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Number jobs Number CPU used by job Availability Phedex data transfer

LHC DATA ANALYSIS CENTRE @ INFN (LNL – PADOVA) A world wide Computing GRID enabled site .

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Number jobs Number CPU used by job Availability Phedex data transfer

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  1. LHC DATA ANALYSIS CENTRE @ INFN (LNL – PADOVA) A world wide Computing GRID enabled site The National Laboratory of Legnaro (LNL) includes a computing farm since 2001. The computing center is part of the GRID infrastructure developed to satisfy the requirements of the modern high energy physics experiments at the Large Hadron Collider (LHC). LHC is a hadron collider that run with proton proton beams at center of mass energy 7 TeV (2011) and 8 TeV (2012). The LNL site is Tier 2 site for especially the Compact Muon Solenoid (CMS) since 2006 and for A Large Ion Collider Experiment (ALICE) since 2011. The total storage is around 2 PB and the computing power is around 5500 kSI2000. More than 3000 server are located in 22 racks in an hall with temperature and humidity controlled. The Tier 2 network is essentially based on a 1 Gb/s backbone. A dedicated cooling infrastructure is active. Physicists from every country can access to data stored at LNL and they can run their analysis jobs with good performance in time and safety. Particlephysicsexperiments @ LNL-Padova computing center ALICE is a dedicated heavy-ion detector to exploit the unique physics potential of nucleus-nucleus interactions at LHC energies. Aim is to study the physics of strongly interacting matter at extreme energy densities, where the formation of a new phase of matter, the quark-gluon plasma, is expected. CMS is a general purposesphysicsexperimentinstallednearCessy (France) 100 m underground along the LHC circunference. CMS goals are discovery and studiesHiggsboson, searchesaboutsupersymmetry and new physicsat 1 TeV scale. LNL-Padova Distributed Computing Center in the LHC World Wide Computing GRID Worl Wide Computing GRID 2 x 10 Gpbs 10 km fiberopticlinks @ 10 Gbps Numberjobs Number CPU used by job Availability Phedex data transfer Which data are stored al LNL? ……. …………….. …………………. INFN - LNL LNL-Padova Computing Centre performances INFN - Padova ALICE runningjobs ……………………. …………………………… …………… …… Data provenance Total data tansferred = 440 TB ……………………. …………………………… ……………………………… CPU load in the period March 2012 – Februry 2013 ……………………. …………………………… ……. ……………….. ……………. New boson Higgs like is discovered. A lot of SUSY and exotica studies set stringent limits on new particles mass. Some features of QGP are succefully investigated. GRID is an essential tool for HEP collaborations. LNL-Padova is an important and efficient distributed computing center.

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