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Joint workshop of TYL/FJPPN and FKPPN 2026

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ACT CITY HAMAMATSU Congress Center

ACT CITY HAMAMATSU Congress Center
Description

We are pleased to invite you to the Joint Workshop of TYL/FJPPN and FKPPN, to be held in Hamamatsu, Japan. 

The workshop consists of keynote talks, reports from institutions, award ceremonies, and project reports. The last day, May 21, is dedicated for an optional tour to the factory of Hamamatsu Photonics etc.

Keynote talks include the one from Hamamatsu Photonics to cover its technical development of photo-sensors.

This year, 2026, marks the 20th anniversary of France-Japan Particle Physics Laboratory/Network, and we plan to have a special session to celebrate. 

The official hotel will be Hotel Crown Palais Hamamatsu, which is right across the street from the conference venue. Participants are recommended to book through our webpage. The charge will be announced in the registration page.

Excursion is planned on Thursday, May 21st. We visit a factory of Hamamatsu Photonics and the YAMAHA museum, and return to the Hamamatsu station at around 4:30pm. (The slots for the excursion are all booked as of Apr 23.)

The registration is open until April 17 extended to Apr 24, but the hotels and excursion are arranged in a first-come-first-served principle. The registration fee is 10,000 JPY, plus 3,000 JPY for those who join the optional excursion.

 

Organizers: Guillaume Batigne (SUBATECH), Marc Besancon (IRFU), Shoji Hashimoto (KEK, chair), Youngman Kim (IBS), Emi Kou (IJClab), Francois Le Diberder (IJClab)

Hosted by: High Energy Accelerator Research Organization (KEK)

Supported by: Japan Society for the Promotion of Science (JSPS)  , Hamamatsu Photonics K.K.

 

Contact
Participants
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  • Monday 18 May
    • Opening
      Convener: Shoji HASHIMOTO
    • Award ceremony: Toshiko Yuasa Award
      Convener: Marc Besancon
    • Collaboration projects: Plenary I
      Convener: Emi Kou
      • 3
        [FJPPN HEP_16] 2-fermion production at Higgs Factories
        Speaker: Roman Poeschl (CNRS/IN2P3/IJCLab)
        talk180526.pdf
      • 4
        [FJPPN D_RD_42] Development of highly-granular silicon-tungsten calorimeter for circular and linear Higgs factories
        Speaker: Taikan Suehara
        260518-fjppn-siwecal-suehara.pdf
      • 5
        [FJPPN A_RD_33] Lumi opt - FLC: ATF2 experiments
        Speaker: Toshiyuki Okugi (KEK)
        ATF2_okugi_20260518.pdf
      • 6
        [FJPPN D_RD_34] Field emitter array In XEnon Detector
        Speaker: Romain Gaior (ILANCE / LPNHE)
        document.pdf
    • Collaboration projects: Parallel Ia
      Convener: Mathieu Omet
      • 7
        [FJPPN HEP_18, remote] Beyond the SM physics probed with Higgs boson pair production in the ATLAS experiment
        Speaker: Tatsuya Masubuchi (The University of Osaka)
        FJPPL_workshop2026.pdf
      • 8
        [FJPPN HAD_07, remote] Quarkyonic Matter in and out of equilibrium
        Speaker: Yuki Fujimoto (Niigata University)
        HAD_07_YukiFujimoto.pdf
      • 9
        [FJPPN A_RD_23, remote] Correlation between vibrations, luminosity and beam position measurements at SuperKEKB
        Speaker: Laurent BRUNETTI (LAPP CNRS)
        Application-A-RD-23-2026_v01.pdf
      • 10
        [FJPPN A_RD_32, remote] Beyond the-state-of-the-art SRF cavities with advanced surface preparation
        Speaker: Akira Miyazaki (CNRS/IN2P3/IJCLab)
        document.pdf
      • 11
        [FJPPN COS_01, remote] Interfacing the instrument and data analysis pipeline developments for the observation of primordial CMB B modes with LiteBIRD
        Speaker: Clément Leloup (IJCLab - CNRS)
    • Collaboration projects: Parallel Ib
      Convener: Guillamue Batigne
      • 12
        [FKPPN BEAM, remote] Beam simulations
        Speaker: Kihyeon Cho (KISTI)
        fkppn2026_beam_051826.pdf
      • 13
        [FKPPN FAZIA, remote] French-Korean Collaboration for FAZIA experiment
        Speaker: Byungsik Hong (Korea University)
        Hong_upload.pdf
      • 14
        [FKPPN DRDCALOECAL]
        Speaker: Roman Poeschl (CNRS/IN2P3/IJCLab)
        CALICE_talk180526.pdf
      • 15
        [FKPPN SPARADA] SPAce RAdiation DAmage
        Speaker: Ji Won Choi (Yonsei University)
        FKPPN-2026_SPARADA.pdf
    • Keynote: Hamamatsu Photonics
      Convener: Junji Haba
      • 16
        Introduction to MPPC as a Photon Counting Device and Its Development

        This presentation provides an overview of the latest technologies and applications of the Multi-Pixel Photon Counter (MPPC), also known as the SiPM, focusing primarily on high-energy physics experiments, as one of Hamamatsu Photonics’ key optical detection technologies.

        Speaker: Yoichiro Ishikawa (Hamamatsu Photonics K.K.)
        20260518_Intoduction to MPPC as a Photon Counting Device and Its Development.pdf
    • Collaboration projects: Plenary II
      Convener: Junji Haba
      • 17
        [FJPPN A_RD_29, remote] R&D toward next generation Energy Recovery Linacs
        Speaker: Oleksiy Fomin (IJCLab / IN2P3)
        FJPPN_A_RD_29_Fomin.pdf
      • 18
        [FJPPN D_RD_40] Design and characterization of very finely segmented pixelated AC-LGAD sensors and readout electronics
        Speaker: Koji Nakamura (KEK)
        document.pdf
      • 19
        [FJPPN D_RD_27] Study of modern FPGA device and associated new technology, and search for possible application in High Energy experiments
        Speaker: Yun-Tsung Lai (KEK IPNS)
        20260518_D_RD_27.pdf
    • Award ceremony: Young Investigator Award
      Convener: Marc Besancon
    • Social events: Reception
  • Tuesday 19 May
    • Collaboration projects: Parallel IIa
      Convener: Jerome Baudot
      • 21
        [FJPPN FLAV_06] Precise Measurements and Searches for Forbidden Decays of B mesons and tau lepton
        Speaker: Akimasa ISHIKAWA (KEK)
        20260519TYLFJPPN_v1.0_ishikawa.pdf
      • 22
        [FJPPN D_RD_28] Toward the design of the TPC at future colliders
        Speaker: Serguei GANJOUR (CEA-Saclay/IRFU)
      • 23
        [FJPPN D_RD_29] Bootstraping mAps development in a SHared Investigation (BASHI)
        Speaker: Manabu Togawa (KEK)
        D_RD_29_BASHI_2026.pdf
      • 24
        [FJPPN D_RD_32] Future SuperKEKB IR design upgrade Challenge for higher luminosity
        Speaker: Shuji Tanaka (KEK)
        D_RD32 2026 reportR2.pdf
      • 25
        [FJPPN D_RD_39] New generation of MAPS-based telescope with the sensors planned for the Belle II upgrade
        Speaker: Jerome Baudot (IPHC-Strasbourg)
        baudot_DRDR39-1.pdf
    • Collaboration projects: Parallel IIb
      Convener: Youngman Kim
      • 26
        [FKPPN HotDISCO, remote] 2025-2026 activity report of the HotDISCO project
        Speaker: Alexander Rothkopf (Korea University)
        FKPPN_Rothkopf_v1_anim.pdf
      • 27
        [FKPPN THW-BSM, remote] The Top quark and the Higgs boson as Windows
        Speaker: Seung J. Lee (KIAS)
      • 28
        [FKPPN VUD-NUCL, remote] Nuclear structure corrections for low-energy precision tests of the Standard Model via nuclear beta decays
        Speaker: Latsamy Xayavong (Yonsei University)
        FKPPL_Workshop_2026.pdf
    • Collaboration projects: Parallel IIIa
      Convener: Megumi Naruki
      • 29
        [FJPPN D_RD_30] RPC assembling facility in J-PARC
        Speaker: Natsuki Tomida (Kyoto University)
        20260519_FJPPN_tomida5.pdf
      • 30
        [FJPPN D_RD_33] AC-LGAD Detector with Continuous Readout for 4-Dimensional High-Resolution Measurement at EIC ePIC
        Speaker: Kenta Shigaki (Hiroshima University)
        fjppn_shigaki_20260519.pdf
      • 31
        [FJPPN D_RD_38] Next-Generation MAPS Sensors for ALICE 3 Outer Tracker
        Speaker: Yorito Yamaguchi (Hiroshima University)
        D_RD_38_yamaguchi.pdf
      • 32
        [FJPPN D_RD_36] Commissioning and further development of cryogenic readout electronics for LAr-TPC applications
        Speaker: Ritsuya HOSOKAWA (Iwate University)
        TYL_FJPPN_Lyon-Iwate_2026Hamamatsu.pdf
    • Collaboration projects: Parallel IIIb
      Convener: Francois Le Diberder
      • 33
        [FKPPN ALICE-HF]
        Speaker: Rachid Guernane (LPSC Grenoble CNRS–IN2P3/University Grenoble Alpes)
      • 34
        [FKPPN RPCGAP, remote] RPC gap production facility for CMS and beyond
        Speaker: Tae Jeong Kim (Hanyang University)
        2026_0519_FKPPN_Taejeong.pdf
      • 35
        [FKPPN FNEPS, remote] Recent (interesting) alternatives to FIMP/WIMP scenarios
        Speaker: Yann Mambrini (CNRS)
        FKPPN_mambrinipdf.pdf
    • Keynote: Hyper K project
      Convener: Naohito Saito
      • 36
        Status of HyperKamiokande
        Speaker: Christophe Bronner (Yokohama National University)
        HK_project.pdf
    • Collaboration projects: Plenary III
      Convener: Naohito Saito
      • 37
        [FJPPN NU_10] Neutrino cross section measurements with the current and upgraded T2K near detectors
        Speaker: Wataru Okinaga (The University of Tokyo)
        NU_10.pdf
      • 38
        [FJPPN NU_09] Characterization of the upgraded J-PARC neutrino beam for T2K-II and HK experiments
        Speaker: Romain Gaior (ILANCE / LPNHE)
        document.pdf
      • 39
        [FJPPN D_RD_41] R&D towards ND280++ a new Near Detector for the Hyper-K precision phase era
        Speaker: Tatsuya Kikawa (Kyoto University)
        d_rd_41_kikawa.pdf
    • Institutional reports: French, Japanese, Korean labs
      Convener: Yutaka Ushiroda
    • Social events: Banquet Kuretake-so

      Kuretake-so
  • Wednesday 20 May
    • Collaboration projects: Parallel IVa
      Convener: Kensei Umemori
      • 45
        [FJPPN D_RD_37] Evaluation of Temporal Resolution in Monolithic Pixel Sensors Using Time-Structured X-rays at a Synchrotron Facility
        Speaker: Fabienne ORSINI (RIKEN SPring-8 Center)
        2026-05-20_FOrsini_FJPPN-D_RD_37_v2.pdf
      • 46
        [FJPPN A_RD_25] Continued effort towards ultimate performance for accelerator cavities
        Speaker: Yasuhiro Fuwa (Japan Atomic Energy Agency)
        FJPPN2026_A_RD_25_v2.pdf
      • 47
        [FJPPN A_RD_26] Investigation of an alternative path for SRF cavity fabrication and surface processing
        Speaker: Takeshi DOHMAE (KEK)
      • 48
        [FJPPN A_RD_27] Robotisation of clean room assembly
        Speaker: Hayato Araki (KEK)
        FJPPN-A_RD_27(1).pdf
      • 49
        [FJPPN A_RD_28] Diagnostics and bunker design for a high-performance cryomodule test facility at KEK
        Speaker: Mathieu Omet (KEK)
        FJPPL-_A_RD_28_CEA _KEK_2026_v3.pdf
    • Collaboration projects: Parallel IVb
      Convener: Roman Poeschl
      • 50
        [FJPPN COMP_05] R&D for the exascale computing environment
        Speaker: Sebastien Gadrat (CC-IN2P3 / CNRS)
        FJPPN_Report_COMP05.pdf
      • 51
        [FJPPN contrib] ssbar production in future linear colliders
        Speaker: Jesús Pedro Márquez Hernández (IJCLAB (CNRS))
        ssbar_FJPPN_2026.pdf
      • 52
        [FJPPN contrib] CNN-Based Hadron Energy Regression for the ILD SiW-ECAL and AHCAL System
        Speaker: Xin XIA (IJCLab - CNRS)
        FJPPN_05182026.pdf
      • 53
        [FJPPN contrib] Upgrade of the reconstruction algorithms from Super-K towards Hyper-K
        Speaker: Erwan Le Blévec (Laboratoire LePrince-Ringuet / ILANCE)
        2026_06_fppjl_compressed.pdf
      • 54
        [FKPPN ABI-SMNS]
        Speaker: Youngman Kim (CENS, IBS)
        FKPPN-2026-ABI-SMNS_YK.pdf
    • Collaboration projects: Plenary IV
      Convener: Emi Kou
      • 55
        [FJPPN APP_01] Investigation of oxygen effects induced by carbon ion irradiation via Geant4-DNA simulations
        Speaker: Shogo Okada (KEK)
        FJPPN26_APP_01.pdf
      • 56
        [FJPPN A_RD_22] Modeling and start-to-end simulation of positron sources for future colliders
        Speaker: Yoshinori Enomoto (KEK)
        2026-FJPPL-enomoto-v2.pdf
      • 57
        [FJPPN A_RD_24] Study of Laser – Beam arrival time synchronization towards sub-ps level
        Speaker: Antoine Back (IJCLab - CNRS/IN2P3 - Université Paris-Saclay)
        fjppn_workshop_2026.pdf
    • FJPPN 20: past 20 years and future
      Convener: Francois Le Diberder
    • Closing
      Convener: Youngman Kim
    • 62
      TYL working lunch
    • Meetings: FJPPN steering
    • Meetings: FKPPN steering
  • Thursday 21 May
    • Social events: Excursion