Search Results - "Penttila, S. I"
-
1
Measurement of the Coherent Elastic Neutrino-Nucleus Scattering Cross Section on CsI by COHERENT
Published in Physical review letters (19-08-2022)Get full text
Journal Article -
2
First Probe of Sub-GeV Dark Matter beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS
Published in Physical review letters (03-02-2023)“…The COHERENT Collaboration searched for scalar dark matter particles produced at the Spallation Neutron Source with masses between 1 and 220 MeV/c^{2} using a…”
Get full text
Journal Article -
3
First Observation of P-odd γ Asymmetry in Polarized Neutron Capture on Hydrogen
Published in Physical review letters (14-12-2018)“…We report the first observation of the parity-violating gamma-ray asymmetry A_{γ}^{np} in neutron-proton capture using polarized cold neutrons incident on a…”
Get full text
Journal Article -
4
Measurement of Electron-Neutrino Charged-Current Cross Sections on I 127 with the COHERENT NaI ν E Detector
Published in Physical review letters (01-12-2023)Get full text
Journal Article -
5
Neutron-detected tomography of impurity-seeded superfluid helium
Published in Physical review letters (03-09-2004)“…We describe a neutron radiography technique that can be used to map the distribution of 3He impurities in liquid 4He, providing direct and quantitative access…”
Get full text
Journal Article -
6
On the Measurement of the Neutron Lifetime Using Ultracold Neutrons in a Vacuum Quadrupole Trap
Published in Journal of research of the National Institute of Standards and Technology (01-07-2005)“…We present a conceptual design for an experiment to measure the neutron lifetime (~886 s) with an accuracy of 10(-4). The lifetime will be measured by…”
Get full text
Journal Article -
7
Precision Neutron Polarimetry for Neutron Beta Decay
Published in Journal of research of the National Institute of Standards and Technology (01-05-2005)“…The abBA collaboration is developing a new type of field-expansion spectrometer for a measurement of the three correlation coefficients a, A, and B and the…”
Get full text
Journal Article -
8
Status of the NPDGamma experiment
Published in Hyperfine interactions (01-11-2017)“…The NPDGamma experiment measures the parity-violating (PV) gamma asymmetry from polarized cold neutrons captured on protons at the Spallation Neutron Source…”
Get full text
Journal Article -
9
Measurement of Neutron Decay Parameters-The abBA Experiment
Published in Journal of research of the National Institute of Standards and Technology (01-07-2005)“…We are developing an experiment to measure the correlations a, A, and B, and the Fierz interference term b in neutron decay, with a precision of approximately…”
Get full text
Journal Article -
10
New Pulsed Cold Neutron Beam Line for Fundamental Nuclear Physics at LANSCE
Published in Journal of research of the National Institute of Standards and Technology (01-05-2005)“…The NPDGamma collaboration has completed the construction of a pulsed cold neutron beam line on flight path12 at the Los Alamos Neutron Science Center…”
Get full text
Journal Article -
11
Detector Development for the abBA Experiment
Published in Journal of research of the National Institute of Standards and Technology (01-07-2005)“…We have developed a new type of field-expansion spectrometer to measure the neutron beta decay correlations (a, b, B, and A). A precision measurement of these…”
Get full text
Journal Article -
12
Measurement of parity violation in np capture: the NPDGamma experiment
Published in Journal of research of the National Institute of Standards and Technology (01-05-2005)“…The NPDGamma experiment will measure the parity-violating directional gamma ray asymmetry A γ in the reaction [Formula: see text]. Ultimately, this will…”
Get full text
Journal Article -
13
High-efficiency resonant rf spin rotator with broad phase space acceptance for pulsed polarized cold neutron beams
Published in Physical review special topics. PRST-AB. Accelerators and beams (01-08-2008)“…High precision fundamental neutron physics experiments have been proposed for the intense pulsed spallation neutron beams at JSNS, LANSCE, and SNS to test the…”
Get full text
Journal Article -
14
A Novel Silicon Photomultiplier Readout Architecture for Low-light Applications
Published 30-06-2022“…In this article we describe the photon detection readout electronics for the nEDM@SNS experiment. The chosen "photon counting" architecture, which utilizes…”
Get full text
Journal Article -
15
Detection system for neutron β decay correlations in the UCNB and Nab experiments
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-03-2017)“…We describe a detection system designed for precise measurements of angular correlations in neutron β decay. The system is based on thick, large area, highly…”
Get full text
Journal Article -
16
Measurement of the Coherent Elastic Neutrino-Nucleus Scattering Cross Section on CsI by COHERENT
Published 02-06-2022“…We measured the cross section of coherent elastic neutrino-nucleus scattering (\cevns{}) using a CsI[Na] scintillating crystal in a high flux of neutrinos…”
Get full text
Journal Article -
17
Monitoring the SNS basement neutron background with the MARS detector
Published 14-04-2022“…JINST 17 P03021 (2022) We present the analysis and results of the first dataset collected with the MARS neutron detector deployed at the Oak Ridge National…”
Get full text
Journal Article -
18
A D$_{2}$O detector for flux normalization of a pion decay-at-rest neutrino source
Published 25-08-2021“…JINST 16 (2021) 08, P08048 We report on the technical design and expected performance of a 592 kg heavy-water-Cherenkov detector to measure the absolute…”
Get full text
Journal Article -
19
High precision measurement of the polarization in solid state polarized targets using NMR
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (21-07-2004)“…The factors are reviewed that can affect the systematic uncertainties in CW-NMR measurements of the polarization in solid state polarized targets. The main…”
Get full text
Journal Article -
20
Measurement of Electron-Neutrino Charged-Current Cross Sections on 127I with the COHERENT NaI$ν$E Detector
Published in Physical review letters (01-12-2023)“…Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino chargedcurrent cross section on 127I with pion decay-at-rest neutrinos…”
Get full text
Journal Article