An Overview of Analyzing the Neutrino Magnetic Moment using the NOvA Near Detector

Sarah Choate

The NuMI Off-Axis νe Appearance (NOvA) Experiment is a long baseline neutrino experiment consisting of two detectors, a Near Detector (ND) at Fermilab in Batavia, IL, and a Far Detector (FD) in Ash River, MN. The ND observes the unoscillated neutrino beam while the FD is able to observe
neutrinos which have oscillated. Because the ND does not observe oscillated neutrinos, it works in tandem with the FD to provide control measurements. However, the ND also has independent physics goals, such as observing processes which lead to physics beyond the Standard Model (BSM). One such process is the existence of a neutrino magnetic moment. At leading order, neutrinos do not interact electromagnetically, but, by considering higher order perturbative effects, it becomes possible for neutrinos to have an effective coupling with a photon and a non-zero neutrino magneitc moment emerges. Measurement of the neutrino magnetic moment can aid in the process of determining if neutrinos are Dirac or Majorana fermions, as well as provide insights into BSM physics. In this talk, we discuss the NOvA ND’s capabilities for making a direct measurement of the neutrino magnetic moment by providing a general overview of the analysis process as well as the predicted analysis sensitivity via simulated results.

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