1 / 13

PHENIX ACHIEVMENTS AND CC-J W.A. Zajc Columbia University for the PHENIX Collaboration

PHENIX ACHIEVMENTS AND CC-J W.A. Zajc Columbia University for the PHENIX Collaboration. The PHENIX Collaboration. A strongly international venture: 11 nations Brazil, China, France, Germany, India, Israel, Japan, South Korea, Russia, Sweden, United States 51 institutions.

danae
Download Presentation

PHENIX ACHIEVMENTS AND CC-J W.A. Zajc Columbia University for the PHENIX Collaboration

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. PHENIX ACHIEVMENTS AND CC-J W.A. Zajc Columbia University for the PHENIX Collaboration

  2. The PHENIX Collaboration A strongly international venture: • 11 nations Brazil, China, France, Germany, India, Israel, Japan, South Korea, Russia, Sweden, United States • 51 institutions

  3. Run-1 Configuration • Two central arms • Mechanically ~complete • Roughly half of aperture instrumented • Global detectors • Zero-degree Calorimeters (ZDCs) • Beam-Beam Counters (BBCs) • Multiplicity and Vertex Detector (MVD, engineering run)

  4. Run-1 Accomplishments • First collisions:15-Jun-00 • Last collisions: 04-Sep-00 • During this period: • Commissioned • Zero-Degree Calorimeters • Beam-Beam Counters • Multiplicity and Vertex Counter • Drift Chambers • Pad Chambers • Ring Imaging Cerenkov Counter • Time Expansion Chamber • Time-of-Flight Counters • Electromagnetic Calorimeter • Muon Identifier • Minimum Bias Triggers • Data Acquisition System • Recorded ~5M minimum bias events

  5. Run-1 Results All results are for Au-Au collisions at • Global Event Features • Transverse Energy • Charged Multiplicity • Elliptic Flow • Identified Particles • Hadrons • p, K , p  • po’s • p  p HBT • Electrons • Studied versus • Centrality • Number of participants

  6. Run-1 Results This is a partial compilation

  7. Physics Impact

  8. CC-J Contributions CC-J made an essential contribution to PHENIX’s impressive Quark Matter success: • ~50% of all PHENIX Quark Matter data reconstructed at CC-J • CC-J “routinely” provides 100K fully simulated events per week • These simulations were integral part of our analysis effort for Quark Matter • No CC-J • No systematic studies • Reduced confidence in our results

  9. Other Contributions • Regional analysis center • Archive of mDST’s • Model for other efforts (e.g., French) • Tracking of technology advances • Data storage • High-speed, long-distance networking • Data export facility at RCF

  10. Personnel • Manager: T. Ichihara • Technical Manager: Y. Watanabe • Computing Scientists: • N. Hayashi • S. Sawada • S. Yokkaichi • Scientific Coordination • H. En’yo • H. Hamagaki • BNL work • Y. Goto • A. Taketani

  11. Gratifying Success 03-Dec-98 09-Feb-01 Slide presented by WAZ at RCF review of PHENIX Computing on 03-Dec-98

  12. This Year • In Run-2, PHENIX will record a data-set equivalent to its entire Run-1 data-set EACH DAY • We will need 100-1000 times the CPU cycles required for Run-1 • Expect • Major heavy ion physics impact • Major spin physics impact • Major role for CC-J

  13. Summary • PHENIX has achieved its goals for Run-1 at RHIC. • CC-J has played a very large role in the PHENIX’s Run-1 success. • PHENIX wishes to thank all whose vision and dedication have made CC-J a reality. Special thanks to M. Ishihara

More Related