[Rivet] Normalization?

[Salvatore Rappoccio]

Hi, Folks,

I'm a bit confused about the normalization of Yoda files from RIVET. I have
this at the end of my module, where I normalize a bunch of histograms with
unequal bin widths:

    /// Normalise histograms etc., after the run
    void finalize() {
      const double normalizationVal = 1000;
      for (size_t i = 0; i < N_PT_BINS_dj; ++i) {
        normalize(_h_ungroomedJetMass_dj[i], normalizationVal);
        normalize(_h_sdJetMass_dj[i], normalizationVal);
      }
    }

Then I get some yoda output as below (*). How can I get the absolute
normalization before any normalization from Rivet? Is that somehow in
"ScaledBy" or perhaps "ScaledBy/Area" ??

Cheers,
Sal



BEGIN YODA_HISTO1D /CMS_SMP_16_010/d09-x01-y01
Path=/CMS_SMP_16_010/d09-x01-y01
ScaledBy=2.1193569211303091e-06
Title=
Type=Histo1D
XLabel=
YLabel=
# Mean: 1.518686e+02
# Area: 1.000000e+03
# ID ID sumw sumw2 sumwx sumwx2 numEntries
Total   Total   1.000000e+03 9.342226e+01 1.518686e+05 3.082456e+07 10718
Underflow Underflow 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0
Overflow Overflow 0.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00 0
# xlow xhigh sumw sumw2 sumwx sumwx2 numEntries
0.000000e+00 1.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
0.000000e+00 0
1.000000e+00 5.000000e+00 0.000000e+00 0.000000e+00 0.000000e+00
0.000000e+00 0
5.000000e+00 1.000000e+01 0.000000e+00 0.000000e+00 0.000000e+00
0.000000e+00 0
1.000000e+01 2.000000e+01 9.119381e-02 8.316311e-03 1.729448e+00
3.279817e+01 1
2.000000e+01 4.000000e+01 1.060794e+01 9.968554e-01 3.627352e+02
1.265246e+04 113
4.000000e+01 6.000000e+01 6.498255e+01 6.082119e+00 3.357938e+03
1.753501e+05 695
6.000000e+01 8.000000e+01 1.255057e+02 1.173247e+01 8.858834e+03
6.293726e+05 1344
8.000000e+01 1.000000e+02 1.435704e+02 1.341602e+01 1.288541e+04
1.161209e+06 1538
1.000000e+02 1.500000e+02 2.662677e+02 2.487217e+01 3.269421e+04
4.068761e+06 2854
1.500000e+02 2.000000e+02 1.520766e+02 1.419840e+01 2.636244e+04
4.601090e+06 1631
2.000000e+02 2.500000e+02 9.095334e+01 8.469162e+00 2.028071e+04
4.540426e+06 978
2.500000e+02 3.000000e+02 6.430813e+01 6.001638e+00 1.763051e+04
4.846869e+06 690
3.000000e+02 3.500000e+02 4.010750e+01 3.760009e+00 1.294571e+04
4.186287e+06 429
3.500000e+02 4.000000e+02 2.480605e+01 2.329297e+00 9.231820e+03
3.440384e+06 265
4.000000e+02 4.500000e+02 1.311072e+01 1.220962e+00 5.534208e+03
2.338449e+06 141
4.500000e+02 5.000000e+02 3.152555e+00 2.925908e-01 1.479963e+03
6.954321e+05 34
5.000000e+02 5.500000e+02 3.687638e-01 3.400377e-02 1.891971e+02
9.710031e+04 4
5.500000e+02 6.000000e+02 9.075043e-02 8.235644e-03 5.316258e+01
3.114319e+04 1
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