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2nd Workshop for Atmospheric Neutrino Production in the MeV to PeV range

→ Asia/Tokyo
ONLINE

ONLINE
Hiroaki Menjo (Nagoya University (JP)), Yoshitaka Ito (Nagoya University (JP))
Description

==  THE WORKSHOP HAS BEEN RESCHEDULE == 

This workshop was originally planed for March 2020 and postponed due to COVID-19. Considering the current and possible situation of COVID-19 in this winter, we switch the workshop to ONLINE and re-schedule it to 12nd and 13rd January 2021. 

The information of online connection will be provided later to the registered participants. 

LOC, at 30 Oct. 2020

This workshop focus on the atmospheric neutrino measurement and its flux calculation which are getting more important for precise oscillation analysis in the low energy region and as background estimation of neutrino astronomy.  It aims at gathering experts related to the field and making a fruitful and informal discussion among participants.  

This workshop series started in 2019.
The first workshop on 20-22 March 2019, Nagoya Univ. Japan.  Webpage: https://indico.cern.ch/event/781361/.   

In this year,  we will focus more on the following subjects;

  • Connection between atmospheric and beam neutrino fluxes for a SK+T2K joint analysis.  
  • Impact on low energy neutrino (<100 MeV) measurements like relic supernova neutrino search. 
  • Muon measurements motivated by atmospheric neutrinos. 

The subjects are also mentioned as well as in the last workshop  

  • Measurements of atmospheric neutrinos  
  • Methods and results of atmospheric neutrino flux calculation 
  • Hadronic interaction of cosmic-rays 

LOC
Y. Itow, K. Sato and H. Menjo 

map.pdf
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Participants
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  • Tuesday 12 January
    • 1
      Opening
      20200112_Opening.pdf
    • 2
      SK+T2K joint analysis
      Speaker: Christophe Bronner
      JointT2KSK.pdf
    • 3
      Atmospheric neutrinos as a background in supernova relic neutrino searches
      Speaker: Yosuke Ashida (Kyoto University)
      ATMNU_Workshop_20210112_YAshida.pdf
    • 4
      CP violation in sub-GeV atmospheric neutrinos

      Sub-GeV atmospheric neutrino oscillations are a promising source of information on the leptonic CP phase δ. In that energy range the oscillations are very fast, far beyond the resolution of modern neutrino detectors. However, the necessary averaging over those fast oscillations does not wash out the CP violation effects. The propagation/oscillation of 3 neutrinos is reduced to 2 neutrino propagation/oscillation inside the Earth. The analytic results are very accurate and physically transparent for interpretation/understanding.

      Speaker: Ara Ioannisian (YerPhI and ITPM)
      AraAtmNu.pdf
    • 17:25
      Short break
    • 5
      Implementation of accelerator data into Honda flux calculation
      Speaker: Kazufumi Sato (ISEE, Nagoya Univ.)
      210112-AtmNuWorkshop-KazuSato-HondaFluxWithBeamData.pdf
    • 6
      Update of Bartol model
      Speaker: Laurence Cook (IPMU University of Tokyo and University of Oxford)
      BartolLaurenceCookNagoya.pdf
    • 7
      (Accelerator-) data-driven hadronic model and implications for the atmospheric lepton fluxes
      Speaker: Anatoli Fedynitch
      ATMNU_workshop_2021_anatoli.pdf
  • Wednesday 13 January
    • 8
      Electron neutrino - oxygen nuclei interactions in Super-Kamiokande from low energy atmospheric neutrinos
      Speaker: Baran Bodur (Duke University)
      20210113_BaranBodur_atmnuWorkshop.pdf
    • 9
      Understanding Neutrino-nucleus cross sections in the few GeV energy region
      Speaker: Prof. Mohammad Sajjad Athar (Aligarh Muslim University)
      MSAthar-AMU.pdf
    • 10
      Connection between atmospheric neutrinos and muons
      Speaker: Honda Morihiro (ICRR)
      honda-210113.pdf
    • 17:10
      Short break
    • 11
      Ground level cosmic ray measurements with the ADAMO detector: past experience and possible improvements
      Speaker: Lorenzo Bonechi (Istituto Nazionale di Fisica Nucleare (INFN))
      ATMNU2021_Bonechi_ADAMO_muons.pdf
    • 12
      Reconstruction electron and muon with momentum below 1 GeV using the BESS magnet
      Speaker: Thi Hien Doan (National Central University (TW))
      EleMuReco_BESS_magnet_Hien.pdf
    • 13
      NA61/SHINE Status and Plans after Long Shutdown 2
      Speaker: Yoshikazu Nagai (University of Colorado Boulder (US))
      NA61_AtmNuWorkshop_YNagai.pdf
    • 14
      EMPHATIC experiment for hadron production measurements at low momentum
      Speaker: Tetsuro Sekiguchi
      EMPHATIC.sekiguchi.upload.pdf
    • 15
      Discussion
      20200113_Discussion.pdf
    • 16
      Closing
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