176 citations · 650 across the 19 of their papers we have counts for
19 papers
Search for three body pion decays
A. Aguilar-Arevalo, M. Aoki, M. Blecher +21
The three body pion decays , where is a weakly interacting neutral boson, were searched for using the full data set from the PIENU experiment. An…
Search for the rare decays and
A. Aguilar-Arevalo, M. Aoki, M. Blecher +23
The rare pion decays and are allowed in the Standard Model but highly suppressed. These decays were searched for usi…
Improved search for two body muon decay
A. Aguilar-Arevalo, M. Aoki, M. Blecher +21
Charged lepton flavor violating muon decay , where is a massive neutral boson, was sought by searching for extra peaks in the muon decay $μ^+{\rightar…
J-PARC Neutrino Beamline Upgrade Technical Design Report
K. Abe, H. Aihara, A. Ajmi +381
In this document, technical details of the upgrade plan of the J-PARC neutrino beamline for the extension of the T2K experiment are described. T2K has proposed to accumulate data c…
Search for Heavy Neutrinos in Decay
A. Aguilar-Arevalo, M. Aoki, M. Blecher +21
Heavy neutrinos were sought in pion decays by examining the observed muon energy spectrum for extra peaks in addition to the expected peak for a massless ne…
COMET Phase-I Technical Design Report
The COMET Collaboration, R. Abramishvili, G. Adamov +191
The Technical Design for the COMET Phase-I experiment is presented in this paper. COMET is an experiment at J-PARC, Japan, which will search for neutrinoless conversion of muons in…
Improved Search for Heavy Neutrinos and a Test of Lepton Universality in the Decay $π^+ \rightarrow \mbox{e}^+ ν$
R. E. Mischke, A. Aguilar-Arevalo, M. Aoki +21
Two results from the PIENU Experiment are presented reporting a test of lepton universality in pion decay and improved limits on heavy neutrinos coupling to positrons. The status o…
Trigger Merging Module for the J-PARC E16 Experiment
M. Ichikawa, T. N. Takahashi, K. Aoki +13
An experiment to measure an invariant mass of ϕ mesons in nuclear medium is planned as the J-PARC E16 experiment. A trigger merging module (TRG-MRG) has been developed to detect le…
Improved Search for Heavy Neutrinos in the Decay
A. Aguilar-Arevalo, M. Aoki, M. Blecher +21
A search for massive neutrinos has been made in the decay . No evidence was found for extra peaks in the positron energy spectrum indicative of pion decays invo…
Extension of the J-PARC Hadron Experimental Facility - summary report -
Hiroyuki Fujioka, Kenneth Hicks, Yoichi Igarashi +18
The committee for the study of the extension of the Hadron Experimental Facility was formed under the Hadron Hall Users' Association in August, 2015. This document is a summary of…
Missing-mass spectroscopy with the Li()X reaction to search for H
R. Honda, M. Agnello, J. K. Ahn +63
We searched for the bound state of the neutron-rich -hypernucleus H, using the Li()X double charge-exchange reaction at a beam momentum o…
The design and basic performance of a Spiral Fiber Tracker for the J-PARC E36 experiment
O. Mineev, S. Bianchin, M. D. Hasinoff +12
A spiral fiber tracker (SFT) has been designed and produced for the J-PARC E36 experiment as an element of the tracking system for conducting a high-resolution momentum measurement…
Search for Pentaquark Theta+ in Hadronic Reaction at J-PARC
M. Naruki
A variety of nuclear and hadron physics experiments are being performed using meson beams at the J-PARC Hadron Facility. As the first experiment at the facility, the pentaquark The…
Status of the TRIUMF PIENU Experiment
S. Ito, A. Aguilar-Arevalo, M. Aoki +21
The PIENU experiment at TRIUMF aims to measure the pion decay branching ratio with precision % to provide a sens…
Improved measurement of the $π\rightarrow \mbox{e} ν$ branching ratio
A. Aguilar-Arevalo, M. Aoki, M. Blecher +23
A new measurement of the branching ratio, $R_{e/μ} =Γ(π^+ \rightarrow \mbox{e}^+ ν+ π^+ \rightarrow \mbox{e}^+ νγ)/ Γ(π^+ \rightarrow μ^+ ν+ π^+ \rightarrow μ^+ νγ)$, resulted in $…
Detector for measuring the branching fraction
A. A. Aguilar-Arevalo, M. Aoki, M. Blecher +24
The PIENU experiment at TRIUMF is aimed at a measurement of the branching ratio = ${Γ\big((π^{+} \rightarrow e^{+} ν_{e}) + (π^{+} \rightarrow e^{+} ν_{e}γ)\big)}/{Γ\big(…
Development of time projection chamber for precise neutron lifetime measurement using pulsed cold neutron beams
Y. Arimoto, N. Higashi, Y. Igarashi +24
A new time projection chamber (TPC) was developed for neutron lifetime measurement using a pulsed cold neutron spallation source at the Japan Proton Accelerator Research Complex (J…
On-site Background Measurements for the J-PARC E56 Experiment: A Search for Sterile Neutrino at J-PARC MLF
S. Ajimura, T. J. C. Bezerra, E. Chauveau +22
The J-PARC E56 experiment aims to search for sterile neutrinos at the J-PARC Materials and Life Science Experimental Facility (MLF). In order to examine the feasibility of the expe…
Search for Massive Neutrinos in the Decay pi --> e nu
PIENU Collaboration, M. Aoki, M. Blecher +20
Evidence of massive neutrinos in the pi --> e nu decay spectrum was sought with the background pi --> mu --> e decay chain highly suppressed. Upper limits (90% C.L.) on the neutrin…