_S22S32(2,ihelp)
480     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
481     & beta_a(8) = c2/(cos(theta13)*(ds-c1))
482     ENDIF
483    
484     C S11 - S21
485     IF (tof11_i.GT.none_find.AND.tof21_i.GT.none_find) THEN
486     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
487     xhelp2 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
488     ds = xhelp1-xhelp2
489     ihelp=(tof11_i-1)*2+tof21_i
490     c1 = k_S11S21(1,ihelp)
491     c2 = k_S11S21(2,ihelp)
492     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
493     & beta_a(9) = c2/(cos(theta12)*(ds-c1))
494     ENDIF
495    
496     C S11 - S22
497     IF (tof11_i.GT.none_find.AND.tof22_i.GT.none_find) THEN
498     xhelp1 = tof11(1,tof11_i,itdc)+tof11(2,tof11_i,itdc)
499     xhelp2 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
500     ds = xhelp1-xhelp2
501     ihelp=(tof11_i-1)*2+tof22_i
502     c1 = k_S11S22(1,ihelp)
503     c2 = k_S11S22(2,ihelp)
504     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
505     & beta_a(10) = c2/(cos(theta12)*(ds-c1))
506     ENDIF
507    
508     C S12 - S21
509     IF (tof12_i.GT.none_find.AND.tof21_i.GT.none_find) THEN
510     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
511     xhelp2 = tof21(1,tof21_i,itdc)+tof21(2,tof21_i,itdc)
512     ds = xhelp1-xhelp2
513     ihelp=(tof12_i-1)*2+tof21_i
514     c1 = k_S12S21(1,ihelp)
515     c2 = k_S12S21(2,ihelp)
516     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
517     & beta_a(11) = c2/(cos(theta12)*(ds-c1))
518     ENDIF
519    
520     C S12 - S22
521     IF (tof12_i.GT.none_find.AND.tof22_i.GT.none_find) THEN
522     xhelp1 = tof12(1,tof12_i,itdc)+tof12(2,tof12_i,itdc)
523     xhelp2 = tof22(1,tof22_i,itdc)+tof22(2,tof22_i,itdc)
524     ds = xhelp1-xhelp2
525     ihelp=(tof12_i-1)*2+tof22_i
526     c1 = k_S12S22(1,ihelp)
527     c2 = k_S12S22(2,ihelp)
528     if ((xhelp1.lt.8000.).and.(xhelp2.lt.8000))
529     & beta_a(12) = c2/(cos(theta12)*(ds-c1))
530     ENDIF
531    
532     C-------
533    
534     icount=0
535     sw=0.
536     sxw=0.
537     beta_mean=100.
538    
539     do i=1,12
540     if ((beta_a(i).gt.-1.5).and.(beta_a(i).lt.1.5)) then
541     icount= icount+1
542     if (i.le.4) w_i=1./(0.13**2.)
543     if ((i.ge.5).and.(i.le.8)) w_i=1./(0.16**2.)
544     if (i.ge.9) w_i=1./(0.25**2.) ! to be checked
545     sxw=sxw + beta_a(i)*w_i
546     sw =sw + w_i
547     endif
548     enddo
549    
550     if (icount.gt.0) beta_mean=sxw/sw
551     beta_a(13) = beta_mean
552    
553     RETURN
554     END
555    
556    

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