Spatial positioning of underwater components for Baikal- GVD

Baikal-GVD is a cubic kilometer-scale neutrino telescope currently under construction in Lake Baikal. The detector’s components are mobile and may drift from their initial coordinates or change their spatial orientation. This introduces a reconstruction error, particularly a timing error for PMT hit...

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Veröffentlicht in:EPJ Web of conferences 2019, Vol.207, p.7004
Hauptverfasser: Avrorin, A.D., Avrorin, A.V., Aynutdinov, V.M., Bannash, R., Belolaptikov, I.A., Brudanin, V.B., Budnev, N.M., Gorshkov, N.S., Doroshenko, A.A., Domogatsky, G.V., Dvornický, R., Dyachok, A.N., Dzhilkibaev, Zh.-A.M., Fajt, L., Fialkovsky, S.V., Gafarov, A.R., Golubkov, K.V., Gres, T.I., Kebkal, K.G., Kebkal, O.G., Khramov, E.V., Kolbin, M.M., Konischev, K.V., Korobchenko, A.V., Koshechkin, A.P., Kozhin, V.A., Kruglov, M.V., Kryukov, M.K., Kulepov, V.F., Kuleshov, D.A., Milenin, M.B., Mirgazov, R.A., Nazari, V., Panfilov, A.I., Petukhov, D.P., Pliskovsky, E.N., Rozanov, M.I., Rjabov, E.V., Rushay, V.D., Safronov, G.B., Šimkovic, F., Skurichin, A.V., Shaybonov, B.A., Solovjev, A.G., Sorokovikov, M.N., Shelepov, M.D., Suvorova, O.V., Shtekl, I., Tabolenko, V.A., Tarashansky, B.A., Yakovlev, S.A., Zagorodnikov, A.V.
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Sprache:eng
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Zusammenfassung:Baikal-GVD is a cubic kilometer-scale neutrino telescope currently under construction in Lake Baikal. The detector’s components are mobile and may drift from their initial coordinates or change their spatial orientation. This introduces a reconstruction error, particularly a timing error for PMT hits. This problem is mitigated by a combination of a hydroacoustic positioning system and per-component acceleration and orientation sensors. Under regular conditions, the average positioning accuracy for a GVD component is estimated to be less than 13 cm.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/201920707004