Gallery
Photo
-
[2022/07/01]
Construction staffs at the center of the cavern dome -
[2022/06/23]
The tunnel excavation has reached the center of the cavern dome -
[2022/05/10]
The first branch of the approach tunnels2 -
[2022/04/19]
The first branch of the approach tunnels -
[2021/06/07]
Status of excavation of the access tunnel on June 7 where shotcrete application is in progress. -
[2021/05/13]
The access tunnel entrance (front view) -
[2021/05/06]
The access tunnel entrance where the tunnel supporting work is in progress. -
[2021/05/06]
The access tunnel entrance when the excavation has just started. -
The new photosensors developed for HK
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The “HK center” mark is found at the ceiling near the dead end
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The adit to investigate the geological survey of the Hyper-Kamiokande dome
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The boring which penetrates through the planned position of the cavern for the investigation of its neighborhood.
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Schematic image of Hyper-Kamiokande detector
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Illustration of Hyper-Kamiokande detector
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Rock sample taken from a soil survey at the proposed Hyper-Kamiokande site. The rock consists mainly of homogeneous hard gneiss and Inishi migmatite and is suitable for the excavation of a large cavern.
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Illustration of proton decay
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