Data Challenge Report  Disclaimer  Data Challenge definition(s)  Software status   G4MICE GRID Portal  Next Steps  Aspired Schedule  Software Workshops Malcolm Ellis - Video Conference.

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Transcript Data Challenge Report  Disclaimer  Data Challenge definition(s)  Software status   G4MICE GRID Portal  Next Steps  Aspired Schedule  Software Workshops Malcolm Ellis - Video Conference.

Data Challenge Report
 Disclaimer
 Data Challenge definition(s)
 Software status
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G4MICE
GRID Portal
 Next Steps
 Aspired Schedule
 Software Workshops
Malcolm Ellis - Video Conference - 7th December 2006
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Disclaimer
 I am starting my Christmas holidays early this year so Paul
has agreed to give this presentation.
 Please don’t shoot the messenger!
 Questions or suggestions can always be sent via email, or
better yet, in person at software phone meetings or
workshops (hint, hint...)
 Next Software Phone Meeting is in the new year, will be
announced as usual on the mice-software list.
Malcolm Ellis - Video Conference - 7th December 2006
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Data Challenge Definitions
 Software Group:
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A test of the capabilities of the software tools to perform the
tasks (“Use Cases”) that the Analysis group (and MICE in general)
require.
Attempting to do a moderately large scale production of simulated
data including a realistic analysis is a useful way of checking that
the tools we have work the way they should and that we have all
the tools that we need.
 Analysis Group:
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Choosing the correct simulations can mean that the results don’t
just test the tools, but produce physics information of immediate
interest.
Suggested study – can MICE demonstrate to sufficient precision:
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Transverse Cooling
Re-acceleration
Acceptable longitudinal emittance growth
Analysis technique does not require substantive MC corrections
Malcolm Ellis - Video Conference - 7th December 2006
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Suggested Simulations
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Would like to have a better understanding of how to:
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Select an input beam
Phasing of the beam wrt the RF cavities
Suggested settings:
Baseline 200MeV/c, beta=42 case, Step VI:
For:
Empty channel = no H2, no RF
Full channel =
H2, RF 'on crest'
For:
No Diffuser
Diffuser to give ~10(pi)mm beam
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Conditions:
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Best (current) 200 MeV/c beam line design starting upstream of TOF1
Time distribution of muons flat wrt RF phase.
Zero crossing time of RF recorded in a manner similar to the real
experiment (e.g. TDC used in TOF readout).
Malcolm Ellis - Video Conference - 7th December 2006
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More options
 KEK Analysis – we have multiple configurations to study:
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Low medium and high momentum.
Magnetic field on and off.
Magnet at different angles.
 Would like to use the tools developed in the Data Challenge to
simulate the different KEK configurations and analyse the real
data.
 This will likely happen as a second pass.
 One of the Stage 6 settings on the previous slide will be
selected for the first tests of the system.
Malcolm Ellis - Video Conference - 7th December 2006
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G4MICE Status
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Just released a new tag: mice-1-9-3 (email sent to mice-software).
Many fixes and new features:
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Introduction of a memory monitoring facility to all of the major classes to allow for
testing of memory leaks.
Addition of memory use checks to the existing and new tests.
Fixed a number of leaks in the TextFileIo persistency.
New pattern recognition in the SciFi for the no field case.
Working version of the Imperial decoding for the SciFi.
Fixed data files for the Imperial decoding.
Added tests of both SciFi decoding schemes.
Preparations for more advanced visualisation of simulated and reconstructed tracks.
A new application to generate matched beam distributions of a desired momentum
and emittance.
An Application to perform the alignment of the SciFi tracker using the KEK test
beam data.
A production application to perform the analysis of the light yield of the prototype
tracker from data taken at KEK.
An example application to show how to use the ZustandVektor for analysis (e.g.
tracker resolution, station spacing optimisation, etc).
Additional KEK test beam models (field off and field on, using a calculated field map
from the solenoid currents).
Two new Reconstruction unit tests to serve as examples for the development of the
remaining tests needed for the full reconstruction release.
Now have 62 tests, still insufficient coverage, but moving in the right
direction
Malcolm Ellis - Video Conference - 7th December 2006
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GRID Status
 Had been stalled for quite a while (limited effort, lots of
other tasks).
 I have a new GRID certificate (DOE GRID) and have joined
the MICE VO.
 For a while this was causing problems with the Imperial
Portal, however that was fixed yesterday and in January we
will start running the first test jobs on the GRID using the
MICE VO for the first time.
 I’m only aware of one or two people in MICE who have a GRID
certificate and who are on the MICE VO!
 Please get a (free) certificate and join the VO (contact me
for help with the latter)
 Or buy yourself lots of expensive Linux PCs....
 The software group will provide the tools, but the 2-3 FTE of
us that are left will not be running all of the simulation and
analysis jobs!
Malcolm Ellis - Video Conference - 7th December 2006
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Next Steps
 Collect a firm set of settings from Analysis and Tracker
groups and make a prioritised list.
 Prepare scripts for GRID jobs and run small test jobs to
debug them.
 Release mice-2-0 (Simulation and GRID production tools).
 Run Data Challenge Simulations and analyses of simulated
results.
 In parallel:
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Write Reconstruction tests to validate all aspects of track finding
and fitting.
Prepare for migration to new version of RecPack (Kalman fitting
package).
Update documentation in preparation for TB review.
Malcolm Ellis - Video Conference - 7th December 2006
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Aspired Schedule
 December – work on Reconstruction tests to pave the way for
a Reconstruction release with fully working track fit and
extrapolation under the new design with B field or no field.
 January, week 2 – first test jobs on the GRID
 January, week 3 – converge on tag for Simulation and
configurations, beams, statistics for first production
 January, week 4 – start production
 February, up until CM – production and analysis of first
results (as well as preparation for TB review).
Malcolm Ellis - Video Conference - 7th December 2006
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Software Workshops
 Proposed schedule (to mice-software list) has not resulted in
many responses.
 Please look at the schedule below and let me know how many
of these you may be able to attend and in any cases if a
small change in date would make attendance more likely.
 First workshop is set now, others will be confirmed in early
January.
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22nd – 24th January
28th February – 2nd March
9th – 11th April
6th – 8th June
6th – 8th August
3rd – 5th October
Fermilab
Brunel (or RAL)
Fermilab
RAL (just before CM)
Fermilab
RAL (just before CM)
Malcolm Ellis - Video Conference - 7th December 2006
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