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IOTOF: add in-pixel efficiency - #15786

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njacazio merged 5 commits into
AliceO2Group:devfrom
GiorgioAlbertoLucia:iotof-digi
Sep 13, 2026
Merged

njacazio merged 5 commits into
AliceO2Group:devfrom
GiorgioAlbertoLucia:iotof-digi

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@GiorgioAlbertoLucia

@GiorgioAlbertoLucia GiorgioAlbertoLucia commented Sep 11, 2026

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Add in-pixel efficiency taken from a reference map obtained at test beams. The map is currently available at
/alice/cern.ch/user/g/glucia/ALICE3/IOTOF/pixelEfficiency/PixelEfficiencyMap_TH2.root

The residual distribution of the digit-to-hit position is used as a proxy of the efficiency to display the effect. Uniform distribution when the efficiency is flat
Screenshot 2026-09-11 at 10 21 40
(x-axis: residual in z [cm], y-axis: residual in x [cm]) --> the distribution of digits is flat
Screenshot 2026-09-11 at 10 22 50
(x-axis: residual in z [cm], y-axis: residual in x [cm]) --> the distribution of digits is less populated at the edges, where the loss in efficiency is introduced

@maciacco @Marcellocosti

@GiorgioAlbertoLucia
GiorgioAlbertoLucia marked this pull request as ready for review September 11, 2026 08:27
njacazio
njacazio previously approved these changes Sep 11, 2026
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njacazio enabled auto-merge (squash) September 11, 2026 08:44
@GiorgioAlbertoLucia
GiorgioAlbertoLucia marked this pull request as draft September 11, 2026 08:48
auto-merge was automatically disabled September 11, 2026 08:48

Pull request was converted to draft

@maciacco

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thanks @GiorgioAlbertoLucia looks ok

@GiorgioAlbertoLucia
GiorgioAlbertoLucia marked this pull request as ready for review September 11, 2026 09:23
@njacazio
njacazio enabled auto-merge (squash) September 11, 2026 10:17
@maciacco

maciacco commented Sep 13, 2026

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@njacazio could you re-approve this? Thanks!

@njacazio
njacazio merged commit b122c5f into AliceO2Group:dev Sep 13, 2026
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3 participants