6th Open Meeting for the Hyper-Kamiokande Project

Asia/Tokyo
Lecture Hall (Kavli IPMU, The University of Tokyo)

Lecture Hall

Kavli IPMU, The University of Tokyo

5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
Description

Overview

The Hyper-Kamiokande project is being designed to be the next decade's flagship experiment for the study of neutrino oscillations, nucleon decays, and astrophysical neutrinos.

We will hold the 6th International Open Working Group Meeting for Hyper-Kamiokande. The meeting will be open to all interested scientists and community members.



The outline of the meeting is:
        • 28 January (Wed.):  Preemeetings
        • 29 January (Thu.):   Convener meeting, IBR (International Board of Representatives) Meeting, Plenary Sessions
        • 30 January (Fri.): Plenary Sessions
        • 31 January (Sat.):  Plenary Session till noon, followed by the proto-collaboration symposium


The slides for the past open meetings can be found here;
(1st) http://indico.ipmu.jp/indico/conferenceTimeTable.py?confId=7#all.detailed
(2nd) http://indico.ipmu.jp/indico/conferenceTimeTable.py?confId=10#all.detailed
(3rd) http://indico.ipmu.jp/indico/conferenceTimeTable.py?confId=23#all.detailed
(4th) http://indico.ipmu.jp/indico/conferenceTimeTable.py?confId=29#all.detailed
(5th) http://indico.ipmu.jp/indico/conferenceTimeTable.py?confId=34#all.detailed

The goal of this meeting is to further discuss the physics potentials of Hyper-K, the design of the detector, and necessary R&D items including:
  • cavern excavation,
  • tank liner material and its design,
  • photo-sensors and their support structure,
  • DAQ electronics and computers,
  • calibration systems,
  • water purification systems,
  • software development,
  • neutrino beam-line,
  • near detector,
  • physics potentials of Hyper-K, and so on.

Participants are encouraged to submit abstracts for talks in which to present their individual interests in topics specifically related to Hyper-K, as well as discuss possible future contributions to the project.

If you would like to contact the relevant people in our group in advance to discuss the Hyper-K project and its development work, please click the contact information menu (on the left side of this page) to send an email [ hkmeeting_contact@km.icrr.u-tokyo.ac.jp ] to us.


We expect that those who are interested in joining the project will come to this meeting. However, the meeting will require prior registration to participate.  Due to capacity constraints at the meeting site we urge all interested parties to register at their earliest possible convenience.

We are looking forward to seeing you in Kashiwa,

Local Organizing Committee Membershkmeeting_loc@ipmu.jp >:

Mark HARTZ (Kavli IPMU), Kimihiro OKUMURA (ICRR), Yasuhiro NISHIMURA (ICRR), Shoko ICHIKAWA (Kavli IPMU)

Scientific Organizing Committee Membershkmeeting_contact@km.icrr.u-tokyo.ac.jp >:
Francesca DI LODOVICO (QMUL), Mark HARTZ (Kavli IPMU), Yoshinari HAYATO (ICRR), Yusuke KOSHIO (Okayama), Neil MCCAULEY (Liverpool), Akihiro MINAMINO (Kyoto), Shun-ichi MINE (UCI), Makoto MIURA (ICRR), Tsuyoshi NAKAYA (Kyoto), Shoei NAKAYAMA (ICRR), Yasuhiro NISHIMURA (ICRR), Kimihiro OKUMURA (ICRR), Hiroyuki SEKIYA (ICRR), Masato SHIOZAWA (ICRR, chair), Yasuo TAKEUCHI (Kobe), Hidekazu TANAKA (ICRR), Hirohisa TANAKA (UBC), Mark VAGINS (Kavli IPMU), Chris WALTER (Duke), Roger WENDELL (ICRR), Masashi YOKOYAMA (Tokyo)

 
Participants
  • Akihiro Minamino
  • Akimichi Taketa
  • Akira Konaka
  • Akitaka Ariga
  • Alessandro Bravar
  • Alexander Himmel
  • Arturo Fiorentini
  • Benjamin Quilain
  • Bolognesi Sara
  • Carsten Rott
  • Chenyuan Xu
  • CHOI JUNE HO
  • Chris Kachulis
  • Chris Walter
  • Christophe Bronner
  • Corina Nantais
  • Daisuke Fukuda
  • David Hadley
  • David Payne
  • David Wark
  • Debra Dewhurst
  • Ed Kearns
  • Emilio Radicioni
  • Eric D. Zimmerman
  • Erin O'Sullivan
  • Euan Richard
  • Ewa Rondio
  • Francesca Di Lodovico
  • Gianfranca De Rosa
  • Giles Barr
  • Hank Sobel
  • Hide-Kazu TANAKA
  • hirohisa tanaka
  • Hiroshi Nunokawa
  • HIROYUKI KYUSHIMA
  • Hiroyuki Sekiya
  • Hisakazu Minakata
  • in taek Lim
  • James Imber
  • Joachim Rose
  • Joanna Zalipska
  • John Martin
  • Jun Kameda
  • Justyna Lagoda
  • Kai Martens
  • Kimihiro Okumura
  • Kunxian HUANG
  • Kyoko Okada
  • Linda Cremonesi
  • Lluis Marti Magro
  • Luis Labarga
  • Luke Pickering
  • Makoto Miura
  • Marat Khabibullin
  • Marcin Ziembicki
  • Maria Gabriella Catanesi
  • Mark Hartz
  • Mark Rayner
  • Mark Scott
  • Mark Vagins
  • Masahiro Kotani
  • Masahiro Kuze
  • Masaki Ishitsuka
  • Masashi Yokoyama
  • Masato SHIOZAWA
  • Masayuki Nakahata
  • Matthew Lawe
  • Matthew Malek
  • Megan Friend
  • Miao Jiang
  • Michael Wilking
  • Michel Gonin
  • Monireh Kabirnezhad
  • Motoyasu Ikeda
  • Myoung Youl Pac
  • Neil McCauley
  • Nikhul Patel
  • Norihisa Fujioka
  • Pablo Fernández Menéndez
  • Per Jonsson
  • Phillip Litchfield
  • raj shah
  • Richard Calland
  • Roger Wendell
  • Ryosuke AKUTSU
  • Samantha Short
  • Seiko Hirota
  • Shimizu Itaru
  • Shimpei Tobayama
  • Shoei Nakayama
  • Shunichi Mine
  • Son Cao
  • Soo-Bong Kim
  • Stanley Yen
  • Tadashi Koseki
  • TAKASHI KOBAYASHI
  • Takatomi Yano
  • Takayuki OHMURA
  • Taku Ishida
  • Tatiana Ovsiannikova
  • Teppei Katori
  • Tetsuro Sekiguchi
  • Thomas Lindner
  • Tom Feusels
  • Tomoyo Yoshida
  • Trevor Stewart
  • Tsuyoshi NAKAYA
  • Wing Yan Ma
  • Yasuhiro NISHIMURA
  • Yasuo Takeuchi
  • Yoichiro Suzuki
  • Yoshi Uchida
  • Yoshiaki FUJII
  • Yoshihiko Kawai
  • Yoshihisa Obayashi
  • Yoshinari Hayato
  • Yoshitaka Itow
  • Yuichi Oyama
  • Yuji Okajima
  • Yury Kudenko
  • Yusuke Koshio
  • Yusuke Suda
  • Yuuki Nakano
    • 09:00 12:00
      Near Detector/Flux Meeting Seminar Room

      Seminar Room

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      Convener: Prof. Mark Hartz (Kavli IPMU (WPI), The University of Tokyo/TRIUMF)
      • 09:00
        TITUS Introduction 10m
        Speaker: Prof. Francesca Di Lodovico (Queen Mary, University of London)
        Slides
      • 09:10
        TITUS Analysis 35m
        Speaker: Dr David Hadley (University of Warwick)
        Slides
      • 09:45
        TITUS Sensitivities 15m
        Speaker: Dr Sam Short (Queen Mary University of London)
        Slides
      • 10:00
        TITUS MRD 15m
        Speaker: Dr Mark Rayner (Université de Genève)
        Slides
      • 10:15
        nuPRISM Introduction 25m
        Speaker: Prof. Michael Wilking (Stony Brook University)
        Slides
      • 10:40
        nuPRISM Analysis 35m
        Speaker: Dr Mark Scott (TRIUMF)
        Slides
      • 11:15
        The WAGASCI Detector 25m
        Speaker: Dr Akihiro Minamino (Kyoto University)
        Slides
    • 15:00 17:30
      Photo-detector and Accessaries Seminar Room B

      Seminar Room B

      Kavli IPMU, The University of Tokyo

      Conveners: Dr Shoei Nakayama (Kamioka Observatory, ICRR, University of Tokyo), Dr Yasuhiro NISHIMURA (ICRR)
    • 08:30 10:30
      Registration Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 09:00 10:00
      Convener Meeting Seminar room A

      Seminar room A

      Kavli IPMU, The University of Tokyo

      • 09:00
        report 20m
        Speaker: Prof. Masato SHIOZAWA (ICRR, The University of Tokyo)
        Slides
    • 10:30 10:50
      Opening Session Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 10:30
        Opening remark 20m
        I will present backgrounds, meeting goals, and meeting outline.
        Speaker: Prof. Masato SHIOZAWA (ICRR, The University of Tokyo)
        Slides
    • 10:50 11:50
      Cavity and Tank Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 10:50
        Detector design studies for CDR 20m
        I will give overview of detector design studies and their future plan for CDR.
        Speaker: Prof. Masato SHIOZAWA (ICRR, The University of Tokyo)
      • 11:10
        Cavity design and optimization 20m
        This talk discusses the HK cavity design and its optimization.
        Speaker: Dr Hide-Kazu TANAKA (ICRR, University of Tokyo)
        Slides
      • 11:30
        Cavity design and optimization II 20m
        Speaker: Dr Taku Ishida (KEK)
        Slides
    • 11:50 12:50
      Lunch Break 1h Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 12:50 14:00
      Cavity and Tank Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 12:50
        Tank design and optimization 20m
        Speaker: Shoei NAKAYAMA (ICRR, The University of Tokyo)
        Slides
      • 13:10
        Pressure-resistance of photo-sensor and cover 20m
        Speaker: Yasuhiro NISHIMURA
        Slides
      • 13:30
        Background Study for thin Hyper-K OD 20m
        We will discuss about the effect of thinner OD, especially for background.
        Speaker: Dr Takatomi Yano (Kobe Univ.)
        Slides
      • 13:50
        Summary and plan 10m
        summary and plan of detector design studies.
        Speaker: Prof. Masato SHIOZAWA (ICRR, The University of Tokyo)
    • 14:00 14:20
      Physics Potentials Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 14:00
        Off-Axis angle optimisation studies 20m
        We will present sensitivity studies performed with the VaLOR analysis framework to determine the optimum off-axis angle for T2HK. Studies assumed a total integrated beam power of 7.5MW years and 320kA horn current.
        Speaker: Mr Raj Shah (Oxford University)
        Slides
    • 14:20 14:40
      Break 20m Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 14:40 16:10
      Physics Potentials Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 14:40
        HyperK potential to study the leptonic unitarity triangle 20m
        I would like to discuss the potential path for Hyper-K and its upgrade to constrain the Unitarity Triangle of the leptonic sector.
        Speaker: Dr Akira Konaka (TRIUMF/RCNP)
        Slides
      • 15:00
        HK Sensitivity to Sterile Neutrinos and Lorentz Violation 20m
        I will present studies of Hyper-K's potential sensitivity to sterile neutrino oscillations induced by the parameters |Uµ4|^2 and |Uτ4|^2 and isotropic Lorentz-violating parameters from the Standard Model Extension (SME). These sensitivity studies are based on SK analyses, scaled up to equivalent HK livetimes.
        Speaker: Dr Alexander Himmel (Duke University)
        Slides
      • 15:20
        Spectrometry of the Earth core using Hyper-K : Sensitivity study 15m
        Neutrino oscillation is sensitive to the electron density of the media. Hyper-K has a potential to measure the electron density of the deep Earth by measuring atmospheric neutrino oscillation. By combining the electron density and the matter density, we can measure the average chemical composition as the ratio of atomic number (Z) to atomic mass (A). We report the sensitivity of Hyper-K as the Z/A spectrometer. We also report the systematic uncertainty of oscillation probabilities derived from matter density models.
        Speaker: Dr Akimichi Taketa (Earthquake Research Institute)
        Slides
      • 15:35
        Supernova study with Hyper-K 15m
        We will discuss about the physics ablity of Hyper-K about several Supernove detection.
        Speaker: Dr Takatomi Yano (Kobe Univ.)
        Slides
      • 15:50
        Summary and prospects of physics group activities 20m
        I will discuss the activities of physics working groups.
        Speaker: Masashi Yokoyama (University of Tokyo)
        Slides
    • 16:10 18:10
      IBR Meeting Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 08:30 09:00
      Registration Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 09:00 09:20
      Opening Session Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 09:00
        EC/IBR report and proto-collaboration 20m
        Speaker: Tsuyoshi NAKAYA (Kyoto University)
        Slides
    • 09:20 09:45
      Water System Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 09:20
        Overview and source water studies in Mozumi 15m
        WG2 summary especially on pure water system. Main strategy, main problem(source water), all the options, cost estimations will be shown. (Hopefully...)
        Speaker: Dr Hiroyuki Sekiya (ICRR/IPMU)
        Slides
      • 09:35
        Gd Studies in Mozumi 10m
        The current status of the EGADS project will be discussed.
        Speaker: Prof. Mark Vagins (IPMU)
        Slides
    • 09:45 10:55
      Photo-detector and Accessaries Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 09:45
        Update on Development of ETEL/ADIT 11" HQE PMT's 20m
        As of the end of January we have received ten prototype 11" HQE PMT's from the ETEL R&D facility n the U.K. We present preliminary results on PMT performance from testing at the University of Pennsylvania. Plans for further testing and development are also presented.
        Speaker: Ed Kearns (Boston University)
        Slides
      • 10:05
        Status of the Photosensor Test Facility at TRIUMF 25m
        I will present the latest status of the PTF at TRIUMF
        Speaker: Dr Tom Feusels (University of British Columbia)
        Slides
      • 10:30
        Performance evaluation of the 50 cm box-and-line dynode photomultiplier tube 25m
        A box-and-line photomultiplier tube (PMT) with a 50 cm diameter size was developed by Hamamatsu. Its performance is superior to the conventional PMT used in Super-Kamiokande. We measured various performance of the PMT in detail. The specification and usability will be reported.
        Speaker: Mr Miao Jiang (Kyoto University)
        Slides
    • 10:55 11:15
      Break 20m Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 11:15 11:50
      Photo-detector and Accessaries Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 11:15
        Test of new photodetectors in a water tank 20m
        The second phase of the proof test with three 50 cm box-and-line photomultiplier tubes has started since 2014 summer. A calibration and basic performance measurement in the tank were performed. In addition, eight 20 cm hybrid photodetectors and five 50 cm PMTs with a high quantum efficiency have been also evaluated continuously from 2013 and its operational period will reach a year. This talk will present the recent progress and stability monitor of the photodetectors.
        Speaker: Dr Yasuhiro NISHIMURA (ICRR)
        Slides
      • 11:35
        Photodetector R&D progress and plan 15m
        Ongoing R&D status and plan in near future will be presented.
        Speaker: Dr Yasuhiro NISHIMURA (ICRR)
        Slides
    • 11:50 12:50
      Lunch 1h Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 12:50 13:50
      DAQ and Electronics Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 12:50
        DAQ R&D status in Japan and US 20m
        DAQ R&D status in Japan and US
        Speaker: Dr Yoshinari Hayato (Kamioka obs., ICRR, Univ. of Tokyo)
        Slides
      • 13:10
        Canadian Electronics R&D 20m
        We will report on progressing testing new signal shaping circuits (designed by Polish group) using 100MHz, 250MHz and 500 MHz digitizers. Will discuss medium term plans for making a full prototype digitizer boards. Will also report on latest progress on RapidIO communications tests.
        Speaker: Mr Thomas Lindner (TRIUMF)
        Slides
      • 13:30
        UK DAQ activities 20m
        The UK is currently developing designs for Data Acquisition Systems (DAQ) for the full-scale detectors. The design of the system is being driven by ongoing physics studies. An overview of such studies and a conceptual design for a DAQ system will be outlined.
        Speaker: Dr Giles Barr (University of Oxford)
        Slides
    • 13:50 14:35
      Detector Calibration Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 13:50
        HK calibration: introduction and overview 10m
        This talk discusses overview and plan of HK detector calibration WG.
        Speaker: Dr Hide-Kazu TANAKA (ICRR, University of Tokyo)
      • 14:00
        Calibration Source Deployment System 20m
        In current Super-K calibration, we need much manpower and working time. We have to automate these works in Hyper-K, which is 20 times larger than Super-K. We are planning to install a new deployment system in the Super-K detector as one of R&D's for Hyper-K. We report the current status.
        Speaker: Dr Atsumu Suzuki (Kobe University)
      • 14:20
        LED Calibration System 15m
        Pulsed LEDs are a possible light source for integrated calibration systems for Hyper Kamiokande. The status and plans for the R&D on such systems in the UK will be presented.
        Speaker: Dr Neil McCauley (University of Liverpool)
        Slides
    • 14:35 14:55
      Break 20m Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 14:55 16:30
      Software Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 14:55
        Introduction 10m
        Speaker: Prof. Chris Walter (Duke)
        Slides
      • 15:05
        Recent updates to the WCSim software package 20m
        WCSim is an open-source, Geant4-based code that was designed to simulate water Cherenkov detectors. In this talk, I will discuss features which have been added to the code since the last HK open meeting.
        Speaker: Erin O'Sullivan (Duke University)
        Slides
      • 15:25
        Hyper-K Event Reconstruction 20m
        The current status of the Hyper-K event reconstruction algorithm for Hyper-K will be presented.
        Speaker: Prof. Michael Wilking (Stony Brook University)
        Slides
      • 15:45
        Generalized Neutrino Event Generator 10m
        HK will require software to interface between atmospheric flux models, the HK detector geometry, and neutrino interaction simulators as the first step in an atmospheric MC. This talk will introduce software currently under development for SK which is intended to be easily portable to an experiment like HK, and easily expandable to non-atmospheric neutrino fluxes.
        Speaker: Christopher Kachulis (Boston University)
        Slides
      • 15:55
        Computing for Hyper-K 20m
        An overview of the current computing strategy and plans will be given. The simulation production status will be presented.
        Speaker: Prof. Francesca Di Lodovico (Queen Mary, University of London)
        Slides
      • 16:15
        Summary of the Software session and Prospects 15m
        In this talk, I will summarize current status of software development and discuss future prospects.
        Speaker: Dr Makoto Miura (Kamioka Observatory, ICRR, University of Tokyo)
        Slides
    • 16:30 16:50
      Break 20m Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 16:50 17:35
      J-PARC and Beamline Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 16:50
        J-PARC status and upgrade plans 25m
        Speaker: Prof. Tadashi Koseki (KEK)
      • 17:15
        Neutrino beam-line status and upgrade plans 20m
        Speaker: Prof. Yoshiaki Fujii (KEK)
    • 17:35 18:15
      Near Detectors Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 17:35
        NuPRISM Overview 20m
        The current status of the nuPRISM detector for T2K and Hyper-K will be presented.
        Speaker: Prof. Michael Wilking (Stony Brook University)
        Slides
      • 17:55
        NuPRISM Analysis Overview 20m
        An overview of the status and results of the ongoing NuPRISM analyses and the planned future analysis work.
        Speaker: Dr Mark Scott (TRIUMF)
        Slides
    • 08:30 09:00
      Registration Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 09:00 10:35
      Near Detectors Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 09:00
        TITUS: Introduction to the Intermediate Detector and Physics 30m
        The Tokai Intermediate Tank with Unoscillated Spectrum (TITUS) is a proposed new near detector for the Hyper-Kamiokande beam programme. The baseline design for TITUS features a 2 ktonne water Cherenkov (WC) detector at a distance of ~2 km from the J-PARC neutrino beam. TITUS is a 'next-generation' WC detector, including technological advances such as gadolinium-loading, and LAPPD photosensors. In addition, the detector will be partially enclosed by a magnetised muon range detector. This talk introduces the nominal design of TITUS, and details the physics potential of its WC component.
        Speaker: Dr Matthew Malek (Imperial College London)
        Slides
      • 09:30
        A Magnetized Muon Range Detector for TITUS 20m
        We clarify the design of the magnetized Muon Range Detector (MRD) for the proposed TITUS intermediate detector. Such an magnetized MRD would contain muons from interactions in the water Cherenkov detector, and would lend an extra advantage to the detector - the capacity to distinguish meutrino and antineutrino events, through the observation of the muon charge. We address both practical considerations and the foreseen event reconstruction performance.
        Speaker: Mark Rayner (Université de Genève)
        Slides
      • 09:50
        A 3D grid-like neutrino near detector with a water target, WAGASCI 25m
        A test experiment, T-59, to develop a 3D grid-like neutrino near detector with a water target for measurement of neutrino cross sections at the T2K near detector hall was approved by J-PARC PAC. We are developing the detector to reduce the uncertainty on neutrino cross sections for T2K oscillation analyses. A new idea, a 3D grid-like structure of scintillator bars, is adopted to detect tracks of charged particles with 4pi angular acceptance and high efficiency. Advantages of this detector over the current T2K neutrino near detector are larger angular acceptance and larger mass ratio of water to scintillator bars. The current status of the test experiment and the future potential to upgrade the detector to a near detector of T2HK will be presented.
        Speaker: Dr Akihiro Minamino (Kyoto University)
        Slides
      • 10:15
        Applications of Water-based Liquid Scintillator in the T2K Near Detector 20m
        A fine-grained, water-based liquid scintillator detector to replace the current passive water + plastic scintillator target in FGD2 in the T2K ND280 tracker system would allow the direct tracking of low energy hadrons emitted by neutrino interactions on oxygen. We are currently building a 1-cell prototype using the WbLS developed at BNL to test for light output.
        Speaker: Prof. Stanley Yen (TRIUMF)
        Slides
    • 10:35 10:55
      Break 20m Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
    • 10:55 11:55
      Summary Lecture Hall

      Lecture Hall

      Kavli IPMU, The University of Tokyo

      5-1-5 Kashiwanoha, Kashiwa, 277-8583, Japan
      • 10:55
        Summary 1h
    • 14:00 15:30
      Inaugural Symposium of the Hyper-Kamiokande Proto-collaboration Room1+2 (Kashiwa-no-ha Conference Center)

      Room1+2

      Kashiwa-no-ha Conference Center

      Kashiwanoha, Kashiwa, 277-8583, Japan
      • 14:00
        Overview of the Hyper-Kamiokande Project 10m
        Speaker: Prof. Masato SHIOZAWA (ICRR, The University of Tokyo)
      • 14:10
        The J-PARC Neutrino Beam Facility 10m
        Speaker: Prof. Takashi Kobayashi (KEK)
      • 14:20
        The International Proto-Collaboration 15m
        Speaker: Prof. Francesca Di Lodovico (Queen Mary, University of London)
      • 14:35
        International Cooperation 15m
        Speaker: Prof. Chris Walter (Duke University)
      • 14:50
        Memorandum for the Promotion of the Hyper-Kamiokande Project 15m
        Speakers: Prof. Masanori Yamauchi (KEK), Prof. Takaaki Kajita (University of Tokyo)
      • 15:05
        Closing 10m
        Speaker: Prof. Tsuyoshi NAKAYA (Kyoto)
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