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1 Isabel Trigger ACOT March 13 th, 2009 ATLAS at the LHC …and at TRIUMF CANADA’S NATIONAL LABORATORY FOR PARTICLE AND NUCLEAR PHYSICS Owned and operated.

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Presentation on theme: "1 Isabel Trigger ACOT March 13 th, 2009 ATLAS at the LHC …and at TRIUMF CANADA’S NATIONAL LABORATORY FOR PARTICLE AND NUCLEAR PHYSICS Owned and operated."— Presentation transcript:

1 1 Isabel Trigger ACOT March 13 th, 2009 ATLAS at the LHC …and at TRIUMF CANADA’S NATIONAL LABORATORY FOR PARTICLE AND NUCLEAR PHYSICS Owned and operated as a joint venture by a consortium of Canadian universities via a contribution through the National Research Council Canada LABORATOIRE NATIONAL CANADIEN POUR LA RECHERCHE EN PHYSIQUE NUCLÉAIRE ET EN PHYSIQUE DES PARTICULES Propriété d'un consortium d'universités canadiennes, géré en co-entreprise à partir d'une contribution administrée par le Conseil national de recherches Canada

2 2 Outline ● ATLAS and the LHC – LHC status – ATLAS detector status – ATLAS computing status ● ATLAS at TRIUMF – New hires and group evolution – Tier 1 at TRIUMF – Analysis Centre at TRIUMF 2009/3/13I. Trigger - ATLAS - ACOT

3 3 LHC Status ● September 10 th, 2008: – Spectacular start to LHC running with beams – Accomplished in few days program expected to take months ● September 19 th, 2008: – Spectacular finish to LHC season – Shutdown for repairs, cleaning, improvements to safety and machine protection (enhanced quench protection, nΩ splice resistance detection, improved helium venting, better anchoring of magnets, …) – Expect beam again by September 2009, running until autumn 2010 to collect 200 pb -1 at 5 TeV per beam. 2009/3/13I. Trigger - ATLAS - ACOT

4 4 LHC Repair Pictures 2009/3/13I. Trigger - ATLAS - ACOT Brace magnet anchors in cold sectors to limit damage in worst case Repair in sector 3-4

5 5 Beam 2008 - Chamonix Summary5 4/21/2015

6 6 ATLAS Detector 2009/3/13I. Trigger - ATLAS - ACOT

7 7 ATLAS status – repairs and additions ● ATLAS complete and taking (mostly cosmic-ray) data since late Spring 2008 ● Shutdown is opportunity for repairs and additions: – Repair liquid argon front-end readout boards, rad-tolerant low voltage power supplies – Add “Extended Endcap” chambers to muon spectrometer (improves efficiency in barrel/endcap overlap region) – Fix gas leaks in some muon chambers including TGCs damaged by overpressure, add more safety controls – Rad-hard optical readout fibres on muon spectrometer – Refurbish tile cal electronics – Check inner detector cooling 2009/3/13I. Trigger - ATLAS - ACOT

8 8 ATLAS repairs and additions 2009/3/13I. Trigger - ATLAS - ACOT

9 9 ATLAS Detector: Cosmic Event 2009/3/13I. Trigger - ATLAS - ACOT Cosmic ray events are used for alignment

10 10 ATLAS Progress – cosmic rays and single beams 2009/3/13I. Trigger - ATLAS - ACOT First collimator "splash" event seen by ATLAS: event 40050, run 87764. Collimator is 140m in front of ATLAS interaction point. Beam-1 enters ATLAS from the Airport side. Beam splash in collimators used to time in subdetectors – one event worth months of cosmics or even days of collision data for this purpose Single beam data was extremely useful for timing in the whole detector

11 11 ATLAS Progress – cosmic rays and single beams 2009/3/13I. Trigger - ATLAS - ACOT beam halo event 1450, run 87863 Tracking works, even sideways!

12 12 ATLAS Progress – cosmic rays and single beams ● Calorimeters do calibration / noise / ramp runs to check pedestals etc., prepare for running: – Noise looks fine, HV fine 2009/3/13I. Trigger - ATLAS - ACOT

13 13 ATLAS Status 2009/3/13I. Trigger - ATLAS - ACOT Cosmics used for alignment, calibration, cabling checks, practice… We will start taking cosmic data again in a few weeks, to gain experience running the detector.

14 14 LHC Computing Grid Status ● Grid active despite lack of collision data – Able to save some $ by delaying 2009 hardware purchases by 6 months ● MC production system works very well ● Data reprocessing exercised with cosmic ray data ● More user analysis jobs starting to run; also many “analysis challenge tests” ● BUT storage space is tight! 2009/3/13I. Trigger - ATLAS - ACOT

15 15 ATLAS group at TRIUMF ● New hires in past year: – Anadi Canepa (at CERN for 2008-9) BAE – Oliver Stelzer-Chilton BAE – David Morrissey (starts by Sept. ‘09) BAE, Theory – Dominique Fortin (RA) – Ian Nugent (RA) – 2 Theory RA hires in phenomenology – Di Qing (Tier 1 Grid expert) ● New ATLAS hires mostly replacements; one new BAE position – to support ATLAS Analysis Centre at TRIUMF ● Visitors: Rob McPherson, Dave Axen, Richard Keeler, Steve Godfrey, Margret Fincke, students… ● Chris Oram away for 2009 2009/3/13I. Trigger - ATLAS - ACOT

16 16 TRIUMF Group’s Role in ATLAS ● New initiatives in 2009: – Global online monitoring – Remote LAr Monitoring ● attractor for Analysis Centre ● R. McPherson is LAr data quality coordinator – Muon Spectrometer – Inner Detector alignment – Continue missing E T studies ● Tier 1 (one of 10 in the world for ATLAS): – Continues to lead in efficiency; solid innovative team – Second big hardware expansion in 2009 ● ATLAS-Canada executive: – R. McPherson Spokesperson (IPP/UVic, based @ TRIUMF) – P. Krieger Deputy Spokesperson (Toronto) – M. Vetterli Computing Coordinator (TRIUMF/SFU) – D. O’Neil Physics Coordinator (SFU) 2009/3/13I. Trigger - ATLAS - ACOT

17 17 ATLAS Tier 1 at TRIUMF 2009/3/13I. Trigger - ATLAS - ACOT 2007+2008 (current) 2009 (assuming quad-core, 1 TB drive) 2010+ 2011

18 18 R. TafiroutARW 2009, Vancouver Tier 1 Resources at TRIUMF Storage and computing capacity at TRIUMF (7% of total ATLAS): Storage and computing capacity at TRIUMF (7% of total ATLAS): 1 CPU core = 2.5 kSI2K 1 TB = 1000 gigabytes (current capacity, to double in 2009) ‏ CPU: 664 processors DISK: 900 TB (716 TB usable, RAID6) 156 TB delivered Aug.‘07 564 TB delivered Dec. 11 ’08’ also: 30 TB (RAID5/older boxes/direct attached/pps) TAPE: 560 TB (LTO-4) Networking: 10 GigE (data traffic) 1 GigE (control traffic) SAN storage: Fiber channel (4 Gb/s) Dedicated facility (MoU) Funded by CFI/BCKDF to 2011, then moves to TRIUMF funding Integral part of next 5YP New data centre needed for 2012 and beyond Worldwide, ATLAS needs ~140 thousand Terabytes by 2012 !

19 19 Tier1 in 24x7 ops 6 months Worldwide Grid Production in 2008 Average T1 availabilities (6 months) ‏ 1 month TRIUMF

20 20 ATLAS Analysis Centre at TRIUMF ● Objectives : – a place for students & visitors to work at TRIUMF so critical mass of analysis activity based here – a place in Canada where people can come to learn ATLAS software and monitoring, do remote shifts, discuss with theorists, collaborate, host meetings… ● Much progress in 2008-9 on several fronts: – Physical premises: video meeting room, visitor space ● Occupants relocated, furniture ordered, reno imminent – Initiatives: co-organizing LHC theory workshops coinciding with ATLAS-Canada meetings – Personnel: see list of new hires – Local “Tier 3” computing purchased: ● 2 x dual-quad core 2.66 GHz processors and 20 TB storage 2009/3/13I. Trigger - ATLAS - ACOT

21 21 ATLAS Analysis Centre at TRIUMF 2009/3/13I. Trigger - ATLAS - ACOT Move partition to create well- lit visitor office space and video meeting room Work in progress…

22 22 ATLAS Goals at TRIUMF for 2009 ● Tier 1 Centre will continue growth to follow computing model, provide efficient 24/7 service across large expansion of hardware, and support the Canadian Tier 2 sites as they also expand ● Analysis Centre to begin to attract students and visitors, integrate theorists, raise profile as a useful resource within ATLAS-Canada 2009/3/13I. Trigger - ATLAS - ACOT

23 4004 Wesbrook Mall Vancouver, B.C. Canada V6T 2A3 Tel: 604 222-1047 Fax: 604 222-1074 www.triumf.ca We are looking forward to having data to analyze by the autumn! Thank you for your attention.

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