diff --git a/PWGEM/Dilepton/Tasks/dileptonPolarization.cxx b/PWGEM/Dilepton/Tasks/dileptonPolarization.cxx index b0135c0cca2..d16b8e5ea01 100644 --- a/PWGEM/Dilepton/Tasks/dileptonPolarization.cxx +++ b/PWGEM/Dilepton/Tasks/dileptonPolarization.cxx @@ -78,6 +78,7 @@ struct DileptonPolarization { ConfigurableAxis ConfEPBins{"ConfEPBins", {1, -M_PI / 2, +M_PI / 2}, "Mixing bins - event plane angle"}; ConfigurableAxis ConfOccupancyBins{"ConfOccupancyBins", {VARIABLE_WIDTH, -1, 1e+10}, "Mixing bins - occupancy"}; Configurable cfgPolarizationFrame{"cfgPolarizationFrame", 0, "frame of polarization. 0:CS, 1:HX, else:FATAL"}; + Configurable cfgUseAbs{"cfgUseAbs", false, "flag to use absolute value for cos_theta and phi"}; // this is to increase statistics per bin. ConfigurableAxis ConfMllBins{"ConfMllBins", {VARIABLE_WIDTH, 0.00, 0.01, 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.11, 0.12, 0.13, 0.14, 0.15, 0.16, 0.17, 0.18, 0.19, 0.20, 0.21, 0.22, 0.23, 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.30, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36, 0.37, 0.38, 0.39, 0.40, 0.41, 0.42, 0.43, 0.44, 0.45, 0.46, 0.47, 0.48, 0.49, 0.50, 0.51, 0.52, 0.53, 0.54, 0.55, 0.56, 0.57, 0.58, 0.59, 0.60, 0.61, 0.62, 0.63, 0.64, 0.65, 0.66, 0.67, 0.68, 0.69, 0.70, 0.71, 0.72, 0.73, 0.74, 0.75, 0.76, 0.77, 0.78, 0.79, 0.80, 0.81, 0.82, 0.83, 0.84, 0.85, 0.86, 0.87, 0.88, 0.89, 0.90, 0.91, 0.92, 0.93, 0.94, 0.95, 0.96, 0.97, 0.98, 0.99, 1.00, 1.01, 1.02, 1.03, 1.04, 1.05, 1.06, 1.07, 1.08, 1.09, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.10, 2.20, 2.30, 2.40, 2.50, 2.60, 2.70, 2.75, 2.80, 2.85, 2.90, 2.95, 3.00, 3.05, 3.10, 3.15, 3.20, 3.25, 3.30, 3.35, 3.40, 3.45, 3.50, 3.55, 3.60, 3.65, 3.70, 3.75, 3.80, 3.85, 3.90, 3.95, 4.00, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5, 8.00, 8.10, 8.20, 8.30, 8.40, 8.50, 8.60, 8.70, 8.80, 8.90, 9.00, 9.10, 9.20, 9.30, 9.40, 9.50, 9.60, 9.70, 9.80, 9.90, 10.00, 10.10, 10.20, 10.30, 10.40, 10.50, 10.60, 10.70, 10.80, 10.90, 11.00, 11.1, 11.2, 11.3, 11.4, 11.50, 11.6, 11.7, 11.8, 11.9, 12.0}, "mll bins for output histograms"}; ConfigurableAxis ConfPtllBins{"ConfPtllBins", {VARIABLE_WIDTH, 0.00, 0.10, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.10, 1.20, 1.30, 1.40, 1.50, 1.60, 1.70, 1.80, 1.90, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00}, "pTll bins for output histograms"}; @@ -175,6 +176,8 @@ struct DileptonPolarization { } else if (cfgPairType.value == static_cast(o2::aod::pwgem::dilepton::utils::pairutil::DileptonPairType::kDimuon)) { leptonM1 = o2::constants::physics::MassMuon; leptonM2 = o2::constants::physics::MassMuon; + } else { + LOG(fatal) << "Please select either dielectron or dimuon"; } if (ConfVtxBins.value[0] == VARIABLE_WIDTH) { @@ -488,6 +491,11 @@ struct DileptonPolarization { o2::math_utils::bringToPMPi(phiPol); float quadmom = (3.f * std::pow(cos_thetaPol, 2) - 1.f) / 2.f; + if (cfgUseAbs) { + cos_thetaPol = std::fabs(cos_thetaPol); + phiPol = std::fabs(phiPol); + } + if (dilepton.sign1() * dilepton.sign2() < 0) { // ULS fRegistry.fill(HIST("Pair/") + HIST(event_pair_types[ev_id]) + HIST("uls/hs"), v12.M(), v12.Pt(), pair_dca, v12.Rapidity(), cos_thetaPol, phiPol, quadmom, weight); } else if (dilepton.sign1() > 0 && dilepton.sign2() > 0) { // LS++ @@ -711,7 +719,7 @@ struct DileptonPolarization { auto empair2 = std::get<4>(pair2); auto arrM = std::array{static_cast(empair2.px()), static_cast(empair2.py()), static_cast(empair2.pz()), static_cast(empair2.mass())}; - float cos_thetaPol = 999, phiPol = 999.f; + float cos_thetaPol = 999.f, phiPol = 999.f; if (cfgPolarizationFrame == 0) { o2::aod::pwgem::dilepton::utils::pairutil::getAngleCS(arrM, arrD, beamE1, beamE2, beamP1, beamP2, cos_thetaPol, phiPol); } else if (cfgPolarizationFrame == 1) { @@ -719,6 +727,10 @@ struct DileptonPolarization { } o2::math_utils::bringToPMPi(phiPol); float quadmom = (3.f * std::pow(cos_thetaPol, 2) - 1.f) / 2.f; + if (cfgUseAbs) { + cos_thetaPol = std::fabs(cos_thetaPol); + phiPol = std::fabs(phiPol); + } fRegistry.fill(HIST("Pair/mix/uls/hs"), empair1.mass(), empair1.pt(), empair1.getPairDCA(), empair1.rapidity(), cos_thetaPol, phiPol, quadmom, weight); } } // end of ULS @@ -760,7 +772,7 @@ struct DileptonPolarization { auto empair2 = std::get<4>(pair2); auto arrM = std::array{static_cast(empair2.px()), static_cast(empair2.py()), static_cast(empair2.pz()), static_cast(empair2.mass())}; - float cos_thetaPol = 999, phiPol = 999.f; + float cos_thetaPol = 999.f, phiPol = 999.f; if (cfgPolarizationFrame == 0) { o2::aod::pwgem::dilepton::utils::pairutil::getAngleCS(arrM, arrD, beamE1, beamE2, beamP1, beamP2, cos_thetaPol, phiPol); } else if (cfgPolarizationFrame == 1) { @@ -768,6 +780,10 @@ struct DileptonPolarization { } o2::math_utils::bringToPMPi(phiPol); float quadmom = (3.f * std::pow(cos_thetaPol, 2) - 1.f) / 2.f; + if (cfgUseAbs) { + cos_thetaPol = std::fabs(cos_thetaPol); + phiPol = std::fabs(phiPol); + } fRegistry.fill(HIST("Pair/mix/lspp/hs"), empair1.mass(), empair1.pt(), empair1.getPairDCA(), empair1.rapidity(), cos_thetaPol, phiPol, quadmom, weight); } } // end of LS++ @@ -809,7 +825,7 @@ struct DileptonPolarization { auto empair2 = std::get<4>(pair2); auto arrM = std::array{static_cast(empair2.px()), static_cast(empair2.py()), static_cast(empair2.pz()), static_cast(empair2.mass())}; - float cos_thetaPol = 999, phiPol = 999.f; + float cos_thetaPol = 999.f, phiPol = 999.f; if (cfgPolarizationFrame == 0) { o2::aod::pwgem::dilepton::utils::pairutil::getAngleCS(arrM, arrD, beamE1, beamE2, beamP1, beamP2, cos_thetaPol, phiPol); } else if (cfgPolarizationFrame == 1) { @@ -817,6 +833,10 @@ struct DileptonPolarization { } o2::math_utils::bringToPMPi(phiPol); float quadmom = (3.f * std::pow(cos_thetaPol, 2) - 1.f) / 2.f; + if (cfgUseAbs) { + cos_thetaPol = std::fabs(cos_thetaPol); + phiPol = std::fabs(phiPol); + } fRegistry.fill(HIST("Pair/mix/lsmm/hs"), empair1.mass(), empair1.pt(), empair1.getPairDCA(), empair1.rapidity(), cos_thetaPol, phiPol, quadmom, weight); } } // end of LS--