Y. V. Efremenko
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View article: Limits on the Low-energy Electron Antineutrino Flux from the Brightest Gamma-Ray Burst of All Time
Limits on the Low-energy Electron Antineutrino Flux from the Brightest Gamma-Ray Burst of All Time Open
The electron antineutrino flux limits are presented for the brightest gamma-ray burst (GRB) of all time, GRB221009A, over a range of 1.8–200 MeV using the Kamioka Liquid Scintillator Antineutrino Detector. Using multiple time windows rangi…
View article: Erratum: Centrality-Dependent Modification of Jet-Production Rates in Deuteron-Gold Collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:msub><mml:mrow><mml:mi>s</mml:mi></mml:mrow><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn><mml:mtext> </mml:mtext><mml:mtext> </mml:mtext><mml:mi>GeV</mml:mi></mml:mrow></mml:math> [Phys. Rev. Lett. <b>116</b>, 122301 (2016)]
Erratum: Centrality-Dependent Modification of Jet-Production Rates in Deuteron-Gold Collisions at [Phys. Rev. Lett. <b>116</b>, 122301 (2016)] Open
This corrects the article DOI: 10.1103/PhysRevLett.116.122301.
View article: Assay-based background projection for the Majorana Demonstrator using Monte Carlo uncertainty propagation
Assay-based background projection for the Majorana Demonstrator using Monte Carlo uncertainty propagation Open
The background index (BI) is an important quantity to project and calculate the half-life sensitivity of neutrinoless double-β decay (0νββ) experiments. An analysis framework is presented to calculate the BI using the specific activities, …
View article: Assay-based background projection for the Majorana Demonstrator using Monte Carlo uncertainty propagation
Assay-based background projection for the Majorana Demonstrator using Monte Carlo uncertainty propagation Open
The MAJORANA DEMONSTRATOR is a neutrinoless double-beta decay (0νββ) experiment containing ~30 kg of p-type point contact germanium detectors enriched to 88% in 76Ge and ~14 kg of natural germanium detectors. The detectors are h…
View article: Search for charged excited states of dark matter with KamLAND-Zen
Search for charged excited states of dark matter with KamLAND-Zen Open
View article: An assay-based background projection for the MAJORANA DEMONSTRATOR using Monte Carlo Uncertainty Propagation
An assay-based background projection for the MAJORANA DEMONSTRATOR using Monte Carlo Uncertainty Propagation Open
The background index is an important quantity which is used in projecting and calculating the half-life sensitivity of neutrinoless double-beta decay ($0νββ$) experiments. A novel analysis framework is presented to calculate the background…
View article: Centrality dependence of Lévy-stable two-pion Bose-Einstein correlations in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions
Centrality dependence of Lévy-stable two-pion Bose-Einstein correlations in $\sqrt{s_{_{NN}}}=200$ GeV Au$+$Au collisions Open
The PHENIX experiment measured the centrality dependence of two-pion Bose-Einstein correlation functions in $\sqrt{s_{_{NN}}}=200$~GeV Au$+$Au collisions at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory. The data ar…
View article: Search for charged excited states of dark matter with KamLAND-Zen
Search for charged excited states of dark matter with KamLAND-Zen Open
View article: First detection of coherent elastic neutrino-nucleus scattering on germanium
First detection of coherent elastic neutrino-nucleus scattering on germanium Open
We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on germanium, measured at the Spallation Neutron Source at Oak Ridge National Laboratory. The Ge-Mini detector of the COHERENT collaboration employs larg…
View article: Charge trapping correction and energy performance of the Majorana Demonstrator
Charge trapping correction and energy performance of the Majorana Demonstrator Open
P-type point contact (PPC) high-purity germanium detectors are an important technology in astroparticle and nuclear physics due to their superb energy resolution, low noise, and pulse shape discrimination capabilities. Analysis of data fro…
View article: Erratum: Lévy-stable two-pion Bose-Einstein correlations in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>200</mml:mn></mml:mrow></mml:math> GeV <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi mathvariant="normal">Au</mml:mi><mml:mo>+</mml:mo><mml:mi mathvariant="normal">Au</mml:mi></mml:math> collisions [Phys. Rev. C <b>97</b>, 064911 (2018)]
Erratum: Lévy-stable two-pion Bose-Einstein correlations in GeV collisions [Phys. Rev. C <b>97</b>, 064911 (2018)] Open
We previously published in 2018 a detailed measurement recorded in 2010 for Au+Au collisions at $\\sqrt{^SNN}$ = 200 GeV of charged two-pion correlation functions in 0%-30% centrality. We found the data to be well described by Bose-Einstei…
View article: Majorana Demonstrator Data Release for AI/ML Applications
Majorana Demonstrator Data Release for AI/ML Applications Open
The enclosed data release consists of a subset of the calibration data from the Majorana Demonstrator experiment. Each Majorana event is accompanied by raw Germanium detector waveforms, pulse shape discrimination cuts, and calibrated final…
View article: COHERENT at the Spallation Neutron Source
COHERENT at the Spallation Neutron Source Open
The Spallation Neutron Source (SNS) at Oak Ridge National Laboratory provides an intense, high-quality source of neutrinos from pion decay at rest. This source was recently used for the first measurements of coherent elastic neutrino–nucle…
View article: Measurement of cosmic-ray muon spallation products in a xenon-loaded liquid scintillator with KamLAND
Measurement of cosmic-ray muon spallation products in a xenon-loaded liquid scintillator with KamLAND Open
Cosmic-ray muons produce various radioisotopes when passing through material. These spallation products can be backgrounds for rare event searches such as in solar neutrino, double-β decay, and dark matter search experiments. The KamLAND-Z…
View article: First measurement of the strange axial coupling constant using neutral-current quasielastic interactions of atmospheric neutrinos at KamLAND
First measurement of the strange axial coupling constant using neutral-current quasielastic interactions of atmospheric neutrinos at KamLAND Open
We report a measurement of the strange axial coupling constant $g_A^s$ using atmospheric neutrino data at KamLAND. This constant is a component of the axial form factor of the neutral-current quasielastic (NCQE) interaction. The value of $…
View article: The Majorana project
The Majorana project Open
Building a 0νβ β experiment with the ability to probe neutrino mass in the inverted hierarchy region requires the combination of a large detector mass sensitive to 0νβ β, on the order of 1-tonne, and unprecedented background levels, on the…
View article: Low-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>p</mml:mi><mml:mi>T</mml:mi></mml:msub></mml:math> direct-photon production in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>Au</mml:mi><mml:mo>+</mml:mo><mml:mi>Au</mml:mi></mml:mrow></mml:math> collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msqrt><mml:msub><mml:mi>s</mml:mi><mml:mrow><mml:mi>N</mml:mi><mml:mi>N</mml:mi></mml:mrow></mml:msub></mml:msqrt><mml:mo>=</mml:mo><mml:mn>39</mml:mn></mml:mrow></mml:math> and 62.4 GeV
Low- direct-photon production in collisions at and 62.4 GeV Open
Here, the measurement of direct photons from Au + Au collisions at $\\sqrt{s_{NN}}$ = 39 and 62.4 GeV in the transverse-momentum range 0.4 < $p_T$ < 3 Gev/c is presented by the PHENIX collaboration at the BNLRelativistic Heavy Ion Collider…
View article: Search for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region with KamLAND-Zen
Search for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region with KamLAND-Zen Open
The KamLAND-Zen experiment has provided stringent constraints on the neutrinoless double-beta (0νββ) decay half-life in ^{136}Xe using a xenon-loaded liquid scintillator. We report an improved search using an upgraded detector with almost …
View article: Erratum: Production and validation of scintillating structural components from low-background Poly(ethylene naphthalate)
Erratum: Production and validation of scintillating structural components from low-background Poly(ethylene naphthalate) Open
View article: Measurement of scintillation response of CsI[Na] to low-energy nuclear recoils by COHERENT
Measurement of scintillation response of CsI[Na] to low-energy nuclear recoils by COHERENT Open
We present results of several measurements of CsI[Na] scintillation response to 3–60 keV energy nuclear recoils performed by the COHERENT collaboration using tagged neutron elastic scattering experiments and an endpoint technique. Earlier …
View article: Modeling Backgrounds for the MAJORANA DEMONSTRATOR
Modeling Backgrounds for the MAJORANA DEMONSTRATOR Open
The MAJORANA DEMONSTRATOR is a neutrinoless double-beta decay ($0νββ$) experiment containing $\sim$30 kg of p-type point contact germanium detectors enriched to 88% in 76Ge and $\sim$14 kg of natural germanium detectors. The detectors are …
View article: A novel silicon photomultiplier readout architecture for low-light applications
A novel silicon photomultiplier readout architecture for low-light applications Open
In this article we describe the photon detection readout electronics for the nEDM@SNS experiment. The chosen “photon counting” architecture, which utilizes high-efficiency silicon photomultipliers (SiPMs) and is appropriate for low-light a…
View article: Measurement of the Coherent Elastic Neutrino-Nucleus Scattering Cross Section on CsI by COHERENT
Measurement of the Coherent Elastic Neutrino-Nucleus Scattering Cross Section on CsI by COHERENT Open
We measured the cross section of coherent elastic neutrino-nucleus scattering (CEvNS) using a CsI[Na] scintillating crystal in a high flux of neutrinos produced at the Spallation Neutron Source at Oak Ridge National Laboratory. New data co…
View article: Search for Spontaneous Radiation from Wave Function Collapse in the Majorana Demonstrator
Search for Spontaneous Radiation from Wave Function Collapse in the Majorana Demonstrator Open
The Majorana Demonstrator neutrinoless double-beta decay experiment comprises a 44 kg (30 kg enriched in ^{76}Ge) array of p-type, point-contact germanium detectors. With its unprecedented energy resolution and ultralow backgrounds, Majora…
View article: Abundances of Uranium and Thorium Elements in Earth Estimated by Geoneutrino Spectroscopy
Abundances of Uranium and Thorium Elements in Earth Estimated by Geoneutrino Spectroscopy Open
The decay of the primordial isotopes 238 U, 235 U, 232 Th, and 40 K has contributed to the terrestrial heat budget throughout the Earth's history. Hence, the individual abundance of those isotopes are key parameters in reconstructing conte…
View article: Simulating the neutrino flux from the Spallation Neutron Source for the COHERENT experiment
Simulating the neutrino flux from the Spallation Neutron Source for the COHERENT experiment Open
The Spallation Neutron Source (SNS) at Oak Ridge National Laboratory is a pulsed source of neutrons and, as a by-product of this operation, an intense source of pulsed neutrinos via stopped-pion decay. The COHERENT collaboration uses this …
View article: Charge Trapping and Energy Performance of the MAJORANA DEMONSTRATOR
Charge Trapping and Energy Performance of the MAJORANA DEMONSTRATOR Open
P-type point contact (PPC) high-purity germanium detectors are an important technology in astroparticle and nuclear physics due to their superb energy resolution, low noise, and pulse shape discrimination capabilities. Analysis of data fro…
View article: Interpretable Boosted Decision Tree Analysis for the Majorana Demonstrator
Interpretable Boosted Decision Tree Analysis for the Majorana Demonstrator Open
The Majorana Demonstrator is a leading experiment searching for neutrinoless double-beta decay with high purity germanium detectors (HPGe). Machine learning provides a new way to maximize the amount of information provided by these detecto…
View article: Final Result of the MAJORANA DEMONSTRATOR's Search for Neutrinoless Double-$β$ Decay in $^{76}$Ge
Final Result of the MAJORANA DEMONSTRATOR's Search for Neutrinoless Double-$β$ Decay in $^{76}$Ge Open
The MAJORANA DEMONSTRATOR searched for neutrinoless double-$β$ decay ($0νββ$) of $^{76}$Ge using modular arrays of high-purity Ge detectors operated in vacuum cryostats in a low-background shield. The arrays operated with up to 40.4 kg of …
View article: Exotic dark matter search with the Majorana Demonstrator
Exotic dark matter search with the Majorana Demonstrator Open
With excellent energy resolution and ultra-low level radiogenic backgrounds, the high-purity germanium detectors in the Majorana Demonstrator enable searches for several classes of exotic dark matter (DM) models. In this work, we report ne…