Research on a programmable logic computer for the application of charged track reconstruction in high energy physics.

• Project/Area Number: 20740131
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Nagoya University
• Principal Investigator: SENYO Katsumi Nagoya University, 教養教育院, 講師 (80324391)
• Project Period (FY): 2008 – 2009
• Project Status: Completed (Fiscal Year 2009)
• Budget Amount: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000); Fiscal Year 2009: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
• Keywords: 粒子測定技術 / 計算機システム / シミュレーション工学 / 素粒子実験

Research Abstract

In order to accelerate numerical curve fit on tracking of highenergy physics experiments, we have developed PLD-based computing device and SIMD-based algorithm, and expect 50 to 100 times faster than that with traditional software-based computing method at our project.

Research Products

• [Journal Article] Evidence for a New Resonance and Search for theY(4140) in the γγ→. (2010)
  • Author(s): C.P.Shen, K.Senyo, 他
  • Journal Title: J/ψ Process Physical Review Letters 104 Pages: 112004-112004
• [Journal Article] Search for Lepton Flavor and Lepton Number Violating tau Decays into a Lepton and Two Charged Mesons. (2010)
  • Author(s): Y.Miyazaki, K.Senyo, 他
  • Journal Title: Physics Letters B682 Pages: 355-362
• [Journal Article] Evidence for $B^-->\tau^-\bar{\nu}$ with a Semileptonic Tagging Method. (2010)
  • Author(s): K.Hara, K.Senyo, 他
  • Journal Title: Physical Review D82 Pages: 71101-71101
• [Journal Article] Search for Lepton Flavor Violating Tau Decays into Three Leptons with 719 Million Produced Tau+Tau-Pairs (2010)
  • Author(s): K.Hayasaka, K.Senyo, 他
  • Journal Title: Physics Letters B687 Pages: 139-143
• [Journal Article] Evidence for direct CP violation in the decay B->D(*)K, D->KsPi+Pi-and measurement of the CKM phase phi3. (2010)
  • Author(s): A.Poluektov, K.Senyo, 他
  • Journal Title: Physical Review D81 Pages: 112002-112002
• [Journal Article] Evidence for $B^-->￥tau^- ￥bar{￥nu}$ with a Semileptonic Tagging Method. (2010)
  • Author(s): K.Hara, 他
  • Journal Title: Physical Review D Volume: 82 Pages: 71101-71101
  • Peer Reviewed
• [Journal Article] Search for Lepton Flavor Violating Tau Decays into Three Leptons with 719 Million Produced Tau+Tau- Pairs (2010)
  • Author(s): K.Hayasaka, 他
  • Journal Title: Physics Letters B Volume: 687 Pages: 139-143
  • Peer Reviewed
• [Journal Article] Evidence for direct CP violation in the decay B->D(*)K, D->KsPi+Pi- and measurement of the CKM phase phi3. (2010)
  • Author(s): A.Poluektov, 他
  • Journal Title: Physical Review D Volume: 81 Pages: 112002-112002
  • Peer Reviewed
• [Journal Article] Measurement of the branching fraction for the decay Upsilon(4S )->Upsilon(1S)pi+pi- (2009)
  • Author(s): A.Sokolov, K.Senyo, 他
  • Journal Title: Physical Review D79 Pages: 51103-1
• [Journal Article] Observation of B+→p Λ.π+π-at Belle (2009)
  • Author(s): P.Chen, K.Senyo, 他
  • Journal Title: Physical Review D80 Pages: 111103-111103
• [Journal Article] Measurement of the branching fraction for the decay Upsilon (4 S)-> Upsilon (1 S) pi^+pi^- (2009)
  • Author(s): A. Sokolov, 他
  • Journal Title: Physical Review D 79
  • Peer Reviewed
• [Journal Article] High-statistics measurement of neutral-pion pair production in two-photon collisions. (2008)
  • Author(s): S.Uehara, K.Senyo, 他
  • Journal Title: Physical Review D78 Pages: 52004-1
• [Journal Article] Evidence for Neutral B Meson Decays to omega K*0. (2008)
  • Author(s): P.Goldenzweig, K Senyo, 他
  • Journal Title: Physical Review Letters 101 Pages: 231801-1
• [Journal Article] High-statistics measurement of neutral-pion pair production in two-photon collisions (2008)
  • Author(s): S. Uehara, 他
  • Journal Title: Physical Review D 78
  • Peer Reviewed
• [Journal Article] Evidence for Neutral B Meson Decays to omega K * 0 (2008)
  • Author(s): P. Goldenzweig, 他
  • Journal Title: Physical Review Letters 101
  • Peer Reviewed
• [Presentation] Recent results on phi3 at Belle Lake Louise Winter Institute 2010 (2010)
  • Author(s): K.Senyo
  • Place of Presentation: Lake Louise, Alberta, Canada
  • Year and Date: 2010-02-17