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File indexing completed on 2021-02-14 13:32:30

0001 #include "PhysicsTools/Heppy/interface/RochCor2012.h"
0002 #include <TLorentzVector.h>
0003 
0004 namespace heppy {
0005 
0006   const double RochCor2012::pi = 3.14159265358979323846;
0007 
0008   const float RochCor2012::genm_smr =
0009       9.09915e+01;  //gen mass peak with eta dependent gaussian smearing => better match in Z mass profile vs. eta/phi
0010   const float RochCor2012::genm = 91.06;  //gen mass peak without smearing => Z mass profile vs. eta/phi in CMS note
0011 
0012   const float RochCor2012::mrecm = 90.8177;      //rec mass peak in MC (2011A)
0013   const float RochCor2012::drecm = 90.5332;      //rec mass peak in data (2011A)
0014   const float RochCor2012::mgscl_stat = 0.0001;  //stat. error of global factor for mass peak in MC (2011A)
0015   const float RochCor2012::mgscl_syst = 0.0006;  //syst. error of global factor for mass peak in MC (2011A)
0016   const float RochCor2012::dgscl_stat = 0.0001;  //stat. error of global factor for mass peak in data (2011A)
0017   const float RochCor2012::dgscl_syst = 0.0008;  //syst. error of global factor for mass peak in data (2011A)
0018 
0019   //iteration2 after FSR : after Z Pt correction
0020   const float RochCor2012::delta = -5.48477e-06;
0021   const float RochCor2012::delta_stat = 4.38582e-07;
0022   const float RochCor2012::delta_syst = 6.992e-07;
0023 
0024   const float RochCor2012::sf = 33.4956;
0025   const float RochCor2012::sf_stat = 0.312614;
0026   const float RochCor2012::sf_syst = 9.29;
0027 
0028   const float RochCor2012::apar = 1.0;            //+- 0.002
0029   const float RochCor2012::bpar = -5.03313e-06;   //+- 1.57968e-06
0030   const float RochCor2012::cpar = -4.41463e-05;   //+- 1.92775e-06
0031   const float RochCor2012::d0par = -0.000148871;  //+- 3.16301e-06
0032   const float RochCor2012::e0par = 1.59501;       //+- 0.0249021
0033   const float RochCor2012::d1par = 7.95495e-05;   //+- 1.12386e-05
0034   const float RochCor2012::e1par = -0.364823;     //+- 0.17896
0035   const float RochCor2012::d2par = 0.000152032;   //+- 5.68386e-06
0036   const float RochCor2012::e2par = 0.410195;      //+- 0.0431732
0037 
0038   const float RochCor2012::netabin[9] = {-2.4, -2.1, -1.4, -0.7, 0.0, 0.7, 1.4, 2.1, 2.4};
0039 
0040   const float RochCor2012::dcor_bf[8][8] = {
0041       {0.000107019, 0.000110872, 0.000104914, 0.000088356, 0.000098934, 0.000097173, 0.000076036, 0.000038352},
0042       {0.000027861, 0.000082929, 0.000079044, 0.000090323, 0.000096823, 0.000077726, 0.000089548, 0.000094251},
0043       {0.000096623, 0.000080357, 0.000116928, 0.000064621, 0.000089653, 0.000104048, 0.000075808, 0.000104033},
0044       {0.000056079, 0.000074857, 0.000091264, 0.000094404, 0.000089990, 0.000076868, 0.000063443, 0.000058654},
0045       {0.000020316, 0.000039838, 0.000085370, 0.000099329, 0.000089701, 0.000080920, 0.000061223, 0.000036706},
0046       {0.000079484, 0.000058457, 0.000115420, 0.000113329, 0.000085512, 0.000123082, 0.000063315, 0.000046771},
0047       {-0.000014849, 0.000063752, 0.000076973, 0.000115789, 0.000099257, 0.000090677, 0.000079501, 0.000033056},
0048       {0.000013455, 0.000084340, 0.000099403, 0.000102317, 0.000104791, 0.000125368, 0.000116473, 0.000060607}};
0049   const float RochCor2012::dcor_ma[8][8] = {
0050       {0.000100487, 0.000017322, -0.000130583, -0.000151975, -0.000160698, -0.000163992, 0.000058854, 0.000537338},
0051       {0.000797318, 0.000133807, -0.000012265, -0.000039851, -0.000014145, -0.000020469, -0.000038474, -0.000089369},
0052       {0.000127640, 0.000079630, 0.000096678, 0.000101597, 0.000103066, 0.000051955, -0.000052329, -0.000232106},
0053       {-0.000822448, -0.000093050, 0.000224437, 0.000199975, 0.000208382, 0.000161882, 0.000008895, -0.000055717},
0054       {-0.000659872, -0.000009989, 0.000204988, 0.000187290, 0.000147524, 0.000176117, 0.000146629, -0.000072046},
0055       {-0.000232191, 0.000003074, 0.000063732, 0.000058353, 0.000024090, 0.000055329, 0.000196989, 0.000152461},
0056       {0.000150637, -0.000069255, -0.000120556, -0.000129774, -0.000181534, -0.000185724, -0.000138647, 0.000415873},
0057       {-0.000069055, -0.000059101, -0.000171624, -0.000183451, -0.000229660, -0.000318313, -0.000075301, 0.000616515}};
0058   const float RochCor2012::mcor_bf[8][8] = {
0059       {0.000051096, 0.000053354, 0.000088067, 0.000069625, 0.000111574, 0.000054434, 0.000049471, 0.000029711},
0060       {-0.000011598, 0.000000375, 0.000060415, 0.000029346, 0.000033469, 0.000016833, 0.000015773, 0.000072907},
0061       {-0.000092219, 0.000008603, 0.000056443, 0.000072303, 0.000068745, 0.000029366, 0.000000943, 0.000025621},
0062       {-0.000046305, 0.000026115, 0.000040818, 0.000041803, 0.000029672, 0.000028866, -0.000037959, 0.000082943},
0063       {-0.000008281, 0.000014787, 0.000049244, 0.000048117, 0.000030259, 0.000017593, -0.000052198, 0.000045353},
0064       {0.000055014, 0.000010201, 0.000047900, 0.000049045, 0.000057969, 0.000055183, 0.000046076, 0.000138166},
0065       {-0.000013461, 0.000002464, 0.000078624, 0.000083703, 0.000082662, 0.000059725, 0.000023476, 0.000066592},
0066       {0.000015052, 0.000014736, 0.000068918, 0.000076644, 0.000089550, 0.000082794, 0.000028474, 0.000108749}};
0067   const float RochCor2012::mcor_ma[8][8] = {
0068       {0.000385236, 0.000085244, -0.000048248, -0.000046507, -0.000039849, -0.000074739, -0.000027738, 0.000147033},
0069       {0.000117999, -0.000031813, -0.000046653, -0.000014969, -0.000052586, -0.000031938, 0.000064566, 0.000151759},
0070       {-0.000049906, -0.000028434, 0.000014103, -0.000003392, 0.000000074, 0.000017360, 0.000041907, 0.000002294},
0071       {0.000203101, 0.000176454, 0.000070179, 0.000045394, 0.000059526, 0.000098039, 0.000121830, 0.000117598},
0072       {0.000226645, 0.000158641, 0.000060774, 0.000062295, 0.000058320, 0.000068351, 0.000102766, 0.000224776},
0073       {-0.000416113, -0.000065963, 0.000036343, 0.000031159, 0.000037239, 0.000038536, 0.000012286, 0.000196513},
0074       {-0.000465413, -0.000067328, -0.000001936, 0.000020537, -0.000037656, -0.000004558, 0.000001761, -0.000050296},
0075       {0.000273417, 0.000001643, -0.000056352, -0.000055155, -0.000073923, -0.000052147, -0.000106017, -0.000373331}};
0076 
0077   const float RochCor2012::dcor_bfer[8][8] = {
0078       {0.000060607, 0.000033327, 0.000028317, 0.000026616, 0.000026635, 0.000028568, 0.000033216, 0.000059162},
0079       {0.000058346, 0.000032683, 0.000028301, 0.000026814, 0.000026649, 0.000028376, 0.000032958, 0.000058995},
0080       {0.000059405, 0.000033098, 0.000028297, 0.000026759, 0.000026544, 0.000028262, 0.000032849, 0.000059237},
0081       {0.000058096, 0.000032952, 0.000028116, 0.000026624, 0.000026511, 0.000028165, 0.000032528, 0.000058668},
0082       {0.000059777, 0.000033148, 0.000028356, 0.000026645, 0.000026687, 0.000028264, 0.000033157, 0.000059752},
0083       {0.000058886, 0.000032805, 0.000028226, 0.000026821, 0.000026998, 0.000028379, 0.000032977, 0.000057995},
0084       {0.000058887, 0.000033128, 0.000028232, 0.000026494, 0.000026707, 0.000028133, 0.000032632, 0.000058308},
0085       {0.000058322, 0.000033103, 0.000028333, 0.000026601, 0.000026502, 0.000028277, 0.000032777, 0.000058169}};
0086   const float RochCor2012::dcor_maer[8][8] = {
0087       {0.000060607, 0.000033327, 0.000028317, 0.000026616, 0.000026635, 0.000028568, 0.000033216, 0.000059162},
0088       {0.000058346, 0.000032683, 0.000028301, 0.000026814, 0.000026649, 0.000028376, 0.000032958, 0.000058995},
0089       {0.000059405, 0.000033098, 0.000028297, 0.000026759, 0.000026544, 0.000028262, 0.000032849, 0.000059237},
0090       {0.000058096, 0.000032952, 0.000028116, 0.000026624, 0.000026511, 0.000028165, 0.000032528, 0.000058668},
0091       {0.000059777, 0.000033148, 0.000028356, 0.000026645, 0.000026687, 0.000028264, 0.000033157, 0.000059752},
0092       {0.000058886, 0.000032805, 0.000028226, 0.000026821, 0.000026998, 0.000028379, 0.000032977, 0.000057995},
0093       {0.000058887, 0.000033128, 0.000028232, 0.000026494, 0.000026707, 0.000028133, 0.000032632, 0.000058308},
0094       {0.000058322, 0.000033103, 0.000028333, 0.000026601, 0.000026502, 0.000028277, 0.000032777, 0.000058169}};
0095   const float RochCor2012::mcor_bfer[8][8] = {
0096       {0.000057442, 0.000032512, 0.000028476, 0.000026441, 0.000026600, 0.000028609, 0.000033152, 0.000058520},
0097       {0.000059126, 0.000033023, 0.000028420, 0.000026487, 0.000026433, 0.000028348, 0.000033027, 0.000058155},
0098       {0.000058834, 0.000033739, 0.000028770, 0.000026521, 0.000026452, 0.000028520, 0.000033074, 0.000058708},
0099       {0.000057004, 0.000033420, 0.000028307, 0.000026526, 0.000026567, 0.000028409, 0.000032725, 0.000059488},
0100       {0.000059638, 0.000032488, 0.000028209, 0.000026119, 0.000026508, 0.000028089, 0.000033404, 0.000059850},
0101       {0.000058238, 0.000033400, 0.000028385, 0.000026755, 0.000026870, 0.000028312, 0.000032999, 0.000056991},
0102       {0.000059148, 0.000034134, 0.000028568, 0.000026543, 0.000026583, 0.000027788, 0.000032530, 0.000059904},
0103       {0.000060323, 0.000033258, 0.000028902, 0.000026263, 0.000026405, 0.000028263, 0.000032459, 0.000059398}};
0104   const float RochCor2012::mcor_maer[8][8] = {
0105       {0.000057442, 0.000032512, 0.000028476, 0.000026441, 0.000026600, 0.000028609, 0.000033152, 0.000058520},
0106       {0.000059126, 0.000033023, 0.000028420, 0.000026487, 0.000026433, 0.000028348, 0.000033027, 0.000058155},
0107       {0.000058834, 0.000033739, 0.000028770, 0.000026521, 0.000026452, 0.000028520, 0.000033074, 0.000058708},
0108       {0.000057004, 0.000033420, 0.000028307, 0.000026526, 0.000026567, 0.000028409, 0.000032725, 0.000059488},
0109       {0.000059638, 0.000032488, 0.000028209, 0.000026119, 0.000026508, 0.000028089, 0.000033404, 0.000059850},
0110       {0.000058238, 0.000033400, 0.000028385, 0.000026755, 0.000026870, 0.000028312, 0.000032999, 0.000056991},
0111       {0.000059148, 0.000034134, 0.000028568, 0.000026543, 0.000026583, 0.000027788, 0.000032530, 0.000059904},
0112       {0.000060323, 0.000033258, 0.000028902, 0.000026263, 0.000026405, 0.000028263, 0.000032459, 0.000059398}};
0113 
0114   //=======================================================================================================
0115 
0116   const float RochCor2012::dmavg[8][8] = {
0117       {0.025806983, 0.025159891, 0.024975842, 0.025455723, 0.025425207, 0.024926903, 0.025207309, 0.026048885},
0118       {0.025750965, 0.025097309, 0.024989121, 0.025452482, 0.025527396, 0.024992650, 0.025032483, 0.025745209},
0119       {0.025804636, 0.025158395, 0.025016371, 0.025488043, 0.025484602, 0.025030160, 0.025056485, 0.025666000},
0120       {0.025856440, 0.025213197, 0.025026234, 0.025434566, 0.025508311, 0.025036940, 0.025187392, 0.025890424},
0121       {0.025876249, 0.025281013, 0.024931971, 0.025371491, 0.025499941, 0.025069176, 0.025232100, 0.025805794},
0122       {0.025650327, 0.025166171, 0.025005627, 0.025408096, 0.025460445, 0.025019452, 0.025223815, 0.025741512},
0123       {0.025876350, 0.025175626, 0.024978362, 0.025447193, 0.025421566, 0.024991240, 0.025167436, 0.025891024},
0124       {0.025871826, 0.025199998, 0.024895251, 0.025438601, 0.025413080, 0.024985093, 0.025161586, 0.025951909}};
0125   const float RochCor2012::dpavg[8][8] = {
0126       {0.025863485, 0.025162835, 0.025030071, 0.025502551, 0.025451110, 0.024937023, 0.025201191, 0.025910362},
0127       {0.025625774, 0.024974553, 0.025011365, 0.025516130, 0.025527164, 0.024980470, 0.025081821, 0.025774996},
0128       {0.025843368, 0.025180360, 0.024976660, 0.025487988, 0.025465345, 0.025063817, 0.025222588, 0.025848188},
0129       {0.026043606, 0.025279730, 0.024916318, 0.025446864, 0.025459185, 0.024968978, 0.025218397, 0.026001596},
0130       {0.026105632, 0.025315669, 0.024938580, 0.025393917, 0.025404370, 0.024991038, 0.025172806, 0.025925590},
0131       {0.025834291, 0.025225312, 0.024968093, 0.025365828, 0.025470435, 0.024970995, 0.025149210, 0.025854499},
0132       {0.025907967, 0.025225916, 0.025005253, 0.025466169, 0.025463152, 0.024998250, 0.025108125, 0.025770905},
0133       {0.025902320, 0.025180646, 0.024998309, 0.025482915, 0.025518436, 0.025018455, 0.025214326, 0.025771985}};
0134   const float RochCor2012::mmavg[8][8] = {
0135       {0.026128584, 0.025420381, 0.025425881, 0.025276864, 0.025621923, 0.024943013, 0.024997684, 0.024951389},
0136       {0.025892397, 0.025324140, 0.024767618, 0.025466916, 0.025547697, 0.024931444, 0.024865503, 0.024965166},
0137       {0.025884594, 0.025299910, 0.024911579, 0.025545151, 0.025692597, 0.025396692, 0.025361045, 0.025631407},
0138       {0.026016195, 0.024945150, 0.024826044, 0.025509113, 0.025358243, 0.025056858, 0.025043673, 0.025082216},
0139       {0.025525420, 0.025148992, 0.025057081, 0.025180734, 0.025324788, 0.024978238, 0.025439115, 0.025149794},
0140       {0.025679313, 0.024968559, 0.024960063, 0.025743545, 0.025488564, 0.024816573, 0.025175969, 0.025249409},
0141       {0.025616512, 0.024970570, 0.024939109, 0.025640487, 0.025595783, 0.024913486, 0.025093671, 0.025319956},
0142       {0.025649297, 0.025295899, 0.025035573, 0.025319031, 0.025256918, 0.025451105, 0.024914639, 0.025190688}};
0143   const float RochCor2012::mpavg[8][8] = {
0144       {0.025604088, 0.025265064, 0.024723310, 0.025622864, 0.025484807, 0.025519480, 0.025055743, 0.024885352},
0145       {0.025536602, 0.024972232, 0.024960433, 0.025341841, 0.025646744, 0.024954528, 0.025367321, 0.024594933},
0146       {0.025733960, 0.024972564, 0.025092482, 0.025435571, 0.025381427, 0.024627063, 0.025213528, 0.026130881},
0147       {0.025760733, 0.025261410, 0.024756177, 0.025349453, 0.025471219, 0.024913743, 0.025367404, 0.025344302},
0148       {0.025564542, 0.025115323, 0.025066901, 0.025519108, 0.025278455, 0.025177200, 0.025202904, 0.025660497},
0149       {0.026146946, 0.025127524, 0.025185574, 0.025478394, 0.025289463, 0.025376077, 0.025378334, 0.025742637},
0150       {0.026086491, 0.025343798, 0.025090656, 0.025447269, 0.025322028, 0.024798416, 0.024731958, 0.024964551},
0151       {0.025714620, 0.024896867, 0.024996409, 0.025739719, 0.025418277, 0.024759519, 0.025287654, 0.024960841}};
0152 
0153   //=======================================================================================================
0154 
0155   //===============================================================================================
0156   //parameters for Z pt correction
0157 
0158   const float RochCor2012::ptlow[85] = {
0159       0.0,   0.5,   1.0,   1.5,   2.0,   2.5,   3.0,   3.5,   4.0,   4.5,   5.0,  5.5,  6.0,  6.5,   7.0,
0160       7.5,   8.0,   8.5,   9.0,   9.5,   10.0,  10.5,  11.0,  11.5,  12.0,  12.5, 13.0, 13.5, 14.0,  14.5,
0161       15.0,  15.5,  16.0,  16.5,  17.0,  17.5,  18.0,  18.5,  19.0,  19.5,  20.0, 20.5, 21.0, 21.5,  22.0,
0162       22.5,  23.0,  23.5,  24.0,  24.5,  25.0,  26.0,  27.0,  28.0,  29.0,  30.0, 32.0, 34.0, 36.0,  38.0,
0163       40.0,  44.0,  48.0,  52.0,  56.0,  60.0,  65.0,  70.0,  75.0,  80.0,  85.0, 90.0, 95.0, 100.0, 110.0,
0164       120.0, 130.0, 140.0, 150.0, 175.0, 200.0, 250.0, 350.0, 500.0, 1000.0};
0165 
0166   //int nptbins( sizeof(ptlow)/sizeof(float) - 1 );
0167 
0168   const float RochCor2012::zptscl[84] = {
0169       1.49177,  1.45654,  1.36283,  1.28569,  1.2418,   1.12336,  1.10416,  1.08731,  0.994051, 0.96532,  0.94427,
0170       0.932725, 0.918082, 0.899665, 0.898398, 0.927687, 0.908047, 0.892392, 0.924027, 0.945895, 0.937149, 0.923983,
0171       0.923387, 0.955362, 0.947812, 0.962943, 0.948781, 0.961555, 0.95222,  0.999207, 0.973884, 0.993013, 0.953487,
0172       0.951402, 0.985583, 0.986603, 0.981388, 1.00022,  1.0294,   0.964748, 0.974592, 1.01546,  0.992343, 1.00101,
0173       0.990866, 0.98982,  1.02924,  1.02265,  0.967695, 1.02411,  0.97331,  1.01052,  1.01561,  0.992594, 0.976504,
0174       1.01205,  0.981111, 1.00078,  1.02078,  1.00719,  1.0099,   1.02865,  1.03845,  1.03254,  1.09815,  1.10263,
0175       1.06302,  1.0725,   1.14703,  1.10574,  1.13911,  1.16947,  1.1709,   1.11413,  1.28793,  1.18953,  1.20212,
0176       1.18112,  1.25471,  1.15329,  1.14276,  1.17223,  1.09173,  2.00229};
0177 
0178   const float RochCor2012::zptscler[84] = {
0179       0.0270027,  0.0154334,  0.0115338,  0.00958085, 0.0084683,  0.00736665, 0.0069567,  0.00671434, 0.00617693,
0180       0.00601943, 0.00594735, 0.00594569, 0.00594903, 0.00595495, 0.00608115, 0.00633704, 0.0063916,  0.0064468,
0181       0.00678106, 0.00706769, 0.00717517, 0.00727958, 0.00747182, 0.00785544, 0.00798754, 0.00828787, 0.00839147,
0182       0.00865826, 0.00876775, 0.00933276, 0.00935768, 0.0097289,  0.00962058, 0.00983828, 0.0103044,  0.0104871,
0183       0.0106575,  0.0110388,  0.0114986,  0.0111494,  0.0115202,  0.0121059,  0.0121345,  0.0124923,  0.0125972,
0184       0.0128401,  0.0134519,  0.0136279,  0.0133414,  0.014186,   0.00992195, 0.0105984,  0.0109484,  0.0111756,
0185       0.0114579,  0.00870013, 0.00904749, 0.00970734, 0.0104583,  0.0109818,  0.00837852, 0.00939894, 0.010415,
0186       0.0113433,  0.013007,   0.0128788,  0.0140174,  0.0156993,  0.0181717,  0.019765,   0.0222326,  0.0249408,
0187       0.0272806,  0.0211706,  0.0278087,  0.0306654,  0.0361387,  0.041327,   0.0341513,  0.0440116,  0.0473006,
0188       0.0680212,  0.149162,   0.56279};
0189 
0190   RochCor2012::~RochCor2012() {}
0191 
0192   RochCor2012::RochCor2012() {
0193     eran.SetSeed(123456);
0194     sran.SetSeed(1234);
0195 
0196     gscler_mc_dev = 0;
0197     gscler_da_dev = 0;
0198 
0199     for (int i = 0; i < 8; ++i) {
0200       for (int j = 0; j < 8; ++j) {
0201         mptsys_mc_dm[i][j] = 0;
0202         mptsys_mc_da[i][j] = 0;
0203         mptsys_da_dm[i][j] = 0;
0204         mptsys_da_da[i][j] = 0;
0205       }
0206     }
0207   }
0208 
0209   RochCor2012::RochCor2012(int seed) {
0210     eran.SetSeed(123456);
0211     sran.SetSeed(seed);
0212 
0213     gscler_mc_dev = sran.Gaus(0.0, 1.0);
0214     gscler_da_dev = sran.Gaus(0.0, 1.0);
0215 
0216     for (int i = 0; i < 8; ++i) {
0217       for (int j = 0; j < 8; ++j) {
0218         mptsys_mc_dm[i][j] = sran.Gaus(0.0, 1.0);
0219         mptsys_mc_da[i][j] = sran.Gaus(0.0, 1.0);
0220         mptsys_da_dm[i][j] = sran.Gaus(0.0, 1.0);
0221         mptsys_da_da[i][j] = sran.Gaus(0.0, 1.0);
0222       }
0223     }
0224   }
0225 
0226   void RochCor2012::momcor_mc(TLorentzVector& mu, float charge, float sysdev, int runopt) {
0227     //sysdev == num : deviation = num
0228 
0229     float ptmu = mu.Pt();
0230     float muphi = mu.Phi();
0231     float mueta = mu.Eta();  // same with mu.Eta() in Root
0232 
0233     float px = mu.Px();
0234     float py = mu.Py();
0235     float pz = mu.Pz();
0236     float e = mu.E();
0237 
0238     int mu_phibin = phibin(muphi);
0239     int mu_etabin = etabin(mueta);
0240 
0241     //float mptsys = sran.Gaus(0.0,sysdev);
0242 
0243     float dm = (mcor_bf[mu_phibin][mu_etabin] + mptsys_mc_dm[mu_phibin][mu_etabin] * mcor_bfer[mu_phibin][mu_etabin]) /
0244                mmavg[mu_phibin][mu_etabin];
0245     float da = mcor_ma[mu_phibin][mu_etabin] + mptsys_mc_da[mu_phibin][mu_etabin] * mcor_maer[mu_phibin][mu_etabin];
0246 
0247     float cor = 1.0 / (1.0 + dm + charge * da * ptmu);
0248 
0249     //for the momentum tuning - eta,phi,Q correction
0250     px *= cor;
0251     py *= cor;
0252     pz *= cor;
0253     e *= cor;
0254 
0255     float gscler = 0.0;
0256     float deltaer = 0.0;
0257     float sfer = 0.0;
0258 
0259     gscler = TMath::Sqrt(TMath::Power(mgscl_stat, 2) + TMath::Power(mgscl_syst, 2));
0260     deltaer = TMath::Sqrt(TMath::Power(delta_stat, 2) + TMath::Power(delta_syst, 2));
0261     sfer = TMath::Sqrt(TMath::Power(sf_stat, 2) + TMath::Power(sf_syst, 2));
0262 
0263     float tune =
0264         1.0 / (1.0 + (delta + sysdev * deltaer) * sqrt(px * px + py * py) * eran.Gaus(1.0, (sf + sysdev * sfer)));
0265 
0266     px *= (tune);
0267     py *= (tune);
0268     pz *= (tune);
0269     e *= (tune);
0270 
0271     float gscl = (genm_smr / mrecm);
0272 
0273     px *= (gscl + gscler_mc_dev * gscler);
0274     py *= (gscl + gscler_mc_dev * gscler);
0275     pz *= (gscl + gscler_mc_dev * gscler);
0276     e *= (gscl + gscler_mc_dev * gscler);
0277 
0278     mu.SetPxPyPzE(px, py, pz, e);
0279   }
0280 
0281   void RochCor2012::momcor_data(TLorentzVector& mu, float charge, float sysdev, int runopt) {
0282     float ptmu = mu.Pt();
0283 
0284     float muphi = mu.Phi();
0285     float mueta = mu.Eta();  // same with mu.Eta() in Root
0286 
0287     float px = mu.Px();
0288     float py = mu.Py();
0289     float pz = mu.Pz();
0290     float e = mu.E();
0291 
0292     int mu_phibin = phibin(muphi);
0293     int mu_etabin = etabin(mueta);
0294 
0295     //float mptsys1 = sran.Gaus(0.0,sysdev);
0296 
0297     float dm = (dcor_bf[mu_phibin][mu_etabin] + mptsys_da_dm[mu_phibin][mu_etabin] * dcor_bfer[mu_phibin][mu_etabin]) /
0298                dmavg[mu_phibin][mu_etabin];
0299     float da = dcor_ma[mu_phibin][mu_etabin] + mptsys_da_da[mu_phibin][mu_etabin] * dcor_maer[mu_phibin][mu_etabin];
0300 
0301     float cor = 1.0 / (1.0 + dm + charge * da * ptmu);
0302 
0303     px *= cor;
0304     py *= cor;
0305     pz *= cor;
0306     e *= cor;
0307 
0308     //after Z pt correction
0309     float gscler = 0.0;
0310 
0311     gscler = TMath::Sqrt(TMath::Power(dgscl_stat, 2) + TMath::Power(dgscl_syst, 2));
0312 
0313     float gscl = (genm_smr / drecm);
0314 
0315     px *= (gscl + gscler_da_dev * gscler);
0316     py *= (gscl + gscler_da_dev * gscler);
0317     pz *= (gscl + gscler_da_dev * gscler);
0318     e *= (gscl + gscler_da_dev * gscler);
0319 
0320     mu.SetPxPyPzE(px, py, pz, e);
0321   }
0322 
0323   void RochCor2012::musclefit_data(TLorentzVector& mu, TLorentzVector& mubar) {
0324     float dpar1 = 0.0;
0325     float dpar2 = 0.0;
0326     float epar1 = 0.0;
0327     float epar2 = 0.0;
0328 
0329     if (fabs(mu.PseudoRapidity()) <= 0.9) {
0330       dpar1 = d0par;
0331       epar1 = e0par;
0332     } else if (mu.PseudoRapidity() > 0.9) {
0333       dpar1 = d1par;
0334       epar1 = e1par;
0335     } else if (mu.PseudoRapidity() < -0.9) {
0336       dpar1 = d2par;
0337       epar1 = e2par;
0338     }
0339 
0340     if (fabs(mubar.PseudoRapidity()) <= 0.9) {
0341       dpar2 = d0par;
0342       epar2 = e0par;
0343     } else if (mubar.PseudoRapidity() > 0.9) {
0344       dpar2 = d1par;
0345       epar2 = e1par;
0346     } else if (mubar.PseudoRapidity() < -0.9) {
0347       dpar2 = d2par;
0348       epar2 = e2par;
0349     }
0350 
0351     float corr1 = 1.0 + bpar * mu.Pt() +
0352                   (-1.0) * cpar * mu.Pt() * TMath::Sign(float(1.0), float(mu.PseudoRapidity())) *
0353                       TMath::Power(mu.PseudoRapidity(), 2) +
0354                   (-1.0) * dpar1 * mu.Pt() * sin(mu.Phi() + epar1);
0355     float corr2 = 1.0 + bpar * mubar.Pt() +
0356                   (1.0) * cpar * mubar.Pt() * TMath::Sign(float(1.0), float(mubar.PseudoRapidity())) *
0357                       TMath::Power(mubar.PseudoRapidity(), 2) +
0358                   (1.0) * dpar2 * mubar.Pt() * sin(mubar.Phi() + epar2);
0359 
0360     float px1 = mu.Px();
0361     float py1 = mu.Py();
0362     float pz1 = mu.Pz();
0363     float e1 = mu.E();
0364 
0365     float px2 = mubar.Px();
0366     float py2 = mubar.Py();
0367     float pz2 = mubar.Pz();
0368     float e2 = mubar.E();
0369 
0370     px1 *= corr1;
0371     py1 *= corr1;
0372     pz1 *= corr1;
0373     e1 *= corr1;
0374 
0375     px2 *= corr2;
0376     py2 *= corr2;
0377     pz2 *= corr2;
0378     e2 *= corr2;
0379 
0380     mu.SetPxPyPzE(px1, py1, pz1, e1);
0381     mubar.SetPxPyPzE(px2, py2, pz2, e2);
0382   }
0383 
0384   Int_t RochCor2012::phibin(float phi) {
0385     int nphibin = -1;
0386 
0387     for (int i = 0; i < 8; i++) {
0388       if (-pi + (2.0 * pi / 8.0) * i <= phi && -pi + (2.0 * pi / 8.0) * (i + 1) > phi) {
0389         nphibin = i;
0390         break;
0391       }
0392     }
0393 
0394     return nphibin;
0395   }
0396 
0397   Int_t RochCor2012::etabin(float eta) {
0398     int nbin = -1;
0399 
0400     for (int i = 0; i < 8; i++) {
0401       if (netabin[i] <= eta && netabin[i + 1] > eta) {
0402         nbin = i;
0403         break;
0404       }
0405     }
0406 
0407     return nbin;
0408   }
0409 
0410   float RochCor2012::zptcor(float gzpt) {
0411     int ibin(0);
0412 
0413     // mcptscl[] = 84 bins: [0] and [83] are the underflow and overflow
0414     if (gzpt > ptlow[nptbins])
0415       return nptbins - 1;
0416     if (gzpt < ptlow[0])
0417       return 0;
0418 
0419     for (int i = 0; i < nptbins; ++i) {
0420       if (gzpt >= ptlow[i] && gzpt < ptlow[i + 1]) {
0421         ibin = i;
0422         break;
0423       }
0424     }
0425 
0426     float zptwt = zptscl[ibin];
0427 
0428     return zptwt;
0429   }
0430 
0431 }  // namespace heppy