[Rivet] Sigma and Cascade at LEP

Peter Skands peter.skands at cern.ch
Fri Dec 3 07:17:56 GMT 2010


Hi Hendrik

Wow, thanks. This is really amazing. I'll use the mailing list from now, sorry.

Cheers,
Peter

On 12/3/10 2:56 AM, Hendrik Hoeth wrote:
> Hi Peter,
>
> as Andy already mentioned, please write to the Rivet mailing list rather
> than to individuals if you have any problems.
>
> On 02/12/10 09:58, Peter Skands wrote:
>> Here's the Sigma(1385) spectrum:
>> http://mcplots.cern.ch/?query=plots,ee,zhad,xSigmach1385,All,
>
> Fixed on trunk. 3224 was missing.
>
>> On the Cascade-, instead, I see:
>> http://mcplots.cern.ch/?query=plots,ee,zhad,xXi-,All,
>>
>> Here, it looks like Rivet may be overcounting the data. According to the
>> label, the data is for Cascade- only. Is that what is counted in Rivet?
>
> The paper explicitly says "including anti-particles", and that's also
> what the data normalisation tells me. It was a bug in the analysis (a
> missing "break" in the "switch" block that checks the particle IDs, so
> Sigma0 got filled into the same histogram). Fixed on trunk.
>
> Thanks for the reports,
>
>     Hendrik
>


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