-
Notifications
You must be signed in to change notification settings - Fork 1
/
MomCorr.C
executable file
·417 lines (296 loc) · 11.7 KB
/
MomCorr.C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
#include "GetSector.C" // line added by NH
#define NSect 6
/* Theta Binning for Theta correction */
#define ThetaC_n 144
Double_t ThetaC_min = 0;
Double_t ThetaC_max = 144;
Double_t ThetaC_wid = 1.;
/* Theta Binning for Momentum correction */
#define MomC_T_n 48
Double_t MomC_T_min = 1;
Double_t MomC_T_max = 145;
Double_t MomC_T_wid = 3.;
/* Size of Vectors with parameters for phi dependence of Momentum Correction
phi between -30 and 30 deg */
#define Npar 4
/* CLASS DEFINITION */
class MomCorr_e1f {
public:
MomCorr_e1f();
private:
/* Vectors with parameters for phi dependence of Theta Correction
phi between -30 and 30 deg */
Double_t c0_theta[ThetaC_n][NSect];
Double_t c1_theta[ThetaC_n][NSect];
Double_t c2_theta[ThetaC_n][NSect];
/* Vectors with parameters for phi dependence of Electron Momentum Correction
phi between -30 and 30 deg */
Double_t c0_mom[MomC_T_n][NSect][Npar];
Double_t c1_mom[MomC_T_n][NSect][Npar];
/* Vectors with parameters for phi dependence of pi+ Momentum Correction
phi between -30 and 30 deg */
Double_t d0_mom[MomC_T_n][NSect][Npar];
Double_t d1_mom[MomC_T_n][NSect][Npar];
/* REad angle correction parameters */
void read_theta_par();
/* Read momentum correction parameters for electrons */
void read_mom_par();
/* Read momentum correction parameters for pi+ */
void read_mom_pip_par();
/* Angle correction */
Double_t theta_corr(Double_t , Double_t , Int_t );
/* momentum correction for electrons */
Double_t mom_corr(Double_t , Double_t , Double_t , Int_t );
/* momentum correction for hadrons */
Double_t mom_corr_pip(Double_t , Double_t , Double_t , Int_t);
public:
TLorentzVector PcorN(TLorentzVector Pin, Int_t charge, Int_t ipart);
};
/********************************************/
/* Class Constructor */
MomCorr_e1f::MomCorr_e1f() {
/* Reading angle correction parameters */
fprintf(stdout, "reading parameters \n");
read_theta_par();
read_mom_par();
read_mom_pip_par();
}
/**********************************************/
/* CLASS METHODES */
void MomCorr_e1f::read_theta_par() {
/* Reading angle correction parameters */
memset(&c0_theta[0][0], 0, ThetaC_n*NSect*sizeof(Double_t));
memset(&c1_theta[0][0], 0, ThetaC_n*NSect*sizeof(Double_t));
memset(&c2_theta[0][0], 0, ThetaC_n*NSect*sizeof(Double_t));
char file[100];
for (Int_t s=1; s<=NSect; s++) {
sprintf(file, "angles_s%d.out", s);
FILE *fp = fopen(&file[0], "r");
if (fp) {
fprintf(stdout, "Theta Correction sector %d\n", s);
for (Int_t j=0; j<ThetaC_n; j++) {
Double_t x, y;
Double_t a1,a2,a3;
char str[200];
while (fgets(str, sizeof(str), fp)) {
sscanf(str, "%lf %lf %lf %lf %lf %lf %lf", &x, &a1, &y, &a2, &y, &a3, &y);
Int_t bin = (x-ThetaC_min)/ThetaC_wid;
c0_theta[bin][s-1] = a1;
c1_theta[bin][s-1] = a2;
c2_theta[bin][s-1] = a3;
fprintf(stdout, "%6.2f %12.8f %12.8f %12.8f \n", x, c0_theta[bin][s-1], c1_theta[bin][s-1], c2_theta[bin][s-1]);
}
}
fclose(fp);
}
else
fprintf(stdout, "===>>> WARNING: Cannot read angle correction from file: %s\n", file);
}
}
void MomCorr_e1f::read_mom_par() {
/* Reading momentum correction parameters for electrons */
memset(&c0_mom[0][0][0], 0, MomC_T_n*NSect*Npar*sizeof(Double_t));
memset(&c1_mom[0][0][0], 0, MomC_T_n*NSect*Npar*sizeof(Double_t));
char file[100];
for (Int_t s=1; s<=NSect; s++) {
fprintf(stdout, "-------------------------------------- \n");
fprintf(stdout, "electron Momentum Correction sector %d\n", s);
for (Int_t k=0; k<2; k++) {
sprintf(file, "momentum2_s%d_c%d.out", s, k);
FILE *fp = fopen(&file[0], "r");
if (fp) {
fprintf(stdout, " Reading Parameter c%d\n", k);
for (Int_t j=0; j<MomC_T_n; j++) {
Double_t x1, y;
Double_t a1,a2,a3,a4;
char str[250];
while (fgets(str, sizeof(str), fp)) {
sscanf(str, "%lf %lf %lf %lf %lf %lf %lf %lf %lf", &x1, &a1, &y, &a2, &y, &a3, &y, &a4, &y);
Int_t bin = (x1-MomC_T_min)/MomC_T_wid;
if (k==0) {
c0_mom[bin][s-1][0] = a1;
c0_mom[bin][s-1][1] = a2;
c0_mom[bin][s-1][2] = a3;
c0_mom[bin][s-1][3] = a4;
fprintf(stdout, "%6.2f %12.8f %12.8f %12.8f %12.8f \n", x1, c0_mom[bin][s-1][0], c0_mom[bin][s-1][1], c0_mom[bin][s-1][2], c0_mom[bin][s-1][3]);
}
else if (k==1) {
c1_mom[bin][s-1][0] = a1;
c1_mom[bin][s-1][1] = a2;
c1_mom[bin][s-1][2] = a3;
c1_mom[bin][s-1][3] = a4;
fprintf(stdout, "%6.2f %12.8f %12.8f %12.8f %12.8f \n", x1, c1_mom[bin][s-1][0], c1_mom[bin][s-1][1], c1_mom[bin][s-1][2], c1_mom[bin][s-1][3]);
}
}
}
fclose(fp);
}
else
fprintf(stdout, "===>>> WARNING: Cannot read electron momentum correction from file: %s\n", file);
}
}
}
void MomCorr_e1f::read_mom_pip_par() {
/* Reading momentum correction parameters for pi+ */
memset(&d0_mom[0][0][0], 0, MomC_T_n*NSect*Npar*sizeof(Double_t));
memset(&d1_mom[0][0][0], 0, MomC_T_n*NSect*Npar*sizeof(Double_t));
char file[100];
for (Int_t s=1; s<=NSect; s++) {
fprintf(stdout, "-------------------------------------- \n");
fprintf(stdout, "pi+ Momentum Correction sector %d\n", s);
for (Int_t k=0; k<2; k++) {
sprintf(file, "momentum3_s%d_c%d.out", s, k);
FILE *fp = fopen(&file[0], "r");
if (fp) {
fprintf(stdout, " Reading Parameter d%d\n", k);
for (Int_t j=0; j<MomC_T_n; j++) {
Double_t x1, y;
Double_t a1,a2,a3;
char str[250];
while (fgets(str, sizeof(str), fp)) {
sscanf(str, "%lf %lf %lf %lf %lf %lf %lf %lf %lf", &x1, &a1, &y, &a2, &y, &a3, &y);
Int_t bin = (x1-MomC_T_min)/MomC_T_wid;
if (k==0) {
d0_mom[bin][s-1][0] = a1;
d0_mom[bin][s-1][1] = a2;
d0_mom[bin][s-1][2] = a3;
fprintf(stdout, "%6.2f %12.8f %12.8f %12.8f %12.8f \n", x1, d0_mom[bin][s-1][0], d0_mom[bin][s-1][1], d0_mom[bin][s-1][2], d0_mom[bin][s-1][3]);
}
else if (k==1) {
d1_mom[bin][s-1][0] = a1;
d1_mom[bin][s-1][1] = a2;
d1_mom[bin][s-1][2] = a3;
fprintf(stdout, "%6.2f %12.8f %12.8f %12.8f %12.8f \n", x1, d1_mom[bin][s-1][0], d1_mom[bin][s-1][1], d1_mom[bin][s-1][2], d1_mom[bin][s-1][3]);
}
}
}
fclose(fp);
}
else
fprintf(stdout, "===>>> WARNING: Cannot read pi+ momentum correction from file: %s\n", file);
}
}
}
/* ================================================================= */
Double_t MomCorr_e1f::theta_corr(Double_t ThetaM, Double_t PhiM, Int_t Sector) {
/* input: phi between 0 and 360 deg */
Double_t phis = PhiM - 60*(Sector-1);
if (phis > 330.) phis = phis - 360;
Int_t bin = (ThetaM - ThetaC_min)/ThetaC_wid;
Double_t ThetaBin = ThetaC_min + ThetaC_wid * (bin+0.5);
Int_t bin2 = bin + 1;
if (ThetaM < ThetaBin) bin2 = bin - 1;
if (bin2 < 0) bin2 = 0;
if (bin2 >= ThetaC_n) bin2 = ThetaC_n - 1;
Double_t ThetaBin2 = ThetaC_min + ThetaC_wid * (bin2+0.5);
//fprintf(stdout, " ----------- \n");
//fprintf(stdout, "T=%lf Tb1=%lf Tb2=%lf b1=%d b2=%d\n", ThetaM, ThetaBin, ThetaBin2, bin, bin2);
//fprintf(stdout, "S=%d th=%f bin=%d c0=%lf \n", Sector, ThetaM, bin, c0_theta[bin][Sector-1]);
Double_t ThetaC = ThetaM - (c0_theta[bin][Sector-1] + c1_theta[bin][Sector-1]*phis + c2_theta[bin][Sector-1]*phis*phis);
Double_t ThetaC2 = ThetaM - (c0_theta[bin2][Sector-1] + c1_theta[bin2][Sector-1]*phis + c2_theta[bin2][Sector-1]*phis*phis);
Double_t fw = TMath::Abs(ThetaM - ThetaBin) / ThetaC_wid;
Double_t fw2 = 1. - fw;
Double_t Theta = fw2*ThetaC + fw*ThetaC2;
//fprintf(stdout, " d1=%lf w1=%lf d2=%lf w2=%lf dm=%lf\n", ThetaC, fw, ThetaC2, fw2, Theta);
return Theta;
}
Double_t MomCorr_e1f::mom_corr(Double_t MomM, Double_t ThetaM, Double_t PhiM, Int_t Sector)
{
//fprintf(stdout, " ----------- \n");
/* input: phi between 0 and 360 deg */
Double_t phis = PhiM - 60*(Sector-1);
if (phis > 330.) phis = phis - 360;
Int_t bin = (ThetaM - MomC_T_min)/MomC_T_wid;
Double_t ThetaBin = MomC_T_min + MomC_T_wid*(bin+0.5);
Double_t fw = TMath::Abs(ThetaM - ThetaBin) / MomC_T_wid;
Double_t A0 = 0.;
Double_t A1 = 0.;
for (Int_t j=0; j<Npar; j++) {
A0 = A0 + c0_mom[bin][Sector-1][j] *TMath::Power(MomM, j);
A1 = A1 + c1_mom[bin][Sector-1][j] *TMath::Power(MomM, j);
}
Double_t MomC = MomM - (A0 + A1 * phis);
Int_t bin2 = bin + 1;
if (ThetaM < ThetaBin) bin2 = bin - 1;
if (bin2 < 0) bin2 = 0;
if (bin2 >= MomC_T_n) bin2 = MomC_T_n - 1;
Double_t ThetaBin2 = MomC_T_min + MomC_T_wid*(bin2+0.5);
Double_t fw2 = 1. - fw;
A0 = A1 = 0.;
for (Int_t j=0; j<Npar; j++) {
A0 = A0 + c0_mom[bin2][Sector-1][j] *TMath::Power(MomM, j);
A1 = A1 + c1_mom[bin2][Sector-1][j] *TMath::Power(MomM, j);
}
Double_t MomC2 = MomM - (A0 + A1 * phis);
Double_t Mom = fw2*MomC + fw*MomC2;
//fprintf(stdout, "T=%lf Tb1=%lf Tb2=%lf b1=%d b2=%d\n", ThetaM, ThetaBin, ThetaBin2, bin, bin2);
//fprintf(stdout, "P=%lf d1=%lf w1=%lf d2=%lf w2=%lf dm=%lf\n", MomM, MomC, fw, MomC2, fw2, Mom);
return Mom;
}
Double_t MomCorr_e1f::mom_corr_pip(Double_t MomM, Double_t ThetaM, Double_t PhiM, Int_t Sector)
{
/* input: phi between 0 and 360 deg */
Double_t phis = PhiM - 60*(Sector-1);
if (phis > 330.) phis = phis - 360;
Int_t bin = (ThetaM - MomC_T_min)/MomC_T_wid;
Double_t ThetaBin = MomC_T_min + MomC_T_wid*(bin+0.5);
Double_t fw = TMath::Abs(ThetaM - ThetaBin) / MomC_T_wid;
Double_t A0 = 0.;
Double_t A1 = 0.;
for (Int_t j=0; j<Npar; j++) {
A0 = A0 + d0_mom[bin][Sector-1][j] *TMath::Power(MomM, j);
A1 = A1 + d1_mom[bin][Sector-1][j] *TMath::Power(MomM, j);
}
Double_t MomC = MomM - (A0 + A1 * phis);
Int_t bin2 = bin + 1;
if (ThetaM < ThetaBin) bin2 = bin - 1;
if (bin2 < 0) bin2 = 0;
if (bin2 >= MomC_T_n) bin2 = MomC_T_n - 1;
Double_t ThetaBin2 = MomC_T_min + MomC_T_wid*(bin2+0.5);
Double_t fw2 = 1. - fw;
A0 = A1 = 0.;
for (Int_t j=0; j<Npar; j++) {
A0 = A0 + d0_mom[bin2][Sector-1][j] *TMath::Power(MomM, j);
A1 = A1 + d1_mom[bin2][Sector-1][j] *TMath::Power(MomM, j);
}
Double_t MomC2 = MomM - (A0 + A1 * phis);
Double_t Mom = fw2*MomC + fw*MomC2;
//fprintf(stdout, " ----------- \n");
//fprintf(stdout, "T=%lf Tb1=%lf Tb2=%lf b1=%d b2=%d\n", ThetaM, ThetaBin, ThetaBin2, bin, bin2);
//fprintf(stdout, "P=%lf d1=%lf w1=%lf d2=%lf w2=%lf dm=%lf\n", MomM, MomC, fw, MomC2, fw2, Mom);
return Mom;
}
/* ================================================================= */
TLorentzVector MomCorr_e1f::PcorN(TLorentzVector Pin, Int_t charge, Int_t ipart) {
TLorentzVector Pc;
Double_t mass = Pin.M();
Double_t theta = Pin.Theta() * 180./TMath::Pi();
Double_t phi = Pin.Phi() * 180./TMath::Pi();
if (phi < 0) phi = phi + 360.;
Int_t sect = GetSector(phi);
Double_t theta_c = theta_corr(theta, phi, sect);
Double_t mom_c = Pin.P();
if (ipart == 11) {/* ELETTRONE */
mom_c = mom_corr(Pin.P(), theta, phi, sect);
}
else if (ipart == -211) {/* PI- */
mom_c = mom_corr(Pin.P(), theta, phi, sect);
}
else if (ipart == -321) {/* K- */
mom_c = mom_corr(Pin.P(), theta, phi, sect);
}
else if (ipart == 211) {/* PI+ */
mom_c = mom_corr_pip(Pin.P(), theta, phi, sect);
}
else if (ipart == 2212) {/* PROTONE */
mom_c = mom_corr_pip(Pin.P(), theta, phi, sect);
}
else if (ipart == 321) {/* K+ */
mom_c = mom_corr_pip(Pin.P(), theta, phi, sect);
}
Double_t px = mom_c * TMath::Sin(theta_c*TMath::Pi()/180.) * TMath::Cos(Pin.Phi());
Double_t py = mom_c * TMath::Sin(theta_c*TMath::Pi()/180.) * TMath::Sin(Pin.Phi());
Double_t pz = mom_c * TMath::Cos(theta_c*TMath::Pi()/180.);
Pc.SetXYZM(px, py, pz, mass);
return Pc;
}