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VtxSmearedParameters_cfi.py
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1 import FWCore.ParameterSet.Config as cms
2 
3 #
4 # All units are cm and radians
5 #
6 # UNITS:
7 #
8 # TimeOffset in nanoseconds
9 # spacial displacement in cm
10 
11 # common parameters
12 VtxSmearedCommon = cms.PSet(
13  src = cms.InputTag("generator", "unsmeared"),
14  readDB = cms.bool(False)
15 )
16 # Gaussian smearing
17 GaussVtxSmearingParameters = cms.PSet(
18  MeanX = cms.double(0.0),
19  MeanY = cms.double(0.0),
20  MeanZ = cms.double(0.0),
21  SigmaY = cms.double(0.0015),
22  SigmaX = cms.double(0.0015),
23  SigmaZ = cms.double(5.3),
24  TimeOffset = cms.double(0.0)
25 )
26 # Flat Smearing
27 FlatVtxSmearingParameters = cms.PSet(
28  MaxZ = cms.double(5.3),
29  MaxX = cms.double(0.0015),
30  MaxY = cms.double(0.0015),
31  MinX = cms.double(-0.0015),
32  MinY = cms.double(-0.0015),
33  MinZ = cms.double(-5.3),
34  TimeOffset = cms.double(0.0)
35 )
36 #############################################
37 # Beta functions smearing (pp 7+7 TeV)
38 #
39 # Values taken from LHC optics simulation V6.5:
40 # see http://proj-lhc-optics-web.web.cern.ch/proj-lhc-optics-web/V6.500/IR5.html
41 # alpha = angle of the crossing plane 0 degrees means XZ plane
42 # phi = half-crossing beam angle
43 #
44 # Emittance is the no normalized emittance in cm = normalized emittance/gamma (beta=1)
45 #
46 # length variables are in cm
47 #
48 
49 # 900 GeV collisions, transverse beam size = 293 microns
50 Early900GeVCollisionVtxSmearingParameters = cms.PSet(
51  Phi = cms.double(0.0),
52  BetaStar = cms.double(1100.0),
53  Emittance = cms.double(1.564e-06),
54  Alpha = cms.double(0.0),
55  SigmaZ = cms.double(7.4),
56  TimeOffset = cms.double(0.0),
57  Y0 = cms.double(0.0),
58  X0 = cms.double(0.0322),
59  Z0 = cms.double(0.0)
60 )
61 # 2.2 TeV collisions, transverse beam size 188 microns
62 Early2p2TeVCollisionVtxSmearingParameters = cms.PSet(
63  Phi = cms.double(0.0),
64  BetaStar = cms.double(1100.0),
65  Emittance = cms.double(6.4e-07),
66  Alpha = cms.double(0.0),
67  SigmaZ = cms.double(5.5),
68  TimeOffset = cms.double(0.0),
69  Y0 = cms.double(0.0),
70  X0 = cms.double(0.0322),
71  Z0 = cms.double(0.0)
72 )
73 # 7 TeV collisions, transverse beam size with betastar= 11m is 105 microns,
74 Early7TeVCollisionVtxSmearingParameters = cms.PSet(
75  Phi = cms.double(0.0),
76  BetaStar = cms.double(1100.0),
77  Emittance = cms.double(2.0e-07),
78  Alpha = cms.double(0.0),
79  SigmaZ = cms.double(4.2),
80  TimeOffset = cms.double(0.0),
81  Y0 = cms.double(0.0),
82  X0 = cms.double(0.0322),
83  Z0 = cms.double(0.0)
84 )
85 # 7 TeV collisions, transverse beam size with betastar= 2m is 45 microns,
86 Nominal7TeVCollisionVtxSmearingParameters = cms.PSet(
87  Phi = cms.double(0.0),
88  BetaStar = cms.double(200.0),
89  Emittance = cms.double(2.0e-07),
90  Alpha = cms.double(0.0),
91  SigmaZ = cms.double(4.2),
92  TimeOffset = cms.double(0.0),
93  Y0 = cms.double(0.0),
94  X0 = cms.double(0.0322),
95  Z0 = cms.double(0.0)
96 )
97 # 900 GeV realistic 2010 collisions, transverse beam size is 200 microns
98 Realistic900GeVCollisionVtxSmearingParameters = cms.PSet(
99  Phi = cms.double(0.0),
100  BetaStar = cms.double(1000.0),
101  Emittance = cms.double(8.34e-07),
102  Alpha = cms.double(0.0),
103  SigmaZ = cms.double(6.17),
104  TimeOffset = cms.double(0.0),
105  X0 = cms.double(0.2452),
106  Y0 = cms.double(0.3993),
107  Z0 = cms.double(0.8222)
108 )
109 # 7 TeV realistic collisions, beamspot width ~28 microns - appropriate for 2nd half of Commissioning10
110 Realistic7TeVCollisionComm10VtxSmearingParameters = cms.PSet(
111  Phi = cms.double(0.0),
112  BetaStar = cms.double(200.0),
113  Emittance = cms.double(0.804e-07),
114  Alpha = cms.double(0.0),
115  SigmaZ = cms.double(3.50),
116  TimeOffset = cms.double(0.0),
117  X0 = cms.double(0.2440),
118  Y0 = cms.double(0.3929),
119  Z0 = cms.double(0.4145)
120 )
121 # 7 TeV realistic collisions, beamspot width ~43 microns - appropriate for 2010A
122 Realistic7TeVCollisionVtxSmearingParameters = cms.PSet(
123  Phi = cms.double(0.0),
124  BetaStar = cms.double(350.0),
125  Emittance = cms.double(1.072e-07),
126  Alpha = cms.double(0.0),
127  SigmaZ = cms.double(6.26),
128  TimeOffset = cms.double(0.0),
129  X0 = cms.double(0.2440),
130  Y0 = cms.double(0.3929),
131  Z0 = cms.double(0.4145)
132 )
133 # 7 TeV realistic collisions, beamspot width ~38 microns - appropriate for 2010B
134 Realistic7TeVCollision2010BVtxSmearingParameters = cms.PSet(
135  Phi = cms.double(0.0),
136  BetaStar = cms.double(350.0),
137  Emittance = cms.double(0.804e-07),
138  Alpha = cms.double(0.0),
139  SigmaZ = cms.double(5.40),
140  TimeOffset = cms.double(0.0),
141  X0 = cms.double(0.2440),
142  Y0 = cms.double(0.3929),
143  Z0 = cms.double(0.4145)
144 )
145 # 7 TeV realistic collisions, updated for 2011
146 # normalized emittance 2.5 microns, transverse beam size is 32 microns
147 Realistic7TeV2011CollisionVtxSmearingParameters = cms.PSet(
148  Phi = cms.double(0.0),
149  BetaStar = cms.double(150.0),
150  Emittance = cms.double(0.67e-07),
151  Alpha = cms.double(0.0),
152  SigmaZ = cms.double(5.22),
153  TimeOffset = cms.double(0.0),
154  X0 = cms.double(0.2440),
155  Y0 = cms.double(0.3929),
156  Z0 = cms.double(0.4145)
157 )
158 # HI realistic collisions, updated for 2011
159 # estimated beamspot width 31-35 microns
160 RealisticHI2011CollisionVtxSmearingParameters = cms.PSet(
161  Phi = cms.double(0.0),
162  BetaStar = cms.double(100.0),
163  Emittance = cms.double(2.04e-07),
164  Alpha = cms.double(0.0),
165  SigmaZ = cms.double(7.06),
166  TimeOffset = cms.double(0.0),
167  X0 = cms.double(0.2245),
168  Y0 = cms.double(0.4182),
169  Z0 = cms.double(0.0847)
170 )
171 # 2.76 TeV estimated collisions, 11m beta*
172 # normalized emittance 2.5 microns, transverse beam size is 140 microns
173 Realistic2p76TeV2011CollisionVtxSmearingParameters = cms.PSet(
174  Phi = cms.double(0.0),
175  BetaStar = cms.double(1100.0),
176  Emittance = cms.double(1.70e-07),
177  Alpha = cms.double(0.0),
178  SigmaZ = cms.double(5.22),
179  TimeOffset = cms.double(0.0),
180  X0 = cms.double(0.2440),
181  Y0 = cms.double(0.3929),
182  Z0 = cms.double(0.4145)
183 )
184 # 2.76 TeV estimated collisions for 2013, 11m beta*
185 # sigmaZ set to 8 cm
186 Realistic2p76TeV2013CollisionVtxSmearingParameters = cms.PSet(
187  Phi = cms.double(0.0),
188  BetaStar = cms.double(1100.0),
189  Emittance = cms.double(1.70e-07),
190  Alpha = cms.double(0.0),
191  SigmaZ = cms.double(8.0),
192  TimeOffset = cms.double(0.0),
193  X0 = cms.double(0.2440),
194  Y0 = cms.double(0.3929),
195  Z0 = cms.double(0.4145)
196 )
197 # HI realistic pPb collisions, updated for 2013
198 #
199 RealisticHIpPb2013CollisionVtxSmearingParameters = cms.PSet(
200  Phi = cms.double(0.0),
201  BetaStar = cms.double(80.0),
202  Emittance = cms.double(6.25e-07),
203  Alpha = cms.double(0.0),
204  SigmaZ = cms.double(8.0),
205  TimeOffset = cms.double(0.0),
206  X0 = cms.double(0.2440),
207  Y0 = cms.double(0.3929),
208  Z0 = cms.double(0.4145)
209 )
210 # 7 TeV centered collisions with parameters for 2011
211 # normalized emittance 2.5 microns, transverse beam size is 32 microns
212 Centered7TeV2011CollisionVtxSmearingParameters = cms.PSet(
213  Phi = cms.double(0.0),
214  BetaStar = cms.double(150.0),
215  Emittance = cms.double(0.67e-07),
216  Alpha = cms.double(0.0),
217  SigmaZ = cms.double(5.22),
218  TimeOffset = cms.double(0.0),
219  X0 = cms.double(0.0),
220  Y0 = cms.double(0.0),
221  Z0 = cms.double(0.0)
222 )
223 # 8 TeV realistic collisions, transverse beam width size is 20 microns
224 Realistic8TeVCollisionVtxSmearingParameters = cms.PSet(
225  Phi = cms.double(0.0),
226  BetaStar = cms.double(70.0),
227  Emittance = cms.double(0.586e-07),
228  Alpha = cms.double(0.0),
229  SigmaZ = cms.double(6.16),
230  TimeOffset = cms.double(0.0),
231  X0 = cms.double(0.2440),
232  Y0 = cms.double(0.3929),
233  Z0 = cms.double(0.4145)
234 )
235 # 8 TeV realistic collisions, transverse beam width size is 20 microns, updated for observed SigmaZ
236 Realistic8TeV2012CollisionVtxSmearingParameters = cms.PSet(
237  Phi = cms.double(0.0),
238  BetaStar = cms.double(70.0),
239  Emittance = cms.double(0.586e-07),
240  Alpha = cms.double(0.0),
241  SigmaZ = cms.double(4.8),
242  TimeOffset = cms.double(0.0),
243  X0 = cms.double(0.2440),
244  Y0 = cms.double(0.3929),
245  Z0 = cms.double(0.4145)
246 )
247 # 10 TeV collisions, transverse beam size = 46 microns
248 Early10TeVCollisionVtxSmearingParameters = cms.PSet(
249  Phi = cms.double(0.0),
250  BetaStar = cms.double(300.0),
251  Emittance = cms.double(1.406e-07),
252  Alpha = cms.double(0.0),
253  SigmaZ = cms.double(3.8),
254  TimeOffset = cms.double(0.0),
255  Y0 = cms.double(0.0),
256  X0 = cms.double(0.0322),
257  Z0 = cms.double(0.0)
258 )
259 # Test offset
260 Early10TeVX322Y100VtxSmearingParameters = cms.PSet(
261  Phi = cms.double(0.0),
262  BetaStar = cms.double(300.0),
263  Emittance = cms.double(1.406e-07),
264  Alpha = cms.double(0.0),
265  SigmaZ = cms.double(3.8),
266  TimeOffset = cms.double(0.0),
267  Y0 = cms.double(0.0100),
268  X0 = cms.double(0.0322),
269  Z0 = cms.double(0.0)
270 )
271 # Test offset
272 Early10TeVX322Y250VtxSmearingParameters = cms.PSet(
273  Phi = cms.double(0.0),
274  BetaStar = cms.double(300.0),
275  Emittance = cms.double(1.406e-07),
276  Alpha = cms.double(0.0),
277  SigmaZ = cms.double(3.8),
278  TimeOffset = cms.double(0.0),
279  Y0 = cms.double(0.0250),
280  X0 = cms.double(0.0322),
281  Z0 = cms.double(0.0)
282 )
283 # Test offset
284 Early10TeVX322Y500VtxSmearingParameters = cms.PSet(
285  Phi = cms.double(0.0),
286  BetaStar = cms.double(300.0),
287  Emittance = cms.double(1.406e-07),
288  Alpha = cms.double(0.0),
289  SigmaZ = cms.double(3.8),
290  TimeOffset = cms.double(0.0),
291  Y0 = cms.double(0.0500),
292  X0 = cms.double(0.0322),
293  Z0 = cms.double(0.0)
294 )
295 # Test offset
296 Early10TeVX322Y1000VtxSmearingParameters = cms.PSet(
297  Phi = cms.double(0.0),
298  BetaStar = cms.double(300.0),
299  Emittance = cms.double(1.406e-07),
300  Alpha = cms.double(0.0),
301  SigmaZ = cms.double(3.8),
302  TimeOffset = cms.double(0.0),
303  Y0 = cms.double(0.1),
304  X0 = cms.double(0.0322),
305  Z0 = cms.double(0.0)
306 )
307 # Test offset
308 Early10TeVX322Y5000VtxSmearingParameters = cms.PSet(
309  Phi = cms.double(0.0),
310  BetaStar = cms.double(300.0),
311  Emittance = cms.double(1.406e-07),
312  Alpha = cms.double(0.0),
313  SigmaZ = cms.double(3.8),
314  TimeOffset = cms.double(0.0),
315  Y0 = cms.double(0.5),
316  X0 = cms.double(0.0322),
317  Z0 = cms.double(0.0)
318 )
319 # Test offset
320 Early10TeVX322Y10000VtxSmearingParameters = cms.PSet(
321  Phi = cms.double(0.0),
322  BetaStar = cms.double(300.0),
323  Emittance = cms.double(1.406e-07),
324  Alpha = cms.double(0.0),
325  SigmaZ = cms.double(3.8),
326  TimeOffset = cms.double(0.0),
327  Y0 = cms.double(1.0),
328  X0 = cms.double(0.0322),
329  Z0 = cms.double(0.0)
330 )
331 
332 EarlyCollisionVtxSmearingParameters = cms.PSet(
333  Phi = cms.double(0.0),
334  BetaStar = cms.double(200.0),
335  Emittance = cms.double(1.006e-07),
336  Alpha = cms.double(0.0),
337  SigmaZ = cms.double(5.3),
338  TimeOffset = cms.double(0.0),
339  Y0 = cms.double(0.0),
340  X0 = cms.double(0.0322),
341  Z0 = cms.double(0.0)
342 )
343 NominalCollisionVtxSmearingParameters = cms.PSet(
344  Phi = cms.double(0.000142),
345  BetaStar = cms.double(55.0),
346  Emittance = cms.double(1.006e-07),
347  Alpha = cms.double(0.0),
348  SigmaZ = cms.double(5.3),
349  TimeOffset = cms.double(0.0),
350  Y0 = cms.double(0.0),
351  X0 = cms.double(0.05),
352  Z0 = cms.double(0.0)
353 )
354 NominalCollision1VtxSmearingParameters = cms.PSet(
355  Phi = cms.double(0.0),
356  BetaStar = cms.double(55.0),
357  Emittance = cms.double(1.006e-07),
358  Alpha = cms.double(0.0),
359  SigmaZ = cms.double(5.3),
360  TimeOffset = cms.double(0.0),
361  Y0 = cms.double(0.025),
362  X0 = cms.double(0.05),
363  Z0 = cms.double(0.0)
364 )
365 NominalCollision2VtxSmearingParameters = cms.PSet(
366  Phi = cms.double(0.000142),
367  BetaStar = cms.double(55.0),
368  Emittance = cms.double(1.006e-07),
369  Alpha = cms.double(0.0),
370  SigmaZ = cms.double(5.3),
371  TimeOffset = cms.double(0.0),
372  Y0 = cms.double(0.025),
373  X0 = cms.double(0.05),
374  Z0 = cms.double(0.0)
375 )
376 NominalCollision3VtxSmearingParameters = cms.PSet(
377  Phi = cms.double(0.0),
378  BetaStar = cms.double(55.0),
379  Emittance = cms.double(1.006e-07),
380  Alpha = cms.double(0.0),
381  SigmaZ = cms.double(5.3),
382  TimeOffset = cms.double(0.0),
383  Y0 = cms.double(0.025),
384  X0 = cms.double(0.1),
385  Z0 = cms.double(0.0)
386 )
387 NominalCollision4VtxSmearingParameters = cms.PSet(
388  Phi = cms.double(0.0),
389  BetaStar = cms.double(55.0),
390  Emittance = cms.double(1.006e-07),
391  Alpha = cms.double(0.0),
392  SigmaZ = cms.double(5.3),
393  TimeOffset = cms.double(0.0),
394  Y0 = cms.double(0.025),
395  X0 = cms.double(0.2),
396  Z0 = cms.double(0.0)
397 )
398 NominalCollision2015VtxSmearingParameters = cms.PSet(
399  Phi = cms.double(0.0),
400  BetaStar = cms.double(65.0),
401  Emittance = cms.double(5.411e-08),
402  Alpha = cms.double(0.0),
403  SigmaZ = cms.double(5.3),
404  TimeOffset = cms.double(0.0),
405  X0 = cms.double(0.0322),
406  Y0 = cms.double(0.0),
407  Z0 = cms.double(0.0)
408 )
409 ZeroTeslaRun247324CollisionVtxSmearingParameters = cms.PSet(
410  Phi = cms.double(0.0),
411  BetaStar = cms.double(80.0),
412  Emittance = cms.double(1.070e-5),
413  Alpha = cms.double(0.0),
414  SigmaZ = cms.double(4.125),
415  TimeOffset = cms.double(0.0),
416  X0 = cms.double(0.08621),
417  Y0 = cms.double(0.1657),
418  Z0 = cms.double(-1.688)
419 )
420 
421 # From 2015A 0T data
422 # Centroid absolute positions extracted from fills:
423 # X = 0.059395 cm
424 # Y = 0.099686 cm
425 # Z = -1.722240 cm
426 #
427 # BPIX absolute position extracted from first collision alignment:
428 # X = -0.0259503 cm
429 # Y = -0.07004 cm
430 # Z = -0.498917 cm
431 Realistic50ns13TeVCollisionZeroTeslaVtxSmearingParameters = cms.PSet(
432  Phi = cms.double(0.0),
433  BetaStar = cms.double(65.0),
434  Emittance = cms.double(5.411e-08),
435  Alpha = cms.double(0.0),
436  SigmaZ = cms.double(5.3),
437  TimeOffset = cms.double(0.0),
438  X0 = cms.double(0.08533),
439  Y0 = cms.double(0.16973),
440  Z0 = cms.double(-1.2230)
441 )
442 
443 # From 2015B 3.8T data
444 # Centroid absolute positions extracted from fill 4008:
445 # X = 0.07798 cm
446 # Y = 0.09714 cm
447 # Z = -1.610 cm
448 #
449 # BPIX absolute position extracted from PCL-like alignment run after magnet ramp-up:
450 # X = -0.026837 cm
451 # Y = -0.0715252 cm
452 # Z = -0.511453 cm
453 Realistic50ns13TeVCollisionVtxSmearingParameters = cms.PSet(
454  Phi = cms.double(0.0),
455  BetaStar = cms.double(65.0),
456  Emittance = cms.double(5.411e-08),
457  Alpha = cms.double(0.0),
458  SigmaZ = cms.double(5.3),
459  TimeOffset = cms.double(0.0),
460  X0 = cms.double(0.10482),
461  Y0 = cms.double(0.16867),
462  Z0 = cms.double(-1.0985)
463 )
464 
465 # From 2015B 3.8T data, beta*=90m (700 bunches fills)
466 # Centroid absolute positions extracted from 700 bunches fills 4499-4511:
467 # X = 0.068357 cm
468 # Y = 0.109159 cm
469 # Z = 0.131811 cm
470 #
471 # BPIX absolute position extracted from Prompt Reco alignment of run 259352
472 # X = -0.041651 cm
473 # Y = -0.199279 cm
474 # Z = -0.565093 cm
475 #
476 # Emittance has been calculated to match a BeamWidht of O(10um) with: https://lpc.web.cern.ch/lumi2.html
477 #
478 Realistic100ns13TeVCollisionBetaStar90mVtxSmearingParameters = cms.PSet(
479  Phi = cms.double(0.0),
480  BetaStar = cms.double(9121.0),
481  Emittance = cms.double(0.12e-7),
482  Alpha = cms.double(0.0),
483  SigmaZ = cms.double(4.9),
484  TimeOffset = cms.double(0.0),
485  X0 = cms.double(0.11000),
486  Y0 = cms.double(0.30844),
487  Z0 = cms.double(0.69690)
488 )
489 
490 # From 2015B 3.8T data, beta*=90m (42/240 bunches fills)
491 # Centroid absolute positions extracted from 42/240 bunches fills 4495-4496:
492 # X = 0.064925 cm
493 # Y = 0.112761 cm
494 # Z = 0.170413 cm
495 #
496 # BPIX absolute position extracted from Prompt Reco alignment of run 259202
497 # X = -0.041651 cm
498 # Y = -0.199279 cm
499 # Z = -0.565093 cm
500 #
501 # Emittance has been calculated to match a BeamWidht of O(10um) with: https://lpc.web.cern.ch/lumi2.html
502 #
503 Realistic100ns13TeVCollisionBetaStar90mLowBunchesVtxSmearingParameters = cms.PSet(
504  Phi = cms.double(0.0),
505  BetaStar = cms.double(9121.0),
506  Emittance = cms.double(0.12e-7),
507  Alpha = cms.double(0.0),
508  SigmaZ = cms.double(5.24),
509  TimeOffset = cms.double(0.0),
510  X0 = cms.double(0.10658),
511  Y0 = cms.double(0.31204),
512  Z0 = cms.double(0.735506)
513 )
514 
515 # From 2016B 3.8T data
516 # BS parameters extracted from fills 4895 - 4935:
517 # X0 = 0.064870 +/- 4.9575E-07 [cm]
518 # Y0 = 0.093639 +/- 4.9233E-07 [cm]
519 # Z0 = 0.420085 +/- 4.1102E-04 [cm]
520 # sigmaZ0 = 3.645533 +/- 2.9064E-04 [cm]
521 #
522 # From LHC calculator, emittance is 4.906e-8 cm
523 # https://lpc.web.cern.ch/lpc/lumi2.html
524 #
525 # BPIX absolute position:
526 # X = -0.0267572 cm
527 # Y = -0.0759102 cm
528 # Z = -0.511428 cm
529 Realistic25ns13TeV2016CollisionVtxSmearingParameters = cms.PSet(
530  Phi = cms.double(0.0),
531  BetaStar = cms.double(40.0),
532  Emittance = cms.double(4.906e-8),
533  Alpha = cms.double(0.0),
534  SigmaZ = cms.double(3.65),
535  TimeOffset = cms.double(0.0),
536  X0 = cms.double(0.09163),
537  Y0 = cms.double(0.16955),
538  Z0 = cms.double(0.9315 )
539 )
540 
541 # Test HF offset
542 ShiftedCollision2015VtxSmearingParameters = cms.PSet(
543  Phi = cms.double(0.0),
544  BetaStar = cms.double(65.0),
545  Emittance = cms.double(5.411e-08),
546  Alpha = cms.double(0.0),
547  SigmaZ = cms.double(5.3),
548  TimeOffset = cms.double(0.0),
549  X0 = cms.double(1.0),
550  Y0 = cms.double(0.0),
551  Z0 = cms.double(0.0)
552 )
553 Shifted5mmCollision2015VtxSmearingParameters = cms.PSet(
554  Phi = cms.double(0.0),
555  BetaStar = cms.double(65.0),
556  Emittance = cms.double(5.411e-08),
557  Alpha = cms.double(0.0),
558  SigmaZ = cms.double(5.3),
559  TimeOffset = cms.double(0.0),
560  X0 = cms.double(0.5),
561  Y0 = cms.double(0.0),
562  Z0 = cms.double(0.0)
563 )
564 Shifted15mmCollision2015VtxSmearingParameters = cms.PSet(
565  Phi = cms.double(0.0),
566  BetaStar = cms.double(65.0),
567  Emittance = cms.double(5.411e-08),
568  Alpha = cms.double(0.0),
569  SigmaZ = cms.double(5.3),
570  TimeOffset = cms.double(0.0),
571  X0 = cms.double(1.5),
572  Y0 = cms.double(0.0),
573  Z0 = cms.double(0.0)
574 )
575 
576 # Estimate for 2015 PbPb collisions, based on feedback from accelerator
577 # Beamspot centroid shifted to match pp expectation for 2015
578 NominalHICollision2015VtxSmearingParameters = cms.PSet(
579  Phi = cms.double(0.0),
580  BetaStar = cms.double(60.0),
581  Emittance = cms.double(1.70e-07),
582  Alpha = cms.double(0.0),
583  SigmaZ = cms.double(7.06),
584  TimeOffset = cms.double(0.0),
585  X0 = cms.double(0.0322),
586  Y0 = cms.double(0.),
587  Z0 = cms.double(0.)
588 )
589 
590 # Update based on latest beta* presented at the WGM
591 # Beamspot centroid updated to according to the current pp conditions (Realistic50ns13TeVCollisionZeroTesla)
592 UpdatedHICollision2015VtxSmearingParameters = cms.PSet(
593  Phi = cms.double(0.0),
594  BetaStar = cms.double(80.0),
595  Emittance = cms.double(1.70e-07),
596  Alpha = cms.double(0.0),
597  SigmaZ = cms.double(7.06),
598  TimeOffset = cms.double(0.0),
599  X0 = cms.double(0.08533),
600  Y0 = cms.double(0.16973),
601  Z0 = cms.double(-1.2230)
602 )
603 
604 # Estimate for 2015 pp collisions at 5.02 TeV, based on feedback from accelerator: beta* ~ 400cm, normalized emittance = 2.5 um, SigmaZ similar to RunIIWinter15GS
605 Nominal5TeVpp2015VtxSmearingParameters = cms.PSet(
606  Phi = cms.double(0.0),
607  BetaStar = cms.double(400.0),
608  Emittance = cms.double(1.0e-07),
609  Alpha = cms.double(0.0),
610  SigmaZ = cms.double(5.5),
611  TimeOffset = cms.double(0.0),
612  X0 = cms.double(0.1044),
613  Y0 = cms.double(0.1676),
614  Z0 = cms.double(0.6706)
615 )
616 
617 # From fit to 5 TeV pPb data
618 Realistic5TeVPACollision2016VtxSmearingParameters = cms.PSet(
619  Phi = cms.double(0.0),
620  BetaStar = cms.double(1100.0),
621  Emittance = cms.double(6.75e-08),
622  Alpha = cms.double(0.0),
623  SigmaZ = cms.double(6.4891),
624  TimeOffset = cms.double(0.0),
625  X0 = cms.double(0.0889),
626  Y0 = cms.double(0.1820),
627  Z0 = cms.double(1.6066)
628 )
629 
630 # From fit to 8 TeV pPb data
631 Realistic8TeVPACollision2016VtxSmearingParameters = cms.PSet(
632  Phi = cms.double(0.0),
633  BetaStar = cms.double(60.0),
634  Emittance = cms.double(6.75e-08),
635  Alpha = cms.double(0.0),
636  SigmaZ = cms.double(4.6914),
637  TimeOffset = cms.double(0.0),
638  X0 = cms.double(0.0836),
639  Y0 = cms.double(0.1837),
640  Z0 = cms.double(1.3577)
641 )
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