Nov 18 – 19, 2026
Science North
Canada/Eastern timezone

Calibration of the SNO+ Scintillator Detector with an AmBe Neutron Source

Not scheduled
20m
Science North

Science North

100 Ramsey Lake Rd, Sudbury

Description

The SNO+ experiment is a kilotonne-scale liquid scintillator (LS) neutrino detector located 2 km underground at SNOLAB in Sudbury, Ontario. The detector inherits much of its infrastructure from the Sudbury Neutrino Observatory (SNO) experiment, most prominently the 12 m diameter acrylic vessel (AV) now housing approximately 780 tonnes of LS. The AV is surrounded by a 17 m diameter array of about 9500 inward-looking photomultiplier tubes that detect light produced by particle interactions in the LS. The amount of light produced from such interactions scales roughly linearly with the energy the particle deposits in the LS.

Validating the energy response of the SNO+ detector involved the deployment of an $^{241}\text{Am}$-$^{9}\text{Be}$ neutron calibration source, which produces a characteristic coincidence signal from a prompt $\gamma$-ray followed by delayed $\gamma$-rays from neutron captures in the LS. This poster will summarize the SNO+ AmBe calibration campaign and analysis of the calibration data.

Please write a short description of your Poster and what experiment you are representing.

I will be representing the SNO+ experiment. My poster will touch on aspects of the AmBe source deployments into the SNO+ acrylic vessel, as well as the features of the reconstructed energy distributions of prompt and delayed events after appropriate coincidence selections are applied to the calibration data.

Author

Anthony Allega (Queen's University)

Presentation materials

There are no materials yet.