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File indexing completed on 2024-04-06 12:30:42
0001 0002 #include "FWCore/MessageLogger/interface/MessageLogger.h" 0003 #include "SimMuon/CSCDigitizer/src/CSCStripAmpResponse.h" 0004 0005 #include <cmath> 0006 #include <iostream> 0007 0008 CSCStripAmpResponse::CSCStripAmpResponse(int shapingTime, int tailShaping) 0009 : theShapingTime(shapingTime), theTailShaping(tailShaping) {} 0010 0011 float CSCStripAmpResponse::calculateAmpResponse(float t) const { 0012 // Local variables 0013 double t1, t3, t5, t7, cat = 0.; 0014 0015 // ! CSC Cathode amplifier-shaper response to single e- 0016 0017 // Author: S. Durkin Oct. 13, 1995 0018 0019 // Routine gives cathode amplifier response to a single drift electron 0020 // Positive ion drift collection is included 0021 // FLAGS: itp amplifier/shaper peaking time 0022 // 10,20,30,40,50,60,70,80,90,100,150,200,250,300 nsec available 0023 // itl amplifier tail cancellation 0024 // 1 no tail cancellation 0025 // 2 conservative tail cancellation 0026 // 3 radical tail cancellation(some charge loss) 0027 0028 // calculations were done using maple 0029 // 4-pole semigaussian shaper is assumed 0030 0031 // frequency 2tp/27/exp(-3)/(stp/3+1)**3 0032 // | 0033 // \/ 0034 // time (t/tp)**3/exp(-3)*exp(-3t/tp) 0035 0036 // this time distribution was convoluted with positive ion 0037 // drift formula 0038 0039 // 1/(t0+t)*.05650 note:normalization estimated from K1 0040 // Gatti N.I.M. 163,82(1979) 0041 // where t0=2.1 nsec (GEM gas) 0042 0043 // standard tail cancellation has lowest pole removed (exp approx) 0044 // using 1 zero and 1 pole 0045 // radical tail cancellation has lowest two poles removed (exp 0046 // approx) using 2 zeros and 2 poles 0047 0048 if (theTailShaping != 0 && theTailShaping != 1 && theTailShaping != 2) { 0049 edm::LogError("CSCStripElectronicsSim") << "Bad TailShaping CSCStripElectronicsSim" << theTailShaping; 0050 return 0.; 0051 } 0052 0053 switch (theShapingTime) { 0054 /* 0055 case 10: 0056 // no tail cancellation, tp= 10,t0=2.1 0057 if (theTailShaping == NONE) { 0058 // Computing 2nd power 0059 t5 = t * t; 0060 t7 = exp(t * -.3); 0061 cat = exp(t * -.06523809524) * .2100138871 + exp(t * 0062 -.400952381) * 23.38590029 + exp(t * -.01333333333) * 0063 .02085199407 + exp(t * -.002285714286) * .004416201989 + 0064 t5 * .00345590637 * t * t7 - t5 * .1260070972 * t7 + t * 0065 2.304266717 * t7 - t7 * 23.62118237; 0066 } 0067 // tail cancellation, tp= 10,t0=2.1 0068 if (theTailShaping == CONSERVATIVE) { 0069 // Computing 2nd power 0070 t1 = t * t; 0071 t3 = exp(t * -.3); 0072 cat = t1 * .003469104089 * t * t3 - t1 * .1263548058 * t3 + t * 0073 2.310721678 * t3 - t3 * 23.68962448 + exp(t * 0074 -.01333333333) * .02323396152 + exp(t * -.400952381) * 0075 23.45252892 + exp(t * -.06523809524) * .2138615931 + 0076 exp( t * -.003418326524) * 1.274497241e-11; 0077 } 0078 // radical tail cancellation, tp= 10,t0=2.1 0079 if (theTailShaping == RADICAL) { 0080 // Computing 2nd power 0081 t1 = t * t; 0082 t3 = exp(t * -.3); 0083 cat = t1 * .003561830965 * t * t3 - t1 * .1287358512 * t3 + t * 0084 2.355429782 * t3 - t3 * 24.16270544 - exp(t * 0085 -.0207962661) * 1.717680715e-10 + exp(t * 0086 -.003418326524) 0087 * 7.271661158e-12 + exp(t * -.400952381) * 23.91293094 0088 + exp(t * -.06523809524) * .2497744869; 0089 } 0090 break; 0091 case 20: 0092 // no tail cancellation, tp= 20,t0=2.1 0093 if (theTailShaping == NONE) { 0094 // Computing 2nd power 0095 t5 = t * t; 0096 t7 = exp(t * -.15); 0097 cat = exp(t * -.06523809524) * 1.544776642 + exp(t * 0098 -.400952381) * .07655350666 + exp(t * -.01333333333) * 0099 .0504563677 + exp(t * -.002285714286) * .009108935882 + 0100 t5 * 1.849663895e-5 * t * t7 - t5 * .008530427568 * t7 - 0101 t * .1199681494 * t7 - t7 * 1.680895453; 0102 } 0103 // tail cancellation, tp= 20,t0=2.1 0104 if (theTailShaping == CONSERVATIVE) { 0105 // Computing 2nd power 0106 t1 = t * t; 0107 t3 = exp(t * -.15); 0108 cat = t1 * 1.863955948e-5 * t * t3 - t1 * .008593415697 * t3 - 0109 t * .1217545504 * t3 - t3 * 1.706070522 + exp(t * 0110 -.01333333333) * .05622010555 + exp(t * -.400952381) * 0111 .07677161489 + exp(t * -.06523809524) * 1.573078801 + 0112 exp(t * -.003418326524) * 2.669976603e-11; 0113 } 0114 // radical tail cancellation, tp= 20,t0=2.1 0115 if (theTailShaping == RADICAL) { 0116 // Computing 2nd power 0117 t1 = t * t; 0118 t3 = exp(t * -.15); 0119 cat = t1 * 1.971619848e-5 * t * t3 - t1 * .009064781071 * t3 - 0120 t * .1360836779 * t3 - t3 * 1.915518161 - exp(t * 0121 -.0207962661) * 4.682061154e-10 + exp(t * 0122 -.003418326524) 0123 * 1.523358744e-11 + exp(t * -.400952381) * .07827873625 0124 + exp(t * -.06523809524) * 1.837239425; 0125 } 0126 break; 0127 */ 0128 case 30: 0129 // no tail cancellation, tp= 30,t0=2.1 0130 if (theTailShaping == NONE) { 0131 // Computing 2nd power 0132 t5 = t * t; 0133 t7 = exp(t * -.1); 0134 cat = exp(t * -.06523809524) * 16.18007335 + exp(t * -.400952381) * .01096643477 + 0135 exp(t * -.01333333333) * .0924451733 + exp(t * -.002285714286) * .01409456303 - 0136 t5 * 7.567748611e-5 * t * t7 - t5 * .01068701841 * t7 - t * .5685389492 * t7 - t7 * 16.29757952; 0137 } 0138 // tail cancellation, tp= 30,t0=2.1 0139 if (theTailShaping == CONSERVATIVE) { 0140 // Computing 2nd power 0141 t1 = t * t; 0142 t3 = exp(t * -.1); 0143 cat = t1 * -7.656495508e-5 * t * t3 - t1 * .01083991133 * t3 - t * .5783722846 * t3 - t3 * 16.59051472 + 0144 exp(t * -.01333333333) * .1030053814 + exp(t * -.400952381) * .01099767919 + 0145 exp(t * -.06523809524) * 16.47651166 + exp(t * -.003418326524) * 4.197333487e-11; 0146 } 0147 // radical tail cancellation, tp= 30,t0=2.1 0148 if (theTailShaping == RADICAL) { 0149 // Computing 2nd power 0150 t1 = t * t; 0151 t3 = exp(t * -.1); 0152 cat = t1 * -8.37792502e-5 * t * t3 - t1 * .0121345525 * t3 - t * .6655605456 * t3 - t3 * 19.25455777 - 0153 exp(t * -.0207962661) * 9.823832281e-10 + exp(t * -.003418326524) * 2.394794269e-11 + 0154 exp(t * -.400952381) * .01121357717 + exp(t * -.06523809524) * 19.2433442; 0155 } 0156 break; 0157 /* 0158 case 40: 0159 // no tail cancellation, tp= 40,t0=2.1 0160 if (theTailShaping == NONE) { 0161 // Computing 2nd power 0162 t5 = t * t; 0163 t7 = exp(t * -.075); 0164 cat = exp(t * -.06523809524) * 1097.590331 + exp(t * 0165 -.400952381) * .003362201622 + exp(t * -.01333333333) * 0166 .1521508944 + exp(t * -.002285714286) * .01939048554 - 0167 t5 * 1.579570388e-4 * t * t7 - t5 * .05281648589 * t7 - 0168 t * 10.72426897 * t7 - t7 * 1097.765235; 0169 } 0170 // tail cancellation, tp= 40,t0=2.1 0171 if (theTailShaping == CONSERVATIVE) { 0172 // Computing 2nd power 0173 t1 = t * t; 0174 t3 = exp(t * -.075); 0175 cat = t1 * -1.604563386e-4 * t * t3 - t1 * .05375692904 * t3 - 0176 t * 10.92023147 * t3 - t3 * 1117.872403 + exp(t * 0177 -.01333333333) * .1695314135 + exp(t * -.400952381) * 0178 .003371780853 + exp(t * -.06523809524) * 1117.6995 + 0179 exp( t * -.003418326524) * 5.868522605e-11; 0180 } 0181 // radical tail cancellation, tp= 40,t0=2.1 0182 if (theTailShaping == RADICAL) { 0183 // Computing 2nd power 0184 t1 = t * t; 0185 t3 = exp(t * -.075); 0186 cat = t1 * -1.825484488e-4 * t * t3 - t1 * .06238107065 * t3 - 0187 t * 12.7419738 * t3 - t3 * 1305.393597 - exp(t * 0188 -.0207962661) * 1.889428819e-9 + exp(t * -.003418326524) 0189 * 3.348293469e-11 + exp(t * -.400952381) * .003437973064 0190 + exp(t * -.06523809524) * 1305.390159; 0191 } 0192 break; 0193 case 50: 0194 // no tail cancellation, tp= 50,t0=2.1 0195 if (theTailShaping == NONE) { 0196 // Computing 2nd power 0197 t5 = t * t; 0198 t7 = exp(t * -.06); 0199 cat = exp(t * -.06523809524) * 6778.833027 + exp(t * 0200 -.400952381) * .001437922352 + exp(t * -.01333333333) * 0201 .237530423 + exp(t * -.002285714286) * .02501521924 + t5 0202 * 1.670506271e-4 * t * t7 - t5 * .09338148045 * t7 + t * 0203 35.49613478 * t7 - t7 * 6779.097011; 0204 } 0205 // tail cancellation, tp= 50,t0=2.1 0206 if (theTailShaping == CONSERVATIVE) { 0207 // Computing 2nd power 0208 t1 = t * t; 0209 t3 = exp(t * -.06); 0210 cat = t1 * 1.703945294e-4 * t * t3 - t1 * .09507342939 * t3 + t 0211 * 36.14686596 * t3 - t3 * 6903.29548 + exp(t * 0212 -.01333333333) * .2646640264 + exp(t * -.400952381) * 0213 .001442019131 + exp(t * -.06523809524) * 6903.029373 + 0214 exp(t * -.003418326524) * 7.696672009e-11; 0215 } 0216 // radical tail cancellation, tp= 50,t0=2.1 0217 if (theTailShaping == RADICAL) { 0218 // Computing 2nd power 0219 t1 = t * t; 0220 t3 = exp(t * -.06); 0221 cat = t1 * 2.028313098e-4 * t * t3 - t1 * .1106897038 * t3 + t * 0222 42.23121193 * t3 - t3 * 8062.228042 - exp(t * 0223 -.0207962661) * 3.535147864e-9 + exp(t * -.003418326524) 0224 * 4.391346571e-11 + exp(t * -.400952381) * .001470327741 0225 + exp(t * -.06523809524) * 8062.226572; 0226 } 0227 break; 0228 case 60: 0229 // no tail cancellation, tp= 60,t0=2.1 0230 if (theTailShaping == NONE) { 0231 // Computing 2nd power 0232 t5 = t * t; 0233 t7 = exp(t * -.05); 0234 cat = exp(t * -.06523809524) * 54.77495457 + exp(t * 0235 -.400952381) * 7.412655802e-4 + exp(t * -.01333333333) * 0236 .3606757184 + exp(t * -.002285714286) * .03098847247 + 0237 t5 * 3.411745868e-5 * t * t7 - t5 * .006682738979 * t7 + 0238 t * .8202227541 * t7 - t7 * 55.16736002; 0239 } 0240 // tail cancellation, tp= 60,t0=2.1 0241 if (theTailShaping == CONSERVATIVE) { 0242 // Computing 2nd power 0243 t1 = t * t; 0244 t3 = exp(t * -.05); 0245 cat = t1 * 3.494700919e-5 * t * t3 - t1 * .006791801191 * t3 + 0246 t * .8354834745 * t3 - t3 * 56.18111721 + exp(t * 0247 -.01333333333) * .40187647 + exp(t * -.400952381) * 0248 7.433775162e-4 + exp(t * -.06523809524) * 55.77849736 + 0249 exp(t * -.003418326524) * 9.696210758e-11; 0250 } 0251 // radical tail cancellation, tp= 60,t0=2.1 0252 if (theTailShaping == RADICAL) { 0253 // Computing 2nd power 0254 t1 = t * t; 0255 t3 = exp(t * -.05); 0256 cat = t1 * 4.387761992e-5 * t * t3 - t1 * .007610015855 * t3 + 0257 t * .9929540112 * t3 - t3 * 65.14590792 - exp(t * 0258 -.0207962661) * 6.643853476e-9 + exp(t * -.003418326524) 0259 * 5.532186095e-11 + exp(t * -.400952381) * 7.57970932e-4 0260 + exp(t * -.06523809524) * 65.14514995; 0261 } 0262 break; 0263 case 70: 0264 // no tail cancellation, tp= 70,t0=2.1 0265 if (theTailShaping == NONE) { 0266 // Computing 2nd power 0267 t5 = t * t; 0268 t7 = exp(t * -.04285714286); 0269 cat = exp(t * -.06523809524) * 7.412251365 + exp(t * 0270 -.400952381) * 4.306575393e-4 + exp(t * -.01333333333) * 0271 .5403469187 + exp(t * -.002285714286) * .03733123063 + 0272 t5 * 1.441232259e-5 * t * t7 - t5 * .002150258989 * t7 + 0273 t * .1485797804 * t7 - t7 * 7.990360172; 0274 } 0275 // tail cancellation, tp= 70,t0=2.1 0276 if (theTailShaping == CONSERVATIVE) { 0277 // Computing 2nd power 0278 t1 = t * t; 0279 t3 = exp(t * -.04285714286); 0280 cat = t1 * 1.48262187e-5 * t * t3 - t1 * .002180526664 * t3 + t 0281 * .1513118077 * t3 - t3 * 8.150556465 + exp(t * 0282 -.01333333333) * .6020718923 + exp(t * -.400952381) * 0283 4.318845237e-4 + exp(t * -.06523809524) * 7.548052688 + 0284 exp(t * -.003418326524) * 1.188301202e-10; 0285 } 0286 // radical tail cancellation, tp= 70,t0=2.1 0287 if (theTailShaping == RADICAL) { 0288 // Computing 2nd power 0289 t1 = t * t; 0290 t3 = exp(t * -.04285714286); 0291 cat = t1 * 1.984175252e-5 * t * t3 - t1 * .00223612384 * t3 + t 0292 * .1974584549 * t3 - t3 * 8.816006345 - exp(t * 0293 -.0207962661) * 1.284819542e-8 + exp(t * -.003418326524) 0294 * 6.779868504e-11 + exp(t * -.400952381) * 4.40362949e-4 0295 + exp(t * -.06523809524) * 8.815565996; 0296 } 0297 break; 0298 case 80: 0299 // no tail cancellation, tp= 80,t0=2.1 0300 if (theTailShaping == NONE) { 0301 // Computing 2nd power 0302 t5 = t * t; 0303 t7 = exp(t * -.0375); 0304 cat = exp(t * -.06523809524) * 2.104660307 + exp(t * 0305 -.400952381) * 2.718693973e-4 + exp(t * -.01333333333) * 0306 .806342238 + exp(t * -.002285714286) * .04406584799 + t5 0307 * 7.444156851e-6 * t * t7 - t5 * .00109040647 * t7 + t * 0308 .03743972817 * t7 - t7 * 2.955340262; 0309 } 0310 // tail cancellation, tp= 80,t0=2.1 0311 if (theTailShaping == CONSERVATIVE) { 0312 // Computing 2nd power 0313 t1 = t * t; 0314 t3 = exp(t * -.0375); 0315 cat = t1 * 7.69154327e-6 * t * t3 - t1 * .001104867276 * t3 + t 0316 * .0378353391 * t3 - t3 * 3.041945271 + exp(t * 0317 -.01333333333) * .8984524213 + exp(t * -.400952381) * 0318 2.726439789e-4 + exp(t * -.06523809524) * 2.143220205 + 0319 exp(t * -.003418326524) * 1.42745537e-10; 0320 } 0321 // radical tail cancellation, tp= 80,t0=2.1 0322 if (theTailShaping == RADICAL) { 0323 // Computing 2nd power 0324 t1 = t * t; 0325 t3 = exp(t * -.0375); 0326 cat = t1 * 1.112798871e-5 * t * t3 - t1 * 9.813148933e-4 * t3 + 0327 t * .06953288418 * t3 - t3 * 2.503400292 - exp(t * 0328 -.0207962661) * 2.618804719e-8 + exp(t * -.003418326524) 0329 * 8.144365827e-11 + exp(t * -.400952381) * 0330 2.779963161e-4 + exp(t * -.06523809524) * 2.50312232; 0331 } 0332 break; 0333 case 90: 0334 // no tail cancellation, tp= 90,t0=2.1 0335 if (theTailShaping == NONE) { 0336 // Computing 2nd power 0337 t5 = t * t; 0338 t7 = exp(t * -.03333333333); 0339 cat = exp(t * -.06523809524) * .8445180788 + exp(t * 0340 -.400952381) * 1.824319111e-4 + exp(t * -.01333333333) * 0341 1.207282396 + exp(t * -.002285714286) * .051216146 + t5 0342 * 4.216536082e-6 * t * t7 - t5 * 7.082920848e-4 * t7 + t 0343 * .001275426356 * t7 - t7 * 2.103199053; 0344 } 0345 // tail cancellation, tp= 90,t0=2.1 0346 if (theTailShaping == CONSERVATIVE) { 0347 // Computing 2nd power 0348 t1 = t * t; 0349 t3 = exp(t * -.03333333333); 0350 cat = t1 * 4.376178381e-6 * t * t3 - t1 * 7.190991486e-4 * t3 + 0351 t * 6.011974229e-4 * t3 - t3 * 2.205366435 + exp(t * 0352 -.01333333333) * 1.345192821 + exp(t * -.400952381) * 0353 1.829516768e-4 + exp(t * -.06523809524) * .8599906622 + 0354 exp(t * -.003418326524) * 1.68900989e-10; 0355 } 0356 // radical tail cancellation, tp= 90,t0=2.1 0357 if (theTailShaping == RADICAL) { 0358 // Computing 2nd power 0359 t1 = t * t; 0360 t3 = exp(t * -.03333333333); 0361 cat = t1 * 6.981183555e-6 * t * t3 - t1 * 5.238041184e-4 * t3 + 0362 t * .03211389084 * t3 - t3 * 1.004591827 - exp(t * 0363 -.0207962661) * 5.795834545e-8 + exp(t * -.003418326524) 0364 * 9.636668658e-11 + exp(t * -.400952381) * 0365 1.865432436e-4 + exp(t * -.06523809524) * 1.004405341; 0366 } 0367 break; 0368 */ 0369 case 100: 0370 // no tail cancellation, tp=100,t0=2.1 0371 if (theTailShaping == NONE) { 0372 // Computing 2nd power 0373 t5 = t * t; 0374 t7 = exp(t * -.03); 0375 cat = exp(t * -.06523809524) * .4137221868 + exp(t * -.400952381) * 1.282766787e-4 + 0376 exp(t * -.01333333333) * 1.824993745 + exp(t * -.002285714286) * .05880752038 + 0377 t5 * 2.491640871e-6 * t * t7 - t5 * 5.417458918e-4 * t7 - t * .01742000448 * t7 - t7 * 2.297651729; 0378 } 0379 // tail cancellation, tp=100,t0=2.1 0380 if (theTailShaping == CONSERVATIVE) { 0381 // Computing 2nd power 0382 t1 = t * t; 0383 t3 = exp(t * -.03); 0384 cat = t1 * 2.597806608e-6 * t * t3 - t1 * 5.528471798e-4 * t3 - t * .0189975081 * t3 - t3 * 2.454897362 + 0385 exp(t * -.01333333333) * 2.033466647 + exp(t * -.400952381) * 1.28642151e-4 + 0386 exp(t * -.06523809524) * .4213020729 + exp(t * -.003418326524) * 1.975089906e-10; 0387 } 0388 // radical tail cancellation, tp=100,t0=2.1 0389 if (theTailShaping == RADICAL) { 0390 // Computing 2nd power 0391 t1 = t * t; 0392 t3 = exp(t * -.03); 0393 cat = t1 * 4.704262123e-6 * t * t3 - t1 * 3.14519427e-4 * t3 + t * .01738754854 * t3 - t3 * .4921806115 - 0394 exp(t * -.0207962661) * 1.454692205e-7 + exp(t * -.003418326524) * 1.126890204e-10 + 0395 exp(t * -.400952381) * 1.311675549e-4 + exp(t * -.06523809524) * .4920495894; 0396 } 0397 break; 0398 /* 0399 case 150: 0400 // no tail cancellation, tp=150,t0=2.1 0401 if (theTailShaping == NONE) { 0402 // Computing 2nd power 0403 t5 = t * t; 0404 t7 = exp(t * -.02); 0405 cat = exp(t * -.06523809524) * .0451302243 + exp(t * 0406 -.400952381) * 3.417148182e-5 + exp(t * -.01333333333) * 0407 21.12261275 + exp(t * -.002285714286) * .1043948969 - t5 0408 * 1.285903907e-7 * t * t7 - t5 * 5.344294733e-4 * t7 - 0409 t * .1406120762 * t7 - t7 * 21.27217204; 0410 } 0411 // tail cancellation, tp=150,t0=2.1 0412 if (theTailShaping == CONSERVATIVE) { 0413 // Computing 2nd power 0414 t1 = t * t; 0415 t3 = exp(t * -.02); 0416 cat = t1 * -1.373737668e-7 * t * t3 - t1 * 5.725228237e-4 * t3 - 0417 t * .1548112258 * t3 - t3 * 23.58148492 + exp(t * 0418 -.01333333333) * 23.5354936 + exp(t * -.400952381) * 0419 3.426883961e-5 + exp(t * -.06523809524) * .04595706409 + 0420 exp(t * -.003418326524) * 3.864816979e-10; 0421 } 0422 // radical tail cancellation, tp=150,t0=2.1 0423 if (theTailShaping == RADICAL) { 0424 // Computing 2nd power 0425 t1 = t * t; 0426 t3 = exp(t * -.02); 0427 cat = t1 * 1.150149576e-6 * t * t3 - t1 * 5.745717877e-5 * t3 + 0428 t * .00244082808 * t3 - t3 * .05294004164 - exp(t * 0429 -.0207962661) * 7.693441476e-4 + exp(t * -.003418326524) 0430 * 2.205076529e-10 + exp(t * -.400952381) * 0431 3.494157914e-5 + exp(t * -.06523809524) * .05367444399; 0432 } 0433 break; 0434 case 200: 0435 // no tail cancellation, tp=200,t0=2.1 0436 if (theTailShaping == NONE) { 0437 // Computing 2nd power 0438 t5 = t * t; 0439 t7 = exp(t * -.015); 0440 cat = exp(t * -.06523809524) * .01251802645 + exp(t * 0441 -.400952381) * 1.36834457e-5 + exp(t * -.01333333333) * 0442 2281.242177 + exp(t * -.002285714286) * .1659547829 - t5 0443 * 1.421417147e-6 * t * t7 - t5 * .003198621512 * t7 - t 0444 * 3.803546128 * t7 - t7 * 2281.420663; 0445 } 0446 // tail cancellation, tp=200,t0=2.1 0447 if (theTailShaping == CONSERVATIVE) { 0448 // Computing 2nd power 0449 t1 = t * t; 0450 t3 = exp(t * -.015); 0451 cat = t1 * -1.560422488e-6 * t * t3 - t1 * .003547432409 * t3 - 0452 t * 4.235743145 * t3 - t3 * 2541.846068 + exp(t * 0453 -.01333333333) * 2541.833308 + exp(t * -.400952381) * 0454 1.372243114e-5 + exp(t * -.06523809524) * .01274737169 + 0455 exp(t * -.003418326524) * 6.850793727e-10; 0456 } 0457 // radical tail cancellation, tp=200,t0=2.1 0458 if (theTailShaping == RADICAL) { 0459 // Computing 2nd power 0460 t1 = t * t; 0461 t3 = exp(t * -.015); 0462 cat = t1 * 4.486861205e-7 * t * t3 - t1 * 1.982974483e-5 * t3 + 0463 t * 7.533435174e-4 * t3 - t3 * .01490186176 - exp(t * 0464 -.0207962661) * 1.155963393e-7 + exp(t * -.003418326524) 0465 * 3.908729581e-10 + exp(t * -.400952381) * 0466 1.399181936e-5 + exp(t * -.06523809524) * .01488798515; 0467 } 0468 break; 0469 case 250: 0470 // no tail cancellation, tp=250,t0=2.1 0471 if (theTailShaping == NONE) { 0472 // Computing 2nd power 0473 t5 = t * t; 0474 t7 = exp(t * -.012); 0475 cat = exp(t * -.06523809524) * .005082161364 + exp(t * 0476 -.400952381) * 6.792264583e-6 + exp(t * -.01333333333) * 0477 2851.552722 + exp(t * -.002285714286) * .2493354963 + t5 0478 * 1.282866561e-6 * t * t7 - t5 * .002554194047 * t7 + t 0479 * 3.799921386 * t7 - t7 * 2851.807146; 0480 } 0481 // tail cancellation, tp=250,t0=2.1 0482 if (theTailShaping == CONSERVATIVE) { 0483 // Computing 2nd power 0484 t1 = t * t; 0485 t3 = exp(t * -.012); 0486 cat = t1 * 1.452179735e-6 * t * t3 - t1 * .0028321086 * t3 + t * 0487 4.236667018 * t3 - t3 * 3177.296817 + exp(t * 0488 -.01333333333) * 3177.291635 + exp(t * -.400952381) * 0489 6.811616389e-6 + exp(t * -.06523809524) * .005175272648 0490 + exp(t * -.003418326524) * 1.163611956e-9; 0491 } 0492 // radical tail cancellation, tp=250,t0=2.1 0493 if (theTailShaping == RADICAL) { 0494 // Computing 2nd power 0495 t1 = t * t; 0496 t3 = exp(t * -.012); 0497 cat = t1 * 2.201206315e-7 * t * t3 - t1 * 9.091071906e-6 * t3 + 0498 t * 3.244901734e-4 * t3 - t3 * .006051269645 - exp(t * 0499 -.0207962661) * 1.115870681e-8 + exp(t * -.003418326524) 0500 * 6.639003673e-10 + exp(t * -.400952381) * 0501 6.945336809e-6 + exp(t * -.06523809524) * .006044334803; 0502 } 0503 break; 0504 case 300: 0505 // no tail cancellation, tp=300,t0=2.1 0506 if (theTailShaping == NONE) { 0507 // Computing 2nd power 0508 t5 = t * t ; 0509 t7 = exp(t * -.01); 0510 cat = exp(t * -.06523809524) * .002537698188 + exp(t * 0511 -.400952381) * 3.850890276e-6 + exp(t * -.01333333333) * 0512 42.24522552 + exp(t * -.002285714286) * .3628281578 + t5 0513 * 3.42649397e-7 * t * t7 - t5 * 2.496575507e-4 * t7 + t 0514 * .1381601414 * t7 - t7 * 42.61059522; 0515 } 0516 // tail cancellation, tp=300,t0=2.1 0517 if (theTailShaping == CONSERVATIVE) { 0518 // Computing 2nd power 0519 t1 = t * t; 0520 t3 = exp(t * -.01); 0521 cat = t1 * 4.016144767e-7 * t * t3 - t1 * 2.657431191e-4 * t3 + 0522 t * .1570475462 * t3 - t3 * 47.07357524 + exp(t * 0523 -.01333333333) * 47.07098718 + exp(t * -.400952381) * 0524 3.861861828e-6 + exp(t * -.06523809524) * .002584191857 0525 + exp(t * -.003418326524) * 1.946287754e-9; 0526 } 0527 // radical tail cancellation, tp=300,t0=2.1 0528 if (theTailShaping == RADICAL) { 0529 // Computing 2nd power 0530 t1 = t * t; 0531 t3 = exp(t * -.01); 0532 cat = t1 * 1.239979555e-7 * t * t3 - t1 * 4.905476843e-6 * t3 + 0533 t * 1.682559598e-4 * t3 - t3 * .00302208046 - exp(t * 0534 -.0207962661) * 2.845569802e-9 + exp(t * -.003418326524) 0535 * 1.110457097e-9 + exp(t * -.400952381) * 3.937674932e-6 0536 + exp(t * -.06523809524) * .00301814452; 0537 } 0538 break; 0539 */ 0540 default: 0541 edm::LogError("CSCStripElectronicsSim") << "Bad shaping time CSCStripElectronicsSim " << theShapingTime; 0542 break; 0543 } 0544 return cat; 0545 }
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