[PWGDQ] use correct momentum scaling when computing invariant mass#16365
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The mu+mu- invariant mass from global forward tracks in now computed by extrapolating the MFT tracks with the momentum rescaled to the MCH one (momentum scaling method), while previously it was computed by directly extrapolating the global refitted tracks.
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The mu+mu- invariant mass from global forward tracks in now computed by extrapolating the MFT tracks with the momentum rescaled to the MCH one (momentum scaling method), while previously it was computed by directly extrapolating the global refitted tracks.