Hello, Andreas
Yes, this can be done. Meanwhile, I've posted the ROOT files and the
instruction for our existing top-quark samples after the fast detector
simulation here:
https://atlaswww.hep.anl.gov/asc/wikidoc/doku.php?id=snowmass2013:montecarlo
I hope they will be useful
cheers, Sergei
Sergei Chekanov | https://www.hep.anl.gov/chakanau/
=============== | Email: [log in to unmask]
HEP Division, ANL | Tel : +01-630-252 6541
9700 S.Cass,Argonne,IL 60439,USA | Fax : +01-630-252-5782
On 01/31/2013 12:46 AM, Andreas Jung wrote:
>
> Hi Sergei, all
>
>
> for these possible studies regarding ttbar xsec in extreme phase corners, i guess
> it would be nice to have at least two different ttbar signal models. from what I
> know it would be nice to have the possibility to look at MC@NLO and POWHEG
> samples ?!
>
> I'll check pythia8 and herwig++ as well if they are open for access, i.e. just
> trees or special atlas/cms format ?
>
> cheers& thanks
> andy
>
> ---------------------------------------------------
> Andreas Jung
> Fermilab / D0 Experiment
> DAB5 - MS 357
> P.O. Box 500, Batavia, IL, 60510, USA
> Office: +1630-840-5751
> ---------------------------------------------------
> ________________________________________
> From: [log in to unmask] [[log in to unmask]] on behalf of Sergei Chekanov [[log in to unmask]]
> Sent: Wednesday, January 30, 2013 3:39 PM
> To: [log in to unmask]
> Subject: [SNOWMASS-TOP] MC samples for high- pT top studies
>
> Dear all,
>
> I was asked to send a list of MCs after the fast detector simulation
> (Delphes 2.0.3) for our high-pT top-quark studies. The events were
> generated using the ATLAS geometry for pp collisions at sqrt(s)=14 TeV.
> No pile-ups.
>
> 1) Fully inclusive QCD events (without top quarks) with at least one
> antiKT6 jet above pT>650 GeV. The samples correspond to ~800k events
> (roughly 9.6 fb-1)
>
> a) PYTHIA8 (the default tuning)
> Includes all major QCD processes (but top quarks):
> HardQCD:all = on
> WeakSingleBoson:all = on
> WeakDoubleBoson:all = on
> WeakBosonAndParton:all = on
> PromptPhoton:all = on
>
> b) HERWIG++ 2.6.1.
> All QCD but tops,& similar statistics (~800k events).
> The total size of the ROOT files are ~80GB per sample
>
>
> 2) ttbar production, all decay channels. 415k events for each MC:
>
> a) PYTHIA8 with the processes:
> Top:gg2ttbar = on
> Top:qqbar2ttbar=on
>
> b) HERWIG++ 2.6.1 (all SM ttbar processes).
>
> As for the inclusive QCD sample, events were preselected with
> pT(jet)>650 GeV.
>
> I can post this info on the wiki. The samples have the truth
> information& detector-level information. I know about one feature of
> the samples - the b-tagging is not realistic, but the rest looked OK.
> The b-tagging can be redone offline.
> The samples were used for one of our papers
> http://arxiv.org/abs/1301.5810
>
> best, Sergei
>
>
> Sergei Chekanov | https://www.hep.anl.gov/chakanau/
> =============== | Email: [log in to unmask]
> HEP Division, ANL | Tel : +01-630-252 6541
> 9700 S.Cass,Argonne,IL 60439,USA | Fax : +01-630-252-5782
>
>
> On 01/29/2013 09:47 AM, Reinhard Schwienhorst wrote:
>> Dear top quark friends,
>> this is a reminder that the first Snowmass top quark meeting will take
>> place tomorrow, Wednesday, January 30 at 9am Eastern time. The meeting
>> agenda is at
>> https://indico.cern.ch/conferenceDisplay.py?confId=231689
>> and you can connect to the meeting by Vidyo or phone. For those at
>> Fermilab, the Sunrise Room on the 11th Floor of Wilson Hall has been
>> reserved for this meeting.
>>
>> The Snowmass Top Group Conveners,
>> Cecilia Gerber, Kaustubh Agashe, Kirill Melnikov, Reinhard Schwienhorst,
>> Robin Erbacher
>>
>>
>> On Jan 23, 2013, at 3:07 PM, Reinhard Schwienhorst<[log in to unmask]
>> <mailto:[log in to unmask]>> wrote:
>>
>>> Dear top quark friends,
>>> as previously announced, we will have a top quark meeting in
>>> preparation for Snowmass 2013 on Wednesday, January 30, starting at
>>> 9am Eastern time and continuing for most of the day. This first
>>> meeting will be dedicated to presentations of summaries of top quark
>>> topics, intended to give the current state of the top quark field.
>>> These summaries will be the basis of our studies toward snowmass, and
>>> we will have time for discussion and to go over concrete projects that
>>> people can start on. The summaries are linked from the top snowmass
>>> twiki page at
>>> http://www.snowmass2013.org/tiki-index.php?page=Fully+Understanding+the+Top+Quark
>>> <http://www.snowmass2013.org/tiki-index.php?page=Fully+Understanding+the+Top+Quark>
>>>
>>> The January 30 meeting agenda can be found at
>>> https://indico.cern.ch/conferenceDisplay.py?confId=231689
>>> The meeting will be a video-conference only, using Vidyo. The link to
>>> the Vidyo room is given on the agenda page. If you have not used Vidyo
>>> before, instructions can be found at
>>> http://information-technology.web.cern.ch/services/fe/vidyo
>>> The phone number to access a vidyo meeting by phone from the US is
>>> (tool free): +18665777460. The extension number for this meeting is
>>> 9231689. Phone access numbers for other countries are given on the
>>> Vidyo page and also on the agenda. If you have not used Vidyo before
>>> and would like to test it before the meeting, the web page above has
>>> some pointers. You are also able to join the room at any time to try it.
>>>
>>> Best regards,
>>> the top group conveners,
>>> Cecilia, Kaustubh, Kirill, Reinhard, Robin
>>>
>>>
>>>
>>
>>
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