scholarly journals Anomalous neutrino interaction, muong−2, and atomic parity nonconservation

2002 ◽  
Vol 65 (7) ◽  
Author(s):  
Ernest Ma ◽  
D. P. Roy
Keyword(s):  
Neutrino Interaction ◽  
Parity Nonconservation

Parity nonconservation in singly ionized helium

1986 ◽  
Vol 33 (5) ◽  
pp. 2949-2958 ◽  
Author(s):  
R. W. Dunford
Keyword(s):  
Parity Nonconservation

Parity nonconservation in6Li

2000 ◽  
Vol 26 (6) ◽  
pp. 811-824
Author(s):  
Dan Mihailescu ◽  
Sorina Popescu ◽  
Iosif Bulboaca ◽  
Ovidiu Dumitrescu
Keyword(s):  
Parity Nonconservation

scholarly journals Radioactivity control strategy for the JUNO detector

2021 ◽  
Vol 2021 (11) ◽  
Author(s):  
◽  
Angel Abusleme ◽  
Thomas Adam ◽  
Shakeel Ahmad ◽  
Rizwan Ahmed ◽  
...  
Keyword(s):  
Natural Radioactivity ◽  
Nuclear Power ◽  
Power Plants ◽  
Liquid Scintillator ◽  
Neutrino Flux ◽  
Neutrino Interaction ◽  
Background Count ◽  
Background Count Rate ◽  
Scientific Goal ◽  
The Impact

Abstract JUNO is a massive liquid scintillator detector with a primary scientific goal of determining the neutrino mass ordering by studying the oscillated anti-neutrino flux coming from two nuclear power plants at 53 km distance. The expected signal anti-neutrino interaction rate is only 60 counts per day (cpd), therefore a careful control of the background sources due to radioactivity is critical. In particular, natural radioactivity present in all materials and in the environment represents a serious issue that could impair the sensitivity of the experiment if appropriate countermeasures were not foreseen. In this paper we discuss the background reduction strategies undertaken by the JUNO collaboration to reduce at minimum the impact of natural radioactivity. We describe our efforts for an optimized experimental design, a careful material screening and accurate detector production handling, and a constant control of the expected results through a meticulous Monte Carlo simulation program. We show that all these actions should allow us to keep the background count rate safely below the target value of 10 Hz (i.e. ∼1 cpd accidental background) in the default fiducial volume, above an energy threshold of 0.7 MeV.

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