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GCOS workshop 2022 Wuppertal

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Ioana Maris (Université Libre de Bruxelles), Julian Rautenberg (University of Wuppertal), Jörg Hörandel (Radboud University Nijmegen dep. Astrophysics), Michael Unger, email email
Description

Aim of the workshop is to further advance our plannings towards the Global Cosmic Ray Observatory - GCOS. One of the main objectives will be to develop astrophysical science case scenarios and to agree on a few straw man designs, which can be used for simulations in order to concretize the expected performance of GCOS for key performance indicators.

The results of the workshop will be written up in a document
GCOS workshop 2022
concepts and ideas for the science case and a straw man design
as a reference for the further development of GCOS.

The workshop will be hosted at the University of Wuppertal in Germany. Remote connection via zoom will be provided. For an efficient discussion we encourage key people to be present on site.

Organizers:
Rafael Alves Batista, Antonella Castellina, Ralph Engel, Toshihiro Fujii, Jörg Hörandel, Karl-Heinz Kampert, Lu Lu, Ioana Maris, Shoichi Ogio, Julian Rautenberg, Takashi Sako, Fred Sarazin, Michael Unger

WSW-Fahrplan-Bus-Linie-603.pdf
Registration
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Participants
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  • Wednesday 13 July
    • 1
      Opening and scope of workshop

      —> develop straw man design(s) for detectors and arrays to be used for (more) detailed performance studies (resolution for energy, mass, direction)

      Speakers: Julian Rautenberg, Jörg Hörandel (Radboud University Nijmegen dep. Astrophysics)
    • 2
      Discussion: Overview and Recommendations of the Snowmass UHECR white paper
      Speaker: Fred Sarazin
      UHECR_WP_GCOS.pdf
    • 10:00
      coffee
    • 3
      Discussion: Particle physics in the context of GCOS
      Speaker: Dennis Soldin
      GCOS_dsoldin.pdf
    • 11:00
      coffee
    • 4
      Discussion: Astrophysics in the context of GCOS
      Speaker: Michael Unger
      science.pdf
    • 12:00
      lunch
    • 5
      Define concrete goal of workshop, define key questions/key performance indicators what detector do we need to achieve the science goal(s)?
    • 14:30
      coffee
    • Expert Round: Science Case
      Conveners: Dennis Soldin, Michael Unger, Rafael Alves Batista (Radboud University)
      audio1885940047.m4a
      video1885940047.mp4
      • 6
        Introduction
        Speaker: Rafael Alves Batista (Radboud University)
      • 7
        SBG origin of UHECRs with GCOS
        Speaker: Ana Müller
        GCOS_MuellerAna.pdf
      • 8
        (E)GMF with GCOS
        Speaker: Arjen van Vliet (DESY Zeuthen)
        VanVliet_GCOSandMagneticFields.pdf
      • 9
        How isotropic can the UHECR sky *really* be?
        Speaker: Armando di Matteo (INFN Torino)
        slides.pdf
      • 10
        Measuring the hair of the UHECR energy spectrum with GCOS
        Speaker: Glennys Farrar
        GCOS_071322.pdf
      • 11
        GCOS, SHDM and UV physics
        Speaker: Luis Anchordoqui
        GCOS.pdf
      • 12
        Soruce constraints from \nu and p with GCOS
        Speaker: Marco Muzio (New York University)
        GCOSWorkshop_Jul22.pdf
      • 13
        Chasing UHE Photons with GCOS
        Speaker: Markus Risse
        gcos_20220713.pdf
      • 14
        Fits of flux, composition and arrival directions with GCOS statistics
        Speaker: Teresa Bister
        GCOS_July_2022.pdf
    • Expert Round: FD Design

      The audio and (largly corrupted) video is included in the previous session material.

      Conveners: Michael Unger, Toshihiro Fujii (Kyoto University)
      audio2885940047.m4a
      video3885940047.mp4
      • 15
        Introduction
        Speakers: Michael Unger, Toshihiro Fujii (Kyoto University)
      • 16
        Cyclops vs. Superman: Design Considerations for Auger South FD
        Speaker: Bruce Dawson
        GCOS_Dawson_AugerFDHistory.pdf
      • 17
        Design Considerations for TA FD
        Speaker: Shoichi Ogio (Institute for Cosmic Ray Research, The University of Tokyo)
        flashTAFD.pdf
      • 18
        Does GCOS need an FD?
        Speaker: All
      • 19
        Cyclops Design for GCOS FD
        Speaker: Michael Unger
        fd.pdf
      • 20
        Low-Cost FD Array for GCOS
        Speaker: Toshihiro Fujii (Kyoto University)
        220713_FAST4GCOS.pdf
      • 21
        Ideas for FD Optimization
        Speaker: Francesco Salamida (University of L'Aquila and INFN LNGS)
        salamida.pdf
      • 22
        Discussion
        Speaker: All
    • Expert Round: SD Design

      The audio and (largely corrupted) video is included in the discussion session material

      Conveners: Fred Sarazin, Ioana Maris (Université Libre de Bruxelles)
      audio3885940047.m4a
      video3885940047.mp4
      • 23
        Location (exposure)
        Speaker: Armando di Matteo (INFN Torino)
        slides.pdf
      • 24
        Location (magnetic field)
        Speaker: Pierre Billoir (LPNHE)
        magnetic_distortion.pdf
      • 25
        Discussions
      • 26
        Array confirgurations
        Speaker: Alan Watson
        Watson_GCOS_ropt.pdf
      • 27
        Squre vs triangular array
        Speaker: Roth Markus (KIT)
      • 28
        Discussions
    • Expert Round: RD Design
      Conveners: Julian Rautenberg, Jörg Hörandel (Radboud University Nijmegen dep. Astrophysics)
      • 29
        remarks on radio detection
        Speaker: Jörg Hörandel (Radboud University Nijmegen dep. Astrophysics)
      • 30
        remarks on radio detection and gamma rays
        Speaker: Julian Rautenberg (University of Wuppertal)
        RD_flash.pdf
      • 31
        considerations for array configurations, including neutrinos
        Speaker: Washington Carvalho Jr
      • 32
        a quick array simulator
        Speaker: Tomas Fodran (Radboud University)
    • 19:00
      dinner
  • Thursday 14 July
    • 33
      Brainstorming and blackboard discussions to prepare afternoon expert rounds and to set up structure of the workshop document
      • science case(s)

      • straw man designs
      • begin writing document
      Speaker: all
    • 12:00
      lunch
    • 34
      Discussions editing document
    • 14:30
      coffee
    • Expert Round: Science Case
      Conveners: Dennis Soldin, Michael Unger, Rafael Alves Batista (Radboud University)
      audio1885940047.m4a
      video1885940047.mp4
      • 35
        Science Case Panel Discussion

        Audio material contains following session as well.
        Video was largly corrupted, most probably due to network outages.

        Speaker: All
        audio1891698544.m4a
        video1891698544.mp4
    • Expert Round: FD Design

      The audio and (largly corrupted) video is included in the previous session material.

      Conveners: Michael Unger, Toshihiro Fujii (Kyoto University)
      audio2885940047.m4a
      video3885940047.mp4
    • Expert Round: SD Design

      The audio and (largely corrupted) video is included in the discussion session material

      Conveners: Fred Sarazin, Ioana Maris (Université Libre de Bruxelles)
      audio3885940047.m4a
      video3885940047.mp4
      • 42
        Mass resolution with SSD + WCD
        Speaker: Eric Mayotte (University of Wuppertal)
        For_GCOS_SD_Consideration.pdf
      • 43
        TA surface detector
        Speaker: Nonaka Toshiyuki
      • 44
        Impact of relative positions of sub-detectors
        Speaker: Schmidt David
      • 45
        Ideal SD detector
        Speaker: Pierre Billoir
      • 46
        Segmented tank and spacing
        Speaker: Ioana Maris (Université Libre de Bruxelles)
        IoanaMaris_Segmented_v2.pdf
      • 47
        Synergies with SWGO
        Speaker: Jose Bellido
      • 48
        Discussions
    • Expert Round: RD Design
      Conveners: Julian Rautenberg, Jörg Hörandel (Radboud University Nijmegen dep. Astrophysics)
    • 19:00
      dinner
  • Friday 15 July
    • 49
      Brainstorming and blackboard discussions to converge on document: GCOS workshop 2022
 - concepts and ideas for the science case and a straw man design
    • 12:00
      lunch
    • 50
      Next steps, towards building prototypes, working groups, funding opportunities for prototypes, synergies with other initiatives
    • 17:00
      End of workshop
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