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noepalm committed Apr 9, 2024
1 parent 6d4465f commit d293345
Showing 1 changed file with 6 additions and 12 deletions.
18 changes: 6 additions & 12 deletions RecoMTD/TrackExtender/plugins/TrackExtenderWithMTD.cc
Original file line number Diff line number Diff line change
Expand Up @@ -309,8 +309,7 @@ namespace {
tofpid.dterror2 = tofpid.tmtderror * tofpid.tmtderror + t_vtx_err * t_vtx_err;
tofpid.betaerror = 0.f;
if (addPIDError) {
tofpid.dterror2 = tofpid.dterror2 + (tofpid.dt_p - tofpid.dt_pi) *
(tofpid.dt_p - tofpid.dt_pi);
tofpid.dterror2 = tofpid.dterror2 + (tofpid.dt_p - tofpid.dt_pi) * (tofpid.dt_p - tofpid.dt_pi);
tofpid.betaerror = tofpid.beta_p - tofpid.beta_pi;
} else {
// only add sigma(TOF) if not considering mass hp. uncertainty
Expand All @@ -330,17 +329,12 @@ namespace {

if (!addPIDError) {
//*TODO* deal with heavier nucleons and/or BSM case here?
const float dterror2_wo_sigmatof =
tofpid.dterror2 - tofpid.sigma_dt_pi * tofpid.sigma_dt_pi;
const float dterror2_wo_sigmatof = tofpid.dterror2 - tofpid.sigma_dt_pi * tofpid.sigma_dt_pi;
float chi2_pi = tofpid.dtchi2;
float chi2_k =
(tofpid.tmtd - tofpid.dt_k - t_vtx) *
(tofpid.tmtd - tofpid.dt_k - t_vtx) /
(dterror2_wo_sigmatof + tofpid.sigma_dt_k * tofpid.sigma_dt_k);
float chi2_p =
(tofpid.tmtd - tofpid.dt_p - t_vtx) *
(tofpid.tmtd - tofpid.dt_p - t_vtx) /
(dterror2_wo_sigmatof + tofpid.sigma_dt_p * tofpid.sigma_dt_p);
float chi2_k = (tofpid.tmtd - tofpid.dt_k - t_vtx) * (tofpid.tmtd - tofpid.dt_k - t_vtx) /
(dterror2_wo_sigmatof + tofpid.sigma_dt_k * tofpid.sigma_dt_k);
float chi2_p = (tofpid.tmtd - tofpid.dt_p - t_vtx) * (tofpid.tmtd - tofpid.dt_p - t_vtx) /
(dterror2_wo_sigmatof + tofpid.sigma_dt_p * tofpid.sigma_dt_p);

float rawprob_pi = exp(-0.5f * chi2_pi);
float rawprob_k = exp(-0.5f * chi2_k);
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