Belle II several slides from Computing T. Hara Thomas Kuhr 1 - PowerPoint PPT Presentation

Belle II several slides from Computing T. Hara Thomas Kuhr 1 LMU München

Search for New Physics ➔ There must be so far unobserved particles or forces Direct search: Production of new  particles → ATLAS, CMS @ LHC Indirect search:  Contribution of virtual new particles to observed processed → Flavor physics direct indirect Coupling Mass Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 2

B → D (*) τν ➢ World average of R(D), R(D * ) 4.1 σ away from SM prediction Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 3

Belle II @ SuperKEKB: 50 ab -1 Belle: 1 ab –1 LHC Run 3: 0,3 ab -1 8 x 10 35 SuperKEKB cm -2 s -1 (LHC) Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 4

Belle II Detector TDR: arXiv:1011.0352 K L and muon detector: Resistive Plate Counter (barrel) EM Calorimeter: Scintillator + WLSF + MPPC (end-caps) CsI(Tl), waveform sampling (barrel) Pure CsI + waveform sampling (end-caps) Particle Identifjcation electrons (7GeV) Time-of-Propagation counter (barrel) Prox. focusing Aerogel RICH (fwd) Beryllium beam pipe 2cm diameter Muon positrons (4GeV) detector Vertex Detector 2 layers DEPFET + 4 layers DSSD Magnet Muon Velocity Central Drift Chamber detector Photon He(50%):C 2 H 6 (50%), small cells, long lever arm, fast electronics Charged particle Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 5 Tracking Calorimeter

B → D (*) τν @ Belle II ➢ Challenge: Reconstruction of decays with neutrinos Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 6

Time Line item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 7

First Collisions on April 26 Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 8

Data Flow item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 9

Resource Estimates item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 10

Belle II Collaboration item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 11

Computing Model item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 12

Expected Network Traffic item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 13

Computing System item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 14

Production System item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 15

Monitoring item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 16

MC Production Campaigns item ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 17

Summary Exciting physics potential with 50 ab -1 at Belle II ➢ Two orders of magnitude higher data volume than at Belle ➢ Distributed computing system based on ➢ ➔ Existing technologies: DIRAC, LFC, CVMFS, ... ➔ Own development: DIRAC extensions, gbasf2 client, ... DIRAC provides interface to ARC-CEs ➢ Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 18

Belle II Virtual Reality Thomas Kuhr NorduGrid Conference, 04.06.2018 Seite 19