cern@school: harnessing gridpp for student-driven research t. whyntie*, † *langton star centre,...
TRANSCRIPT
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CERN@school:Harnessing GridPP for
student-driven researchT. Whyntie*,†
*Langton Star Centre, †PPRC - Queen Mary, University of London
GridPP30, University of GlasgowWednesday 27th March 2013
Twitter: @twhyntie @PhysicsatQM @langtonstar #GridPP30
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T. Whyntie, Queen Mary, Uni. of London
Impact
• Crucial to have well-defined impact strategy:– “Pathways to Impact” (RCUK)
• CERN@school is no exception:1. Give students and teachers access to CERN
detector technology (data taking) and GridPP (data analysis/simulation);
2. ???3. IMPACT!!!
#GridPP30, Uni. of Glasgow 27th March 2013
Aim of this talk: provide you with details of what we’ve done, what we
plan to do, and ask your advice on the way forward.
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T. Whyntie, Queen Mary, Uni. of London
CERN@school and GridPP
• What is CERN@school?• What have we done so far?• What do we plan to do?• How best to use GridPP?
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T. Whyntie, Queen Mary, Uni. of London
WHAT IS CERN@SCHOOL?A brief introduction to the project
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T. Whyntie, Queen Mary, Uni. of London
CERN@school: an introduction
• Brings CERN technology into the classroom:– To aid the teaching of particle physics;– To allow students and teachers to do research;– To inspire the next generation of scientists/engineers.
• Different ways to get involved:– In-school detectors – through SEPnet and IoP;– LUCID: 5 Timepix detectors on TechDemoSat-1;– Data shared by students and teachers.
• Currently supported by an STFC Large Award.
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T. Whyntie, Queen Mary, Uni. of London
CERN@school: who’s involved
• Project Leader: Dr Becky Parker• STFC Research in Residence: TW• GridPP support: Chris Walker, Steve Lloyd– Queen Mary PPRC computing - huge thanks!
• The students:– Mainly A level, some GCSE;– Technical ability varies – but research work
provides incentive to learn more.
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T. Whyntie, Queen Mary, Uni. of London
The Timepix hybrid silicon pixel detector
• Developed by the Medipix Collaboration.
• 256x256 hybrid silicon pixel detector:– 55mm pitch;– Timepix: “Time-over-
Threshold” mode.• Capable of x-ray imaging,
particle ID and energy measurement.
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The sensitive element
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T. Whyntie, Queen Mary, Uni. of London
Visualising radiation
Colour corresponds to the “Time-over-Threshold”, which corresponds to the energy deposited in the pixel
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T. Whyntie, Queen Mary, Uni. of London
Visualising radiation
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T. Whyntie, Queen Mary, Uni. of London
Visualising radiation
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T. Whyntie, Queen Mary, Uni. of London
The data
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T. Whyntie, Queen Mary, Uni. of London
The data
• 256 x 256 frame of pixels:– Output in ASCII or binary, matrix or [X,Y,C];– Meaning of pixel value depends on mode:• Time-over-Threshold – time spent over preset
threshold value (corresponds to energy).
• Associated meta-data:– Detector settings, location, time, etc.
• Various formats exist: Pixelman, NASA’s ROOT-based format, .LSC (based on FITS).
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Radiation Around You (RAY)
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LUCID
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Bringing it all together
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T. Whyntie, Queen Mary, Uni. of London
WHAT HAVE WE DONE SO FAR?Progress with CERN@school
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T. Whyntie, Queen Mary, Uni. of London
The first six months
• Establish a student research community;
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T. Whyntie, Queen Mary, Uni. of London
The first six months
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T. Whyntie, Queen Mary, Uni. of London
The first six months
• Establish a student research community;• Overhaul of the CERN@school website;
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The first six months
http://www.thelangtonstarcentre.org
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T. Whyntie, Queen Mary, Uni. of London
The first six months
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T. Whyntie, Queen Mary, Uni. of London
The first six months
• Establish a student research community;• Overhaul of the CERN@school website;• Detector calibration;
#GridPP30, Uni. of Glasgow 27th March 2013
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T. Whyntie, Queen Mary, Uni. of London
The first six months
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T. Whyntie, Queen Mary, Uni. of London
The first six months
• Establish a student research community;• Overhaul of the CERN@school website;• Detector calibration;• Detector simulation in GEANT4;
#GridPP30, Uni. of Glasgow 27th March 2013
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T. Whyntie, Queen Mary, Uni. of London
The first six months
#GridPP30, Uni. of Glasgow 27th March 2013
With thanks to J. Idarraga (Medipix/CERN)
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T. Whyntie, Queen Mary, Uni. of London
The first six months
• Establish a student research community;• Overhaul of the CERN@school website;• Detector calibration;• Detector simulation in GEANT4;• The Langton Star Server DAQMAP.
#GridPP30, Uni. of Glasgow 27th March 2013
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T. Whyntie, Queen Mary, Uni. of London
The first six months
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T. Whyntie, Queen Mary, Uni. of London
GridPP activities
• The CERN@school VO: cernatschool.org• Running CERN@school jobs:– “Hello World!” (obviously);– Custom software via InputSandbox:• CERNatschool-frame-reader (on github);• Sample frame data on figshare - http://dx.doi.org
/10.6084/m9.figshare.644460
– All documented on the GridPP wiki.• Huge thanks to the QMUL GridPP team!
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T. Whyntie, Queen Mary, Uni. of London
WHAT DO WE PLAN TO DO?CERN@school – future plans
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T. Whyntie, Queen Mary, Uni. of London
The original plan
• Data storage and retrieval:– Timepix data collected by schools uploaded via an
online portal, LUCID data from SSTL managed and uploaded by CERN@school team;
– Data processed (cluster analysis etc.) on GridPP;– Results available via same online portal.
• Storage/processing needs mat by DAQMAP:– Not (yet) enough demand to justify x certificates.
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T. Whyntie, Queen Mary, Uni. of London
The revised plan
• Simulations with GEANT4:– Timepix detector and (shielded) sources;– LUCID in the space radiation environment.
• Example use case:– End user (student) requests events for given source
type, energy range, flux, etc.;– GEANT4 run on GridPP, managed by CERN@school;– Simulated data retrieved for analysis.
• Compare with National Schools Observatory.#GridPP30, Uni. of Glasgow 27th March 2013
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T. Whyntie, Queen Mary, Uni. of London
The revised plan
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T. Whyntie, Queen Mary, Uni. of London
The revised plan
• Simulations with GEANT4:– Timepix detector and (shielded) sources;– LUCID in the space radiation environment.
• Example use case:– End user (student) requests events for given source
type, energy range, flux, etc.;– GEANT4 run on GridPP, managed by CERN@school;– Simulated data retrieved for analysis.
• Compare with National Schools Observatory.#GridPP30, Uni. of Glasgow 27th March 2013
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National Schools Observatory
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T. Whyntie, Queen Mary, Uni. of London
The revised plan
• Simulations with GEANT4:– Timepix detector and (shielded) sources;– LUCID in the space radiation environment.
• Example use case:– End user (student) requests events for given source
type, energy range, flux, etc.;– GEANT4 run on GridPP, managed by CERN@school;– Simulated data retrieved for analysis.
• Compare with National Schools Observatory.#GridPP30, Uni. of Glasgow 27th March 2013
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T. Whyntie, Queen Mary, Uni. of London
HOW BEST TO USE GRIDPP?Thoughts on data analysis/simulation for student-driven research.
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T. Whyntie, Queen Mary, Uni. of London
Lessons from CERN@school
• Choosing appropriate research tasks:– Where can GCSE/A level students contribute?– Task complexity and “gateway activities”;– Chris Lintott (Oxford, Zooniverse) – blog post:• “transformational nature of [doing] something real”.
• Getting students to code:– Scientific research provides huge motivation;– Challenge - school IT infrastructures vary…
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T. Whyntie, Queen Mary, Uni. of London
Questions for the GridPP community
• What else could we use GridPP for?– With the right research task, plenty of Impact-
worthy and scientifically useful projects out there.• What could we use the Cloud for?– Our experience: give the students the tools and
they will do amazing things.• Can we integrate impact from the outset?– #OpenAccess, #OpenData - reproducability?
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T. Whyntie, Queen Mary, Uni. of London
We are indebted to the companies and organisations listed below, as well as Actel, ARM, REM Oxford, Graphic PLC, NPL, API Technologies (formerly C-MAC),
the Institute of Experimental and Applied Physics at the Czech Technical University in Prague and VPT Inc. USA.
Thank you!#GridPP30, Uni. of Glasgow 27th March 2013
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T. Whyntie, Queen Mary, Uni. of London
CERN@school and GridPP
• Bringing technology from CERN into the classroom – and doing the same for GridPP;
• Much progress made over the last 6 months:– Plenty still to do – your input very welcome!
• Huge opportunities for research + impact:– Much learned so far – please ask us!
#GridPP30, Uni. of Glasgow 27th March 2013
T. Whyntie*,†*Langton Star Centre, †PPRC - Queen Mary, University of London
Twitter: @twhyntie @PhysicsatQM @langtonstar #GridPP30