<div dir="ltr">Hi,<div><br></div><div>I am fine with the name "Weight" for the central weight. I guess it's most important to hear from the other generator authors, though.<br><br>Chris</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Feb 2, 2016 at 12:52 PM, Holger Schulz <span dir="ltr"><<a href="mailto:holger.schulz@durham.ac.uk" target="_blank">holger.schulz@durham.ac.uk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi all,<br>
<br>
the alpha version of rivet 3 (which supports multiple weights natively)<br>
triggered a discussion on what the central weight name should be.<br>
<br>
As far as I know there is only a convention for scale and pdf variations in the<br>
2013 LesHouches proceedings.<br>
What was (I think) agreed upon is that the central weight should simply come<br>
first in the weight vector when writing out to HepMc. This however<br>
states a tiny technical problem as the write out of the WeightContainer<br>
in HepMc2 does not preserve the order of weights.<br>
<br>
Within Sherpa the name "Weight" was used and if I understand correctly,<br>
would also be fine from Stefan Prestel's point of view.<br>
<br>
It is maybe not that urgent but it would help us in the development<br>
of HepMC and Rivet 3 if we could agree on a name for the central<br>
weight.<br>
<br>
<br>
Thanks,<br>
Holger<br>
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</blockquote></div><br></div></div>