Search Results - "Broussard, Leah"
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Study of neutron beta decay with the Nab experiment
Published in EPJ Web of conferences (2024)“…The current three sigma tension in the unitarity test of the Cabbibo-Kobayashi-Maskawa (CKM) matrix is a notable problem with the Standard Model of elementary…”
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Journal Article -
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Search for the Neutron Decay n→X+γ, Where X is a Dark Matter Particle
Published in Physical review letters (13-07-2018)“…Fornal and Grinstein recently proposed that the discrepancy between two different methods of neutron lifetime measurements, the beam and bottle methods, can be…”
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Journal Article -
3
Delta-Rice: A HDF5 Compression Plugin optimized for Digitized Detector Data
Published in Journal of open source software (21-06-2024)“…Delta-Rice is an HDF5 (The HDF Group et al., 2020) filter plugin that was developed to compress digitized detector signals recorded by the Nab experiment (Fry…”
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Evaluation of commercial nickel–phosphorus coating for ultracold neutron guides using a pinhole bottling method
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-11-2017)“…We report on the evaluation of commercial electroless nickel phosphorus (NiP) coatings for ultracold neutron (UCN) transport and storage. The material…”
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Journal Article -
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Measurement of the neutron lifetime using a magneto-gravitational trap and in situ detection
Published in Science (American Association for the Advancement of Science) (11-05-2018)“…Here, the precise value of the mean neutron lifetime, τn, plays an important role in nuclear and particle physics and cosmology. It is used to predict the…”
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Position-sensitive detection of ultracold neutrons with an imaging camera and its implications to spectroscopy
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (11-09-2016)“…Position-sensitive detection of ultracold neutrons (UCNs) is demonstrated using an imaging charge-coupled device (CCD) camera. A spatial resolution less than…”
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New search for mirror neutron regeneration
Published in EPJ Web of conferences (01-01-2019)“…The possibility of relatively fast neutron oscillations into a mirror neutron state is not excluded experimentally when a mirror magnetic field is considered…”
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Journal Article Conference Proceeding -
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High Precision Measurement of the Neon-19 Lifetime
Published 01-01-2012“…The lifetime of 19Ne is an important parameter in precision tests of the Standard Model. Improvement in the uncertainty of experimental observables of this and…”
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Dissertation -
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Improved Limits on $n \rightarrow n'$ Transformation from the Spallation Neutron Source
Published 24-02-2024“…Conversions between neutrons $n$ and Dark Matter candidate sterile neutrons $n'$ have been proposed as a mechanism for Baryon Number $\mathcal{B}$ violation…”
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On Baryon and Lepton Number Violation
Published 29-07-2022“…In this report we discuss the main theories to understand the origin of baryon and lepton number violation in physics beyond the Standard Model. We present the…”
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Journal Article -
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Precision pulse shape simulation for proton detection at the Nab experiment
Published 07-12-2022“…The Nab experiment at Oak Ridge National Laboratory, USA, aims to measure the beta-antineutrino angular correlation following neutron $\beta$ decay to an…”
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Journal Article -
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Theories and Experiments for Testable Baryogenesis Mechanisms: A Snowmass White Paper
Published 14-03-2022“…The baryon asymmetry of the Universe is one of the central motivations to expect physics beyond the Standard Model. In this Snowmass white paper, we review the…”
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Journal Article -
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Delta \mathcal{B}| =2$: A State of the Field, and Looking Forward--A brief status report of theoretical and experimental physics opportunities
Published 05-10-2020“…The origin of the matter-antimatter asymmetry apparently obligates the laws of physics to include some mechanism of baryon number ($\mathcal{B}$) violation…”
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Journal Article -
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High Precision Measurement of the Neon-19 Lifetime
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Dissertation -
15
Monte Carlo Simulations of Trapped Ultracold Neutrons in the UCN{\tau} Experiment
Published 16-10-2018“…Phys. Rev. C 100, 015501 (2019) In the UCN{\tau} experiment, ultracold neutrons (UCN) are confined by magnetic fields and the Earth's gravitational field…”
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Journal Article