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[PWGCF] radialFlowDecorr: azimuthal-region C_TA maps, Q-vector recentring, vertex and time-split systematics - #18686

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fsii merged 1 commit into
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somabhatta:radial-flow-decorr-azi-vz
Nov 11, 2026
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fsii merged 1 commit into
AliceO2Group:masterfrom
somabhatta:radial-flow-decorr-azi-vz

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Implementation of following changes to radial flow decorrelation code:

  • C_TA = (C_T + 2C_A)/3 maps and momentum-weighted harmonics c_n, d_n per eta pair (cfgAziTA); <q_n>, <o_n> recentring offsets in the Mean pass
  • N-N covariance and forward-forward amplitude covariance maps
  • New systematic variations: VzCentred (|z - cfgSystVzCentre| < 8 cm, off when the centre is 0), VzPos (z >= 0), VzNeg (z < 0), bits 16-18 of cfgSystMask
  • Flat variation split into early/late runs (cfgFlatRunSplit, processGetDataFlat)

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@fsii
fsii merged commit 661a4e3 into AliceO2Group:master Nov 11, 2026
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