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25 April 2024

» arxiv » 1606.2896

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DANSS: Detector of the reactor AntiNeutrino based on Solid Scintillator
I.Alekseev ; V.Belov ; V.Brudanin ; M.Danilov ; V.Egorov ; D.Filosofov ; M.Fomina ; Z.Hons ; S.Kazartsev ; A.Kobyakin ; A.Kuznetsov ; I.Machikhiliyan ; D.Medvedev ; V.Nesterov ; A.Olshevsky ; D.Ponomarev ; I.Rozova ; N.Rumyantseva ; V.Rusinov ; A.Salamatin ; Ye.Shevchik ; M.Shirchenko ; Yu.Shitov ; N.Skrobova ; A.Starostin ; D.Svirida ; E.Tarkovsky ; I.Tikhomirov ; J.Vlasek ; I.Zhitnikov ; D.Zinatulina ;
Date:	9 Jun 2016
Abstract:	The DANSS project is aimed at creating a relatively compact neutrino spectrometer which does not contain any flammable or other dangerous liquids and may therefore be located very close to the core of an industrial power reactor. As a result, it is expected that high neutrino flux would provide about 15,000 IBD interactions per day in the detector with a sensitive volume of 1 m$^3$. High segmentation of the plastic scintillator will allow to suppress a background down to a 1% level. Numerous tests performed with a simplified pilot prototype DANSSino under a 3 GW$_{th}$ reactor of the Kalinin NPP have demonstrated operability of the chosen design. The DANSS detector surrounded with a composite shield is movable by means of a special lifting gear, varying the distance to the reactor core in a range from 10 m to 12 m. Due to this feature, it could be used not only for the reactor monitoring, but also for fundamental research including short-range neutrino oscillations to the sterile state. Supposing one-year measurement, the sensitivity to the oscillation parameters is expected to reach a level of $sin^2(2 heta)$ ~ 0.005 with $Delta m^2 subset (0.02-5.0)$ eV$^2$.
Source:	arXiv, 1606.2896
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