[Rivet] Error in LHCB_2013_I1218996

[Andy Buckley]

Thanks Alex, we got a similar message from Patrick earlier today.

I've made the fix on our development branch already, and we should have 
a new Rivet release out by the end of this month.

Apologies for the conversion problem, and thanks again.

Andy


On 09/09/15 17:53, Alex Grecu wrote:
> Dear RIVET developers,
>
> It was brought to the LHCb module (LHCB_2013_I1218996) author's
> attention that there is a small bug in the translation of the analysis
> module code from RIVET 1.x original code to the RIVET 2.x compatible
> code which is released in version 2.3.0 of the library.
>
> Line 74 of the .cc file reads:
>
>   const double y = p.absrap(); ///< Double analysis efficiency with a
> "two-sided LHCb"
>
> while the original code was using rapidity() and a "single sided LHCb".
> After a short chat with the module developer (in CC) we've agreed that
> this change is fine increasing the generator efficiency, but it must be
> taken into account in the normalization by introducing a 1/2 factor
> (i.e. divide the scale_factor by 2 in line 106).
>
> Please, do apply this correction in a future release of the RIVET
> library. Thank you in advance.
>
>
> Best regards,
>
> Alex Grecu
>
> --
> *LHCb* Experiment
> /Horia Hulubei/ National R&D Institute for Physics and Nuclear
> Engineering (IFIN-HH)
>
> @CERN
> ========================
> Office: 11/1-014
> Phone: +41 22 76 79058
> Postbox: F26500
>
> @IFIN-HH
> ========================
> Bucharest-Magurele, 408 Atomistilor, DFT bld, office 220 (2nd floor),
> Phone: +4(0) 21 404 62 48; ext. 3404
>
> Skype name: /alex.t.grecu/
>
>
> _______________________________________________
> Rivet mailing list
> Rivet at projects.hepforge.org
> https://www.hepforge.org/lists/listinfo/rivet
>


-- 
Dr Andy Buckley, Lecturer / Royal Society University Research Fellow
Particle Physics Expt Group, University of Glasgow