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Development of the Beam Monitor Detectors for the Low-E Beamline at the CERN SPS H2 Line
Y. Hino, M. Harada, N. Meguro +7
A series of beam tests were conducted at the KEK AR test beamline in ordet to investigate the performance of a prototype detector for instrumentation in the low-E beamline at the C…
Performance evaluation of electron multiplier tubes as a high-intensity muon beam monitor of accelerator neutrino experiments
Takashi Honjo, Yosuke Ashida, Oderich F. Auersperg-Castell +22
Upgrade work towards increasing the beam intensity of the neutrino beamline at J- PARC is underway. Monitoring tertiary muon beams is essential for stable operation of the beamline…
Second gadolinium loading to Super-Kamiokande
K. Abe, C. Bronner, Y. Hayato +246
The first loading of gadolinium (Gd) into Super-Kamiokande in 2020 was successful, and the neutron capture efficiency on Gd reached 50\%. To further increase the Gd neutron capture…
First Gadolinium Loading to Super-Kamiokande
K. Abe, C. Bronner, Y. Hayato +212
In order to improve Super-Kamiokande's neutron detection efficiency and to thereby increase its sensitivity to the diffuse supernova neutrino background flux, 13 tons of $\rm Gd_2(…
The Hyper-Kamiokande Experiment -- Snowmass LOI
Kamiokande Collaboration, K. Abe, P. Adrich +387
Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times l…
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…
A new electron-multiplier-tube-based beam monitor for muon monitoring at the T2K experiment
Yosuke Ashida, Megan Friend, Atsuko Ichikawa +5
Muon beam monitoring is indispensable for indirectly monitoring accelerator-produced neutrino beams in real time. Though Si photodiodes and ionization chambers have been successful…
Hyper-Kamiokande Design Report
Hyper-Kamiokande Proto-Collaboration, :, K. Abe +313
On the strength of a double Nobel prize winning experiment (Super)Kamiokande and an extremely successful long baseline neutrino programme, the third generation Water Cherenkov dete…
A high-finesse Fabry-Perot cavity with a frequency-doubled green laser for precision Compton polarimetry at Jefferson Lab
A. Rakhman, M. Hafez, S. Nanda +13
A high-finesse Fabry-Perot cavity with a frequency-doubled continuous wave green laser (532~nm) has been built and installed in Hall A of Jefferson Lab for high precision Compton p…
A Long Baseline Neutrino Oscillation Experiment Using J-PARC Neutrino Beam and Hyper-Kamiokande
Kamiokande Working Group, K. Abe, H. Aihara +245
Hyper-Kamiokande will be a next generation underground water Cherenkov detector with a total (fiducial) mass of 0.99 (0.56) million metric tons, approximately 20 (25) times larger…
Letter of Intent to Construct a nuPRISM Detector in the J-PARC Neutrino Beamline
S. Bhadra, A. Blondel, S. Bordoni +47
As long-baseline neutrino experiments enter the precision era, the difficulties associated with understanding neutrino interaction cross sections on atomic nuclei are expected to l…
Measurement of the muon beam direction and muon flux for the T2K neutrino experiment
K. Suzuki, S. Aoki, A. Ariga +30
The Tokai-to-Kamioka (T2K) neutrino experiment measures neutrino oscillations by using an almost pure muon neutrino beam produced at the J-PARC accelerator facility. The T2K muon m…
LBNO-DEMO: Large-scale neutrino detector demonstrators for phased performance assessment in view of a long-baseline oscillation experiment
L. Agostino, B. Andrieu, R. Asfandiyarov +111
In June 2012, an Expression of Interest for a long-baseline experiment (LBNO) has been submitted to the CERN SPSC. LBNO considers three types of neutrino detector technologies: a d…
Comparison of Modeled and Measured Performance of a GSO Crystal as Gamma Detector
D. S. Parno, M. Friend, V. Mamyan +5
We have modeled, tested, and installed a large, cerium-activated Gd2SiO5 crystal scintillator for use as a detector of gamma rays. We present the measured detector response to two…
Upgraded photon calorimeter with integrating readout for Hall A Compton Polarimeter at Jefferson Lab
M. Friend, D. Parno, F. Benmokhtar +12
The photon arm of the Compton polarimeter in Hall A of Jefferson Lab has been upgraded to allow for electron beam polarization measurements with better than 1% accuracy. The data a…
An LED pulser for measuring photomultiplier linearity
M. Friend, G. B. Franklin, B. Quinn
A light-emitting diode (LED) pulser for testing the low-rate response of a photomultiplier tube (PMT) to scintillator-like pulses has been designed, developed, and implemented. Thi…
Preliminary Results from Integrating Compton Photon Polarimetry in Hall A of Jefferson Lab
D. Parno, M. Friend, F. Benmokhtar +5
A wide range of nucleon and nuclear structure experiments in Jefferson Lab's Hall A require precise, continuous measurements of the polarization of the electron beam. In our Compto…