Synchronization of the 14 kTon NOνA neutrino detector with the Fermilab NuMI beam

20th International Conference on Computing in High Energy and Nuclear Physics

物理学;计算机科学

Niner, E.^1 ; Adamson, P.^2 ; Deuerling, G.^2 ; Kwarciany, R.^2 ; Meyer, H.^3 ; Norman, A.^2 ; Rechenmacher, R.^2 ; Shanahan, P.^2 ; Wilcer, N.^2

Indiana University, Department of Physics, 727 E. Third St., Bloomington

IN

47405, United States^1

Fermi National Accelerator Laboratory, PO Box 500, Batavia

IL

60510, United States^2

Wichita State University, 1845 Fairmount, Wichita

KS

67260, United States^3

关键词: Channel variations;    Neutrino beams;    Neutrino detectors;    Neutrino interactions;    Neutrino mixing;    Neutrino oscillations;    Precise synchronizations;    Timing systems;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/513/1/012028/pdf
DOI  :  10.1088/1742-6596/513/1/012028

学科分类：计算机科学（综合）

来源: IOP

【 摘 要 】

The NOνA experiment is a neutrino oscillation experiment designed to measure parameters related to the neutrino mixing matrix, mass hierarchy and CP violation. The experiment measures neutrino and anti-neutrino interactions from the NuMI beam line at Fermilab in a Near Detector and a Far Detector located 810 kilometers away. Making these measurements requires precise synchronization of 344,064 channels in the Far Detector to an absolute wall time with a channel to channel variation of less then 10 ns. The experiment must correlate the presence of the relatively narrow neutrino beam in the detector with data readout. This paper will discuss the performance of the NOνA timing system during the first few months of operation at the Far Detector.