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The 14th KAGRA International Workshop

15–16 May 2026
Perugia - Italy
Europe/Rome timezone

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Session

Kagra present status

15 May 2026, 10:40

Conveners

Kagra present status

  • Masaki Ando

Description


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Presentation materials

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  1. 94. The Status of KAGRA
    Takafumi Ushiba (Institute for Cosmic Ray Research, The University of Tokyo)
    15/05/2026, 10:40
    Oral presentation

    KAGRA is a kilometer-scale cryogenic gravitational-wave detector located in Japan. From June 11 to November 18, 2026, KAGRA participated in the joint observing run (O4c) with all four sapphire mirrors cooled to below 100 K. KAGRA is currently working toward the sensitivity goals for the next short observing run (IR1) and the observing run 5. In this talk, lessons learned from O4c, the current...

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  2. 108. KAGRA Cryogenics - Lesson and Learn
    Takayuki Tomaru
    15/05/2026, 11:10
    Oral presentation

    KAGRA was the world's first to introduce a cryogenic mirror system, but various problems have become apparent as actual operation progresses. For example, the low-temperature pipes called Duct Shields, installed at the beam tube connections before and after the main cryostat and maintaining a temperature of around 100K, have proven to be extremely important not only for reducing the incidence...

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  3. 109. Q&A and discussion time
    15/05/2026, 11:30
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