Hi all,

On Nov 3, 2011, at 6:36 PM, Gero Flucke wrote:

> Hi all,
> first man thanks for your work on that so far. We have to get a step  
> further before the weekend, so I would appreciate if we could have  
> an EVO chat tomorrow at 11.30 h (agreed already between Gero and  
> Gyorgy). Coordinates below.
>
> We have to understand
> - what is the status of the track based validation
>  (I wondered that Adam was not around - didn't you want to prepare  
> slides
>   with the current status? Or was there a misunderstanding?)
>  * track sample comparison MC/data
>  * precision
> - what are the next steps to get something more realistic
>
> For the latter we see:
> - phi mode seems compeletely dominated by starting geometry
> - weighting cosmics has almost no impact
>  ==> For the moment abondon the cosmic sample weighting
>  ==> still it would be good to see the pt/eta distributions
>      I put Joerg in CC who should be back next week to provide
>      the data distributions (in root format)
> - Joerg's studies showed that iterating does not help much
>  * Krisztian - can you confirm that?

Regarding the following point:

> - agreed approach is to 'hand-made' a few new starting geometries
>  * Roberto in charge
>  * take the difference between ideal and current MC startup
>  * add 0.2, 0.33 and 0.5 of that on top of ideal

you can find the relative objects (i try also to set a naming  
convention) at the following link:

* IDEALplus_02Delta:
/afs/cern.ch/user/c/castello/public/mcScenario_2011/ 
IDEALplusDeltaStartupVSideal_02.db

* IDEALplus_033Delta:
/afs/cern.ch/user/c/castello/public/mcScenario_2011/ 
IDEALplusDeltaStartupVSideal_033.db

* IDEALplus_05Delta:
/afs/cern.ch/user/c/castello/public/mcScenario_2011/ 
IDEALplusDeltaStartupVSideal_05.db


the size of the misalignment introduced on top of IDEAL can be  
appreciated from the following comparison of the geometries:
http://castello.web.cern.ch/castello/mc_scenario_2011/
IDvsSTARTUP.pdf -> Ideal geometry VS Startup (common Tracker)
IDvs02.pdf -> Ideal geometry VS  IDEALplus_02Delta (common Tracker)
IDvs03.pdf-> Ideal geometry VS IDEALplus_03Delta (common Tracker)
IDvs05.pdf-> Ideal geometry VS IDEALplus_05Delta (common Tracker)

Please let me know if unclear/objections, otherwise I will propose to  
start now with an alignment starting from
these initial geometries.

Best,
roberto


> - Krisztian should take these as new starting geometries
>  * try full blown alignment
>  * backup of aproach without bows
> - what would be the backup solution if we find something with 'nice'
>  Z-mass behaviour, but where the job did not run through on the farm  
> with
>  bow-alignment?
>
> Hope to see you tomorrow
>
> Cheers
>
> 	Gero
>
> ---------- Forwarded message ----------
> Date: Thu, 3 Nov 11 18:13:42 +0100
> From: evosupport@vrvs.org
> To: gero.flucke@desy.de
> Subject: EVO Booking : TK MC Alignment Scenario Preparation from Fri,
>    4 Nov 11 11:00 +0100 (CET)
>
> Hello Gero Flucke,
> You have BOOKED a meeting in EVO (http://evo.caltech.edu).
>
> Title:		TK MC Alignment Scenario Preparation
> Description:
> Community:	CMS
> Password:	tkal
>
> Meeting Access Information:
> - Meeting URL
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>
> - Password: tkal
> - Phone Bridge
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______________________________________

Roberto Castello
Centre for Cosmology, Particle Physics and
Phenomenology - CP3 - UC Louvain, Belgium
phone (CERN): +41. 22.767.4739
______________________________________