Off-Campus Work for Collaborative Research: The SuperCDMS SNOLAB Experiment

Project: Research project

Project Details

Description

Overview: The long-term goal of the SuperCDMS SNOLAB collaboration is to improve the
understanding of dark matter by answering the following questions: what are its constituents, what are their particle and astrophysical properties, and how do they relate to the Standard Model? In pursuit of this goal, this proposal has four objectives: (1) Perform necessary calibration and performance measurements of SuperCDMS SNOLAB detectors to maximize the science return from the experiment. (2) Commission and operate the SuperCDMS SNOLAB experiment. (3) Measure a dark matter signal or place world-leading limits for the dark matter{nucleon cross section at masses below 10 GeV/c2. (4) Train the next generation of scientists through research and outreach activities, and teach secondary students and the public about dark matter science. These objectives
will be met as follows: Experiment Characterization and Optimization: In order to maximize the science output of SuperCDMS SNOLAB, detailed understanding of the response of detectors to potential signals and backgrounds is required. Measurements at two underground facilities (NEXUS at Fermilab and CUTE at SNOLAB) will characterize and calibrate pre-production SuperCDMS SNOLAB detectors and the rst production SuperCDMS SNOLAB towers, with supporting measurements from small devices at university test facilities. Resulting data will allow energy scale calibration, measurements
of background levels, understanding of the detailed phonon and electron physics of the detectors, development of improved background-rejection techniques, and optimization of SuperCDMS SNOLAB operational parameters. These data may provide a dark matter search with world-leading sensitivity. Commissioning and Operation of SuperCDMS SNOLAB: This proposal will fund the NSF-portion of commissioning the SuperCDMS SNOLAB experiment and the rst year of science operations and analysis, resulting in a dark matter search with world-leading sensitivity.
Training and Outreach: The activities in this proposal provide fertile ground for training of
postdoctoral researchers and graduate students from the SuperCDMS collaboration, and opportunities to share the excitement of science with the general public.
Intellectual merit: This grant supports an experiment that will address one of the most
fundamental problems of modern science, the nature of dark matter, in a way complementary to the Large Hadron Collider and indirect detection experiments. The SuperCDMS SNOLAB experiment will achieve world-leading sensitivity for dark matter masses less than 10 GeV/c2.
Broader impacts: The SuperCDMS SNOLAB experiment will have a broad impact which
extends beyond the search for dark matter. The experiment's phonon-mediated detectors have applications in cosmology, astronomy and industry. This effort will contribute opportunities for training of undergraduate and graduate students and postdoctoral researchers. SuperCDMS will engage in education and outreach at local institutions and will coordinate our outreach at Soudan, SNOLAB, and SURF to increase the broader impact with focus on secondary education. The grant will support participating in SNOLAB-hosted Teacher Workshops, modifying and providing middle school dark matter education modules to U.S. educators, and maintaining SuperCDMS-related outreach materials for SNOLAB, Soudan, and SURF. Existing alliances will enable outreach to Sudbury First Nations communities. This effort will also support
post-graduate education by providing speakers for Colegio de Fisica Fundamental e Interdiciplinaria de
StatusActive
Effective start/end date8/15/187/31/21

Funding

  • National Science Foundation (PHY-1809730)

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