Bulletin of the American Physical Society
APS April Meeting 2022
Volume 67, Number 6
Saturday–Tuesday, April 9–12, 2022; New York
Session E11: Neutrino DetectorsRecordings Available
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Sponsoring Units: DPF Chair: Guang Yang, University of California, Berkeley Room: Lyceum |
Saturday, April 9, 2022 3:45PM - 3:57PM |
E11.00001: Ionization Laser Calibration for the DUNE Time Projection Chamber Eric Deck, Nupur Oza, David O Rivera, Mattia Fani, Rebecca Hicks, Sowjanya Gollapinni
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Saturday, April 9, 2022 3:57PM - 4:09PM |
E11.00002: Measuring Ionization Electron Drift-Lifetime using cosmic ray muons in MicroBooNE Rebecca Hicks MicroBooNE is an 85-ton Liquid Argon Time Projection Chamber (LArTPC) located at Fermilab with the main goal of studying the anomalous electromagnetic excess observed by its predecessor experiment, MiniBooNE. LArTPCs offer exceptional calorimetric and positioning resolution capabilities for studying neutrino interactions. A fundamental requirement for the performance of such detectors is to maintain extremely low levels of electro-negative contaminants such as oxygen and water in liquid argon, on the order of parts per trillion. If a high level of liquid argon purity is not maintained, particle identification and path reconstructions can be negatively affected. The electron drift-lifetime is inversely proportional to the impurity concentration and hence provides a direct measurement of the liquid argon impurity content. In this talk, I will present an ongoing effort to measure the electron drift-lifetime using cosmic ray muons along with preliminary extracted daily lifetime values which indicate the excellent levels of liquid argon purity achieved by MicroBooNE over its data taking period. |
Saturday, April 9, 2022 4:09PM - 4:21PM |
E11.00003: Demonstration of a novel, ton-scale, single-phase LArTPC with pixelated readout Stefano Roberto Soleti The Module-0 Demonstrator is a ton-scale single-phase liquid argon time projection chamber (LArTPC) operated as a prototype for the DUNE liquid argon near detector (ND-LAr). Based on the ArgonCube design concept, Module 0 features true 3D pixelated charge readout, an advanced high-coverage photon detection system, and a low-profile resistive-shell field cage. Here we show the analysis of a cosmic ray dataset acquired with this detector, operated at the University of Bern in the spring of 2021. We demonstrate detector capabilities including the performance of the charge and light readout systems and signal matching between the two, detector purity and response uniformity. We will also compare the data to a microphysical detector simulation, performed with highly-parallelized GPU algorithms. This successful prototype validates key aspects of the design of the liquid argon near detector (ND-LAr) for the Deep Underground Neutrino Experiment (DUNE), a future experiment that will address open issues in neutrino physics, such as the measurement of the charge-parity violating phase in neutrino oscillations and the determination of the neutrino mass ordering. |
Saturday, April 9, 2022 4:21PM - 4:33PM |
E11.00004: Development of the Pulsed Neutron Source for DUNE Detector Calibration Walker A Johnson The Deep Underground Neutrino Experiment (DUNE) is a next-generation long base-line neutrino experiment, which aims to answer some of the fundamental questions about the universe. DUNE will measure the oscillation probabilities of neutrinos and antineutrinos at unprecedented precision to quantify the Charge-Parity (CP) violation in the leptonic sector, which will shed light on the matter-antimatter asymmetry in the universe. These measurements require a precision detector calibration that constrains the uncertainties from relevant detector response parameters. However, traditional calibration methods are insufficient due to the lack of abundant cosmic ray muons at the deep underground location, therefore new techniques must be developed to meet the calibration requirements. One of the main energy scale and resolution calibration strategies for DUNE is the Pulsed Neutron Source (PNS.) This device will inject quasi-monoenergetic neutrons into the detector modules, where their capture signatures can be used as a standard candle for energy scale and resolution calibration. In this talk, I will present the recent prototyping effort for the PNS system including tests performed at the South Dakota School of Mines neutron lab. The basic calibration concept and the characterization results will also be discussed. |
Saturday, April 9, 2022 4:33PM - 4:45PM |
E11.00005: The Accelerator Neutrino Neutron Interaction Experiment Franklin A Lemmons Lying along with the Booster Neutrino Beam (BNB) at Fermi National Accelerator Laboratory (FNAL), the Accelerator Neutrino Neutron Interaction Experiment (ANNIE) is a Gadolinium-doped water Cherenkov neutrino detector. It aims to determine the neutron multiplicity from neutrino-nucleus interactions in water and provide a staging ground for new technologies relevant to the field. These goals will improve our understanding of neutrino interactions with matter and help reduce the systematic uncertainties, thus benefiting the next-generation neutrino experiments. ANNIE is currently taking its physics phase data, and new analysis techniques are being developed. This talk will present the current status of ANNIE, and discuss the reconstruction and analysis techniques being developed. |
Saturday, April 9, 2022 4:45PM - 4:57PM |
E11.00006: First CRT Track Reconstruction at ICARUS Tyler N Boone The ICARUS detector is the largest liquid argon TPC presently operating in a neutrino beam in the world. Since the detector is operated on the surface there is a large component of the background generated by Cosmic Rays. The Cosmic Ray Tagger (CRT) allows us to tag incoming tracks made by cosmic events. In this talk I will discuss the first track reconstructions done by the CRT and the implications for background suppression, its impact on the overall background rates and tagging efficiency. |
Saturday, April 9, 2022 4:57PM - 5:09PM |
E11.00007: The Data Quality at the NOvA Experiment Devesh Bhattarai NOvA, a long-baseline neutrino oscillation experiment at Fermilab, measures the neutrino oscillation parameters, the neutrino mass hierarchy and the CP violation in the lepton sector. A nominal 700kW NuMI beam of predominantly muon neutrinos is shot from Fermilab towards the Far Detector in Ash River, Minnesota and the rate of appearance of electron-neutrino and the disappearance of muon-neutrino are measured. We perform an accurate monitoring of the data recorded by the detectors on a daily basis that helps us analyze any issues with the beam, hardware or data acquisition in the Far/Near Detector channels. In this talk, I’ll present the general techniques to monitor the data recorded in the detector systems in different phases of data collection that is vital for physics analyses. |
Saturday, April 9, 2022 5:09PM - 5:21PM |
E11.00008: Neutrino flux measurement at SNS/ORNL with a heavy-water detector Igor A Bernardi The development and implementation of the new 592 kg heavy-water Cherenkov neutrino detector will allow for exciting new advancements in neutrino research. For instance, the neutrino-oxygen charged-current cross section will be experimentally measured for the first time, in addition to measuring the theoretically well-known deuteron cross section at energies below 50MeV. Results will also provide better understanding of other neutrino cross section and improve sensitivity on exploring new physics. With the assembly phase beginning in early 2022, this detector will be deployed in the "Neutrino Alley" in the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory. Located about 20 m from the target, this detector will normalize the neutrino flux at the SNS, currently known up to 10% uncertainty in pion decay models. This detector will greatly lower our uncertainties on neutrino flux (lower than 5% in 2 years), which is important for all other COHERENT detectors (past, present, and future) deployed in the Neutrino Alley. |
Saturday, April 9, 2022 5:21PM - 5:33PM |
E11.00009: Theia: An advanced optical neutrino detector Morgan Askins The Theia detector design combines next-generation optical detector technology |
Saturday, April 9, 2022 5:33PM - 5:45PM |
E11.00010: The search for neutrinoless double beta decays with the NEXT experiments Helena Almazan Establishing the Majorana nature of neutrino masses would have a significant impact on many fields of physics, and the only viable experimental method to do it is through the search of neutrinoless double beta decays (0nubb). Worldwide, experiments are searching for this extremely rare process using different isotopes and detection techniques. The NEXT collaboration is using an innovative technique: a high-pressure xenon gas time projection chamber using electroluminescence amplification. The NEXT program finished at the end of 2021 the NEXT-White (NEW) experimental phase, a detector of 10 kg of 136Xe located at the Laboratorio Subterraneo de Canfranc (Spain). NEW results have demonstrated the reliability in the performance of this type of technology, and provided a crosscheck of the NEXT background model. The next phase of the NEXT program is now underway with the construction of NEXT-100, a 100 kg detector that aims to demonstrate the scalability of this technology, and will reach sensitivities competitive with the current generation of experiments. In this talk, the most recent results obtained with the NEW detector, and the current status of the NEXT-100 construction will be presented, together with prospects of a NEXT tonne-scale generation that is expected to reach a half-life sensitivity of 1.2x1027 years (90% CL) for the 0nubb process in less than 10 years of operation. |
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