Search Results - "Helmer, R. L."
-
1
The Sudbury Neutrino Observatory
Published in IEEE transactions on nuclear science (01-12-2000)“…The Sudbury Neutrino Observatory is a 1000 tonne heavy water Cerenkov detector built to observe neutrinos from the sun and from supernovae. It is located deep…”
Get full text
Journal Article -
2
Observation of electron neutrino appearance in a muon neutrino beam
Published in Physical review letters (14-02-2014)“…The T2K experiment has observed electron neutrino appearance in a muon neutrino beam produced 295 km from the Super-Kamiokande detector with a peak energy of…”
Get full text
Journal Article -
3
Indication of electron neutrino appearance from an accelerator-produced off-axis muon neutrino beam
Published in Physical review letters (22-07-2011)“…The T2K experiment observes indications of ν(μ) → ν(e) appearance in data accumulated with 1.43×10(20) protons on target. Six events pass all selection…”
Get full text
Journal Article -
4
Precise measurement of the neutrino mixing parameter θ23 from muon neutrino disappearance in an off-axis beam
Published in Physical review letters (09-05-2014)“…New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter θ23. Using an off-axis neutrino…”
Get full text
Journal Article -
5
The T2K fine-grained detectors
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (22-12-2012)“…T2K is a long-baseline neutrino oscillation experiment searching for νe appearance in a νμ beam. The beam is produced at the J-PARC accelerator complex in…”
Get full text
Journal Article -
6
Measurement of neutrino oscillation parameters from muon neutrino disappearance with an off-axis beam
Published in Physical review letters (22-11-2013)“…The T2K Collaboration reports a precision measurement of muon neutrino disappearance with an off-axis neutrino beam with a peak energy of 0.6 GeV. Near…”
Get full text
Journal Article -
7
Measurement of Coherent π^{+} Production in Low Energy Neutrino-Carbon Scattering
Published in Physical review letters (04-11-2016)“…We report the first measurement of the flux-averaged cross section for charged current coherent π^{+} production on carbon for neutrino energies less than…”
Get full text
Journal Article -
8
Cosmogenic Neutron Production at the Sudbury Neutrino Observatory
Published 25-09-2019“…Phys. Rev. D 100, 112005 (2019) Neutrons produced in nuclear interactions initiated by cosmic-ray muons present an irreducible background to many rare-event…”
Get full text
Journal Article -
9
Measurement of neutron production in atmospheric neutrino interactions at the Sudbury Neutrino Observatory
Published 19-06-2019“…Phys. Rev. D 99, 112007 (2019) Neutron production in GeV-scale neutrino interactions is a poorly studied process. We have measured the neutron multiplicities…”
Get full text
Journal Article -
10
Tests of Lorentz invariance at the Sudbury Neutrino Observatory
Published 03-01-2019“…Phys. Rev. D 98, 112013 (2018) Experimental tests of Lorentz symmetry in systems of all types are critical for ensuring that the basic assumptions of physics…”
Get full text
Journal Article -
11
Search for invisible modes of nucleon decay in water with the SNO+ detector
Published 13-12-2018“…Phys. Rev. D 99, 032008 (2019) This paper reports results from a search for nucleon decay through 'invisible' modes, where no visible energy is directly…”
Get full text
Journal Article -
12
Constraints on Neutrino Lifetime from the Sudbury Neutrino Observatory
Published 03-12-2018“…Phys. Rev. D 99, 032013 (2019) The long baseline between the Earth and the Sun makes solar neutrinos an excellent test beam for exploring possible neutrino…”
Get full text
Journal Article -
13
Evidence for muon neutrino oscillation in an accelerator-based experiment
Published in Physical review letters (04-03-2005)“…We present results for nu(mu) oscillation in the KEK to Kamioka (K2K) long-baseline neutrino oscillation experiment. K2K uses an accelerator-produced nu(mu)…”
Get full text
Journal Article -
14
Search for Lorentz and CPT violation using sidereal time dependence of neutrino flavor transitions over a short baseline
Published 31-05-2017“…Phys. Rev. D 95, 111101 (2017) A class of extensions of the Standard Model allows Lorentz and CPT violations, which can be identified by the observation of…”
Get full text
Journal Article -
15
The search for neutron-antineutron oscillations at the Sudbury Neutrino Observatory
Published 01-05-2017“…Phys. Rev. D 96, 092005 (2017) Tests on $B-L$ symmetry breaking models are important probes to search for new physics. One proposed model with $\Delta(B-L)=2$…”
Get full text
Journal Article -
16
First Measurement of the Muon Neutrino Charged Current Single Pion Production Cross Section on Water with the T2K Near Detector
Published 08-11-2016“…Phys. Rev. D 95, 012010 (2017) The T2K off-axis near detector, ND280, is used to make the first differential cross section measurements of muon neutrino…”
Get full text
Journal Article -
17
Search for coherent charged pion production in neutrino-carbon interactions
Published in Physical review letters (16-12-2005)“…We report the result from a search for charged-current coherent pion production induced by muon neutrinos with a mean energy of 1.3 GeV. The data are collected…”
Get full text
Journal Article -
18
Measurement of Muon Antineutrino Oscillations with an Accelerator-Produced Off-Axis Beam
Published 16-05-2016“…Phys. Rev. Lett. 116, 181801 (2016) T2K reports its first measurements of the parameters governing the disappearance of $\bar{\nu}_\mu$ in an off-axis beam due…”
Get full text
Journal Article -
19
Current Status and Future Prospects of the SNO+ Experiment
Published 28-01-2016“…Advances in High Energy Physics, vol. 2016, 6194250 SNO+ is a large liquid scintillator-based experiment located 2km underground at SNOLAB, Sudbury, Canada. It…”
Get full text
Journal Article -
20
Measurement of the Electron Neutrino Charged-current Interaction Rate on Water with the T2K ND280 pi-zero Detector
Published 19-05-2015“…Phys. Rev. D 91 112010 2015 This paper presents a measurement of the charged current interaction rate of the electron neutrino beam component of the beam above…”
Get full text
Journal Article