About

Here is a website with information of Sohtaro Kanda's research and development activities.

Curriculum Vitae

Personal Details and Contact Information

  • Name: Sohato Kanda (神田 聡太郎)
  • Date of Birth: August 27, 1987
  • Affiliation: RIKEN (理化学研究所)
    Nishina Center for Accelerator-Based Science
    Advanced Meson Laboratory
  • Address: Hirosawa 2-1, Wako, Saitama, Japan
    Main Research Building, Room 307
  • Position: Postdoctoral Researcher
  • Contact: sohtaro.kanda at riken.jp

Education

  • Doctor of Philisophy at The University of Tokyo, Feb. 28, 2017
    Concentrations: Physics, Particle/Nuclear/Atomic Physics
    Dissertation: "Direct measurement of muonium ground state hyperfine splitting with high-intensity pulsed muon beam"

  • Master of Science at The University of Tokyo, Mar. 31, 2013
    Concentrations: Physics, Particle Physics, High Energy Physics
    Dissertation: "Development of a high rate positron tracker and study of muonium production target for muon g-2/EDM experiment at J-PARC"

Work Experience

  • Mar. 2017 - today : Postdoctoral Researcher / RIKEN
  • Apr. 2016 - Mar. 2017 : Research Assistant / The Univ. of Tokyo
  • Apr. 2014 - Mar. 2016 : Research Fellowship for Young Scientists / JSPS
  • Apr. 2013 - Mar. 2014 : Junior Research Associate / RIKEN
  • Apr. 2011 - Mar. 2013 : Research Assistant / KEK

Awards

  • Young Scientist Award of the Physical Society of Japan
    日本物理学会若手奨励賞 (2017)
  • Award of the Japan Association of High Energy Physicists
    高エネルギー物理学奨励賞 (2017)
  • Student Award of the Society of Muon and Meson Science of Japan
    日本中間子科学会 学生奨励賞 (2017)
  • Best Poster Award at HINT2016 (2016)
  • Best Student Poster Award at 3rd Quantum Beam Science Festa (2015)
  • Best Student Poster Award at 2nd IMSS Science Festa (2014)
  • Best Poster Award at KEK Student Day (2014)
  • Best Student Poster Award at 1st IMSS Science Festa (2013)
  • Best presentation Award at Spring School of High Energy Physics (2012)

Research

Precision Physics of Fundamental Symmetries

Laser Spectroscopy of Muonic Hydrogen

A new measurement of the proton Zemach radius via spectroscopy of the ground-state hyperfine splitting in muonic hydrogen.

Microwave Spectroscopy of Muonium

The most stringent test of the bound-state QED theory and a precision measurement of the muon-to-electron mass ratio.

Muon g-2/EDM

Precision measurement of the muon anomalous magnetic moment and a search for the muon electric dipole moment.

PHENIX

Relativistic proton-proton collision for factorization of the proton spin.

Development

Instrumentation for Physics Research

Mid-Infrared Laser

Intense, pulsed, narrow-width light source for a muonic hydrogen spectroscopy.

High-Rate Capable Particle Detector

Segmentned scintillation counter for an experiment with high-intensity pulsed muon beam.
S. Kanda, PoS(PhotoDet2015)036 (2016)

Extremely Thin Beam Profile Monitor

Beam profile monitor with minimum beam destruction.
S. Kanda, RIKEN APR Vol. 48 (2016)

Three-Dimensional Beam Imager

Beam profile monitor for an experiment with low-density gas target.
S. Kanda et al., KEK-MSL Prog. Rep. 2014 (2015)

Muonium Emitter

Structured silica aerogel for the muon beam cooling via laser ionization of thermal muonium in vacuum.
G. Beer et al., Prog. Theor. Exp. Phys. 091C01 (2014)
S. Kanda, Nuclear Physics B Proc. Suppl. (2014)

Readout Electronics

ASIC and FPGA for analog/digital signal processes from silicon photomultupliers.
K. M. Kojima et al., J. Phys. Conf. Ser. 551 (2014)

Publication

Author(s) Journal Title
S. Kanda et al. Precision laser spectroscopy of the ground state hyperfine splitting in muonic hydrogen Proceedings of Science, PoS(NuFACT2017)122 (2018) 1-6.
S. Kanda for the MuSEUM Collaboration Direct measurement of muonium hyperfine splitting at J-PARC Proceedings of Science, PoS(INPC2016)170 (2017) 1-6.
C. Aidala et al. (PHENIX Collaboration, 157th in 412 authors) Cross section and transverse single-spin asymmetry of muons from open heavy-flavor decays in polarized p + p collisions at √s = 200 GeV Phys. Rev. D 95, 112001 (2017) 1-15.
S. Kanda Development of magnetic shield for the MuSEUM experiment RIKEN Accelerator Progress Report Vol. 49 (2017) 227.
S. Kanda Development of a new positron counting system with SiPM readout for muon spin spectrometers Proceedings of Science, PoS(PhotoDet2015)036 (2016) 1-6.
S. Kanda Development of online muon beam profile monitor for the MuSEUM experiment RIKEN Accelerator Progress Report Vol. 48 (2016) 278.
A. Adare et al. (PHENIX Collaboration, 122th in 349 authors) Measurements of double- helicity asymmetries in inclusive J/ψ production in longitudinally polarized p + p collisions at √s = 510 GeV Phys. Rev. D 94, 112008 (2016) 1-10.
S. Kanda et al. Development of 3D imaging of muon stopping distribution for muonium HFS measurement KEK-MSL Progress Report 2014 (2015) 46-47.
S. Kanda et al. (1st in 39 authors) Precision measurement of muonium hyperfine splitting at J-PARC and integrated detector system for high-intensity pulsed muon beam experiment JPS Conf. Proc. 8, 025006 (2015) 1-6.
S. Kanda for the MuSEUM collaboration Precision measurement of muonium hyperfine splitting at J-PARC RIKEN Accelerator Progress Report Vol. 47 (2015) 264.
K. M. Kojima et al. (15 th in 21 authors) New μSR spectrometer at J-PARC MUSE based on Kalliope detectors J. Phys. Conf. Ser. 551 (2014) 012063.
S. Kanda et al. Development of High-Rate Positron Tracker for the Muonium Production Experiment at J-PARC JPS Conf. Proc. 2, 010404 (2014) 1-7.
G. Beer et al. (6th in 27 authors, alphabetical order) Enhancement of muonium emission rate from silica aerogel with a laser-ablated surface Prog. Theor. Exp. Phys. 091C01 (2014) 1-7.
A. Adare et al. (PHENIX Collaboration, 139th in 349 authors, alphabetical order) Nuclear matter effects on J/ψ production in asymmetric Cu+Au collisions at √sNN = 200 GeV Phys. Rev. C, 90, 064908 (2014) 1-6.
S. Kanda for the muon g/EDM Collaboration Muonium production target for the muon g-2/EDM experiment at J-PARC Nuclear Physics B Proceedings Supplements (2014).
S. Kanda Development of highly segmented positron counter under high magnetic field for the muonium HFS measurement KEK-MSL Progress Report 2013 (2014).
P. Bakule et al. (12th in 31 authors, alphabetical order) Measurement of muonium emission from silica aerogel Prog. Theor. Exp. Phys. 103C01 (2013) 1-10.

Presentation

Date Venue Title
Aug. 2018 NuFact2018, Virginia Precision spectroscopy of exotic atoms involving muon
Jul. 2018 Nucleon Spin Structure at Low Q: A Hyperfine View, Trento Laser spectroscopy of the hyperfine splitting in muonic hydrogen atom by a measurement of decay electron asymmetry
May. 2018 PSAS2018, Vienna Measurement of the proton Zemach radius from the hyperfine splitting in muonic hydrogen atom
Apr. 2018 Workshop on Lepton Flavor Physics with Most Intense DC Muon Beams, Tokyo Precision Spectroscopy of Muonic Systems with High-intensity Pulsed Muon Beam
Mar. 2018 JPS Annual Meeting, Chiba Precision laser spectroscopy of muonic hydrogen atom
Mar. 2018 JPS Annual Meeting, Chiba Direct Measurement of Muonium Ground State Hyperfine Splitting with High-intensity Pulsed Muon Beam
Oct. 2017 NuFact2017, Uppsala Precision Laser Spectroscopy of the Ground State Hyperfine Splitting in Muonic Hydrogen
Jul. 2017 FPUNA, Osaka Precision laser spectroscopy of the muonic hydrogen HFS for determination of the proton Zemach radius
Dec. 2016 HINT2016, Tokai Direct observation of muonium ground state hyperfine structure at J-PARC
Oct. 2016 INPC2016, Adelaide Direct measurement of muonium hyperfine splitting at J-PARC
Aug. 2016 HiSEBSM, Quy Nhon Precision Microwave Spectroscopy of Muonium Hyperfine Splitting at J-PARC
Feb. 2016 LEAP2016, Kanazawa Development of a fiber beam profile monitor for the experiments with low- energy charged particle beam
Oct. 2015 HINT2015, Tokai Direct measurement of muonium ground state hyperfine splitting at zero magnetic field
Jul. 2015 PhotoDet2015, Moscow Development of a new positron counting system with SiPM readout for muon spin spectrometers
Oct. 2014 HAWAII2014, Hawaii Precision measurement of muonium hyperfine splitting at J-PARC
Sep. 2014 J-PARC2014, Tsukuba Precision measurement of muonium hyperfine splitting at J-PARC - Integrated detector system of high- intensity pulsed muon beam experiment
Jul. 2014 EGAS45, Lille Precision Measurement of Muonium Hyperfine Splitting at J-PARC
Sep. 2013 PSI2013, Villigen Precision measurement of muonium hyperfine splitting at J-PARC
Aug. 2013 USM2013, Matsue Development of High-Rate Positron Tracker for the Muonium Production Experiment at J-PARC
Feb. 2013 PCPV2013, Maharashtra Muonium production target for the muon g-2/EDM experiment at J-PARC