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Atlas Analysis Infrastructure in Japan

This document outlines the ATLAS activity and analysis infrastructure in Japan, emphasizing the collaboration between various institutes and researchers. The focus includes the Endcap Muon Trigger System, Level 1 Trigger Simulation, and domestic network requirements utilizing the SuperSINET backbone. It discusses the integration of Tier 2 and Tier 3 analysis platforms and highlights the importance of a joint R&D program involving training and middleware development. Plans for future LCG site migrations and resource optimization are also detailed, aiming for efficient access to ATLAS data.

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Atlas Analysis Infrastructure in Japan

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  1. Atlas Analysis Infrastructure in Japan Hiroshi Sakamoto ICEPP, University of Tokyo

  2. Contents • Atlas Activity in Japan • Requirements on Analysis Infrastructure • Domestic Network • LCG Testbed • Future Plan

  3. Atlas Activity in Japan • Endcap Muon Trigger System (TGC) • Level 1 Trigger Simulation • Barrel SCT • Detector Geometry Description • Online System • Central Solenoid • Muon TDC

  4. Atlas Activity in Japan • Physics Analysis • Higgs: VBF • SUSY: Shoji Asai as a convener • Higher Level Trigger • Commissioning of Endcap Muon • Physics Analysis Tools Workshop 2006 • May 15th~19th, at University of Tokyo • 60 Participants (inc. Australia, China, Japan, Taiwan)

  5. Atlas Activity in Japan • 15 institutes ~ 90 researchers ~ 30 students • KEK(28), Tsukuba(4+4), Tokyo(13+14), TMU(1+0), Shinshu(3+1), Nagoya(New,1+0), Ritzumei(1), Kyoto(1+0), Kyoto-Kyoiku(1+1), Osaka(2+0), Kobe(7+6), Naruto-Kyoiku(1), Okayama(3+2), Hiroshima(1+0), Hiroshima-IT(1+2), Nagasaki-GS(2)

  6. Requirements on Analysis Infrastructure • Atlas Tier2 at ICEPP, Univ. Tokyo • Main analysis platform. • Tier3 sites (not yet defined) • KEK • Kansai area (Kobe)

  7. Domestic Network • SuperSINET • 10Gbps backbone • Tokyo, KEK, Tsukuba, Nagoya, Kyoto, Osaka, Hiroshima • 1Gbps connection to universities • Shinshu, Kobe, Okayama • Relatively short distance ~ Small RTT • 4ms ~ 20ms • Interactive session?

  8. 10Gbps Backbone Tokyo1 Tokyo2 Osaka Nagoya SuperSINET nodes SINET nodes

  9. Testbed Deployment • Platform for training • Middleware installation/configuration. • Development of user application • Tutorials/Exercises • Start between KEK and ICEPP • A part of joint R&D program • Extended to Kobe • EoI from Hiroshima-IT, Okayama, Nagoya

  10. Applications • Level 1 Trigger Simulation • Endcap Muon Trigger System. • Verification for every new release. • LCG Middleware Tutorial • Three day tutorial in December 2005 • 30 participants from Atlas Japan.

  11. Future Plan • Migration of testbed sites to official LCG ones • Human resource is limited. No need to operate two separate grids. • Must be part of LCG in order to access the Atlas Data. • Atlas-Japan LCG sites • Under APROC • Atlas-Japan VO support

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