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[PWGLF] Make sure that B field is updated in reduced 3 body creator #12778

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Merged
maciacco merged 1 commit into from
Aug 28, 2025
Merged

[PWGLF] Make sure that B field is updated in reduced 3 body creator #12778

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3 changes: 2 additions & 1 deletion PWGLF/TableProducer/Nuspex/reduced3bodyCreator.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,7 @@
#include <vector>

#ifndef HomogeneousField
#define HomogeneousField

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[name/macro] 

Use SCREAMING_SNAKE_CASE for names of macros. Leading and double underscores are not allowed.
#endif

// includes KFParticle
Expand All @@ -75,7 +75,7 @@
using TrackExtIUwithEvTimes = soa::Join<FullTracksExtIU, aod::EvTimeTOFFT0ForTrack>;
using TrackExtPIDIUwithEvTimes = soa::Join<FullTracksExtPIDIU, aod::EvTimeTOFFT0ForTrack>;

struct reduced3bodyCreator {

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[name/struct] 

Use UpperCamelCase for names of structs.

Produces<aod::RedCollisions> reducedCollisions;
Produces<aod::RedPVMults> reducedPVMults;
Expand Down Expand Up @@ -181,8 +181,9 @@
mRunNumber = bc.runNumber();

// In case override, don't proceed, please - no CCDB access required
auto run3grp_timestamp = bc.timestamp();

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
o2::parameters::GRPMagField* grpmag = ccdb->getForTimeStamp<o2::parameters::GRPMagField>(grpmagPath, run3grp_timestamp);
ccdb->clearCache(grpmagPath);
o2::parameters::GRPMagField* grpmag = ccdb->getSpecific<o2::parameters::GRPMagField>(grpmagPath, run3grp_timestamp);
if (!grpmag) {
LOG(fatal) << "Got nullptr from CCDB for path " << grpmagPath << " of object GRPMagField and " << grpPath << " of object GRPObject for timestamp " << run3grp_timestamp;
}
Expand Down Expand Up @@ -232,7 +233,7 @@
{
// Construct 3body vertex
int nDaughters3body = 3;
const KFParticle* Daughters3body[3] = {&kfpProton, &kfpPion, &kfpDeuteron};

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
KFHt.SetConstructMethod(2);
try {
KFHt.Construct(Daughters3body, nDaughters3body);
Expand Down Expand Up @@ -274,7 +275,7 @@
continue;
}
registry.fill(HIST("hEventCounter"), 1.5);
if (doPosZselection && (collision.posZ() >= 10.0f || collision.posZ() <= -10.0f)) { // 10cm

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}
registry.fill(HIST("hEventCounter"), 2.5);
Expand Down Expand Up @@ -302,7 +303,7 @@
if (doSel8selection && !collision.sel8()) {
continue;
}
if (doPosZselection && (collision.posZ() >= 10.0f || collision.posZ() <= -10.0f)) { // 10cm

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[magic-number] 

Avoid magic numbers in expressions. Assign the value to a clearly named variable or constant.
continue;
}

Expand Down Expand Up @@ -369,7 +370,7 @@
kfpDeuteron = createKFParticleFromTrackParCov(trackParCovBach, daughter2.sign(), constants::physics::MassDeuteron);
// fit 3body vertex and caclulate radius, phi, z position
float radius, phi, posZ;
KFParticle KFHt;

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
if (fit3bodyVertex(kfpProton, kfpPion, kfpDeuteron, KFHt)) {
radius = std::hypot(KFHt.GetX(), KFHt.GetY());
phi = std::atan2(KFHt.GetPx(), KFHt.GetPy());
Expand All @@ -381,9 +382,9 @@
}

// -------- get decay3body info with DCA fitter --------
auto Track0 = getTrackParCov(daughter0);

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
auto Track1 = getTrackParCov(daughter1);

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
auto Track2 = getTrackParCov(daughter2);

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[name/function-variable] 

Use lowerCamelCase for names of functions and variables.
int n3bodyVtx = fitter3body.process(Track0, Track1, Track2);
float phiVtx, rVtx, zVtx;
if (n3bodyVtx == 0) { // discard this pair
Expand Down
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