10-12 April 2013
INFN - Laboratori Nazionali del Gran Sasso
Europe/Rome timezone

Measurements of Cosmic Ray Correlated Events at the Soudan Underground Laboratory

11 Apr 2013, 15:00
1h 20m
E. Fermi auditorium (INFN - Laboratori Nazionali del Gran Sasso)

E. Fermi auditorium

INFN - Laboratori Nazionali del Gran Sasso

SS 17 bis, km 18 + 910, 67100 Assergi (AQ), Italy
poster Screening facilities and low background detectors Poster session


Dr Anthony Villano (University of Minnesota)


Soudan Underground Laboratory houses a large muon veto shield lining the Soudan-II proton decay experimental cavern. Since the Soudan-II detector has been removed the shield has undergone a refurbishment which allows detection and tracking of through-going muons in the 30x17x12 m cavern. Further, this veto shield can be used in conjunction with other experiments housed within its walls. Particularly interesting is the possible measurement of cavern muons coincident with high-energy energy neutron detections in the Neutron Multiplicity Meter (NMM), a 4-ton gadolinium-loaded water-Cherenkov detector situated atop a 20-kiloton lead target. Here we cover the ability of the shield and encapsulated detectors to achieve coincident timing resolutions of about 1 microsecond via GPS-synchronized absolute time electronics. In addition, the usage of such technology for constraining muon-neutron correlations underground is discussed.

Primary authors

Dr Anthony Villano (University of Minnesota) Prof. Priscilla Cushman (University of Minnesota) Dr Raymond Bunker (Syracuse University)

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