Theses related to MEG Collaboration


Doctoral Theses

2023
  • “Search for μ→ eγ with the first year data of the MEG II experiment”
    Atsushi Oya, December 2023, the University of Tokyo
    [PDF for bookbinding 13MB] [PDF for display 13MB]

  • 2022
  • “Full Commissioning of Liquid Xenon Scintillation Detector to Search for μ+ → e+γ with the Highest Sensitivity in MEG II Experiment ”
    Satoru Kobayashi, December 2022, The University of Tokyo
    [PDF 24MB]

  • “Search for the X(17) particle in the 7Li(p,e+e-)8Be reaction with the MEG II detector”
    Manuel MEUCCI, March 2022, Sapienza University of Rome
    [PDF 160MB]

  • 2021
  • “Suppresion of γ-ray backgrounds for the highest sensitivity of μ+ → e+ γ search in MEG II experiment”
    Rina ONDA, December 2021, the University of Tokyo
    [PDF 52.7MB]

  • “Innovative positron spectrometer for μ+ → e+ γ search beyond 10-13 sensitivity with most intense μ+ beam”
    Masashi USAMI, May 2021, the University of Tokyo
    [PDF 29.1MB]

  • 2020
  • “Liquid xenon detector with highly granular scintillation readout to search for μ+ → e+ γ with sensitivity of 5 × 10-14 in MEG II experiment”
    Shinji OGAWA, October 2020, the University of Tokyo
    [PDF 27MB] [Slide 36MB]

  • “Search for lepton flavor violating muon decay mediated by a new light particle in the MEG experiment”
    Mitsutaka NAKAO, January 2020, the University of Tokyo
    [PDF 35MB]

  • 2019
  • “The construction and commissioning of the ultra low mass MEG II drift chamber for the search of the μ+ → e+ γ decay at branching ratios below 10-13
    Marco CHIAPPINI, December 2019, University of Siena and INFN Pisa
    [PDF 251MB]

  • 2018
  • “Positron Timing Mesurement to Seach for Lepton Flavor Violating Decay in MEG II”
    Miki NISHIMURA, May 2018, the University of Tokyo
    [PDF 46MB]

  • 2017
  • “The tracking detector of the MEG II experiment”
    Gianluigi Chiarello, July 2017, University of Salento
    [PDF (in English) 6MB]

  • “In Search Of Charged Lepton Flavor Violating Decays at PSI”
    Giada RUTAR, February 2017, Paul Scherrer Institute and ETH Zurich
    [PDF 21MB]

  • “CMBL - A High-intensity Muon Beam Line & Scintillation Target with Monitoring System for Next-generation Charged Lepton Flavour Violation Experiments”
    Felix BERG, November 2017, Paul Scherrer Institute and ETH Zurich
    [PDF 84MB]

  • “Improving the search for the μ → e γ decay: the final MEG result and the new tracker for its upgrade ”
    Marco VENTURINI, January 2017, Scuola Normale Superiore and INFN Pisa
    [PDF 84MB]

  • 2016
  • “The final result of μ+ → e+γ search with the MEG experiment”
    Daisuke KANEKO, July 2016, the University of Tokyo
    [PDF 17MB]

  • 2015
  • “An active target for the MEG experiment”
    Emanuele Ripiccini, January 2015, University of Roma "La Sapienza"

  • 2014
  • “Search for lepton flavor violations with the MEG experiment and its upgrade”
    Francesco Tenchini, January 2014, University of Pisa"

  • 2013
  • “Search for the Lepton Flavor Violating Muon Decay μ+ → e+γ with a Sensitivity below 10-12 in the MEG Experiment”
    Yuki FUJII, December 2013, the University of Tokyo
    [PDF 46MB]

  • 2012
  • “Search for the Lepton Flavor Violating Decay μ+ → e+γ With A Sensitivity of 10-12
    Xue Bai, December 2012, the University of Tokyo
    [PDF 29MB]

  • “Search for a Lepton Flavor Violating Muon Decay Mediated by a New Light Neutral Particle with the MEG Detector”
    Hiroaki Natori, July 2012, the University of Tokyo
    [PDF 6MB]

  • “New Analysis Method to Confirm the Upper Limit of the Branching Ratio B(μ+ → e++γ) from the MEG Experiment”
    Jeanine ADAM, July 2012, ETH Zurich
    [PDF 11MB]

  • “In Pursuit of the Rare Decay μ+ → e+γ: A Window to the UV Completion of the Standard Model”
    Ben GOLDEN, January 2012, University of California, Irvine
    [PDF 13MB]

  • 2011
  • “Searching for the muon decay μ+ → e+γ : the problem of the high resolution measurement of the positron timing”
    Matteo DE GERONE, March 2011, University of Genova
    [PDF 20MB]

  • “The performance off the MEG liquid xenon calorimeter in search of the μ+ → e+γ decay ”
    Giovanni Gallucci, April 2011, University of Pisa

  • 2010
  • “A Search for the Decay μ+ → e+γ Using a High-Resolution Liquid Xenon Gamma-Ray Detector”
    Yasuhiro NISHIMURA, December 2010, the University of Tokyo
    [PDF 19MB]

  • “A real time glance at the Lepton Flavor Decay muon to positron and gamma in the MEG experiment”
    Luca GALLI, December 2010, Pisa University
    [PDF 19MB]

  • “Measurement of the Radiative Muon Decay Branching Fraction in the MEG Experiment”
    Feng XIAO, September 2010, University of California, Irvine
    [PDF 13MB]

  • 2009
  • “Analysis of the First MEG Physics Data to Search for the Decay μ+ → e+γ”
    Yusuke UCHIYAMA, December 2009, the University of Tokyo
    [PDF 16MB]

  • “Search for the Lepton Flavour Violation in μ→eγ. The calibration methods for the MEG experiment.”
    Angela PAPA, June 2009, University of Pisa
    [PDF 33MB]

  • 2008
  • “A Liquid Xenon Scintillation Detector to Search for the Lepton Flavor Violating Muon Decay with a Sensitivity of 10-13
    Ryu SAWADA, November 2008, University of Tokyo
    [PDF 36MB]

  • “The drift chambers of the MEG experiment”
    Matthias SCHNEEBELI, ETH Zurich, 2008
    [PDF 10MB]

  • “An Innovative Positron Spectrometer to Search for the Lepton Flavour Violating Muon Decay with a Sensitivity of 10-13
    Hajime NISHIGUCHI, March 2008, University of Tokyo
    [PDF 37MB]

  • “MEG search for the μ→eγ decay. A study of the timing counter detector”
    Alessandro Barchiesi, February 2008, University of Rome "La Sapienza2

  • 2006
  • “Development of the Timing Counter for the MEG experiment”
    Riccardo VALLE, May 2006, University of Genova
    [PDF 4MB]

  • “In search for the Lepton Flavour Violation: the MEG experiment”
    Simeone DUSSONI, May 2006, University of Genova
    [PDF XMB]

  • “Track finding for positrons in the MEG experiment”
    Claudio CHIRI, July 2006, University of Lecce
    [PDF 4MB]

  • 2005
  • “Liquid Xenon Scintillation Detector for the New μ→eγ Search Experiment”
    Kenji OZONE, March 2005, University of Tokyo
    [PDF 25MB]

  • “A sensitive search for lepton flavor violation: the MEG experiment and the new liquid xenon calorimetry”
    Giovanni SIGNORELLI, February 2005, Scuola Normale Superiore di Pisa
    [gzipped PS 24MB] [PDF 24 MB]

  • Master's Theses

    2024
  • “Development of Photon Pair Spectrometer for Next Generation μ+ → e+γ Search Experiment”
    Rintaro Yokota, January 2024, the University of Tokyo
    [PDF (in Japanese) 17 MB]

  • 2023
  • “Development of DLC-RPC for background suppression in MEG II experiment”
    Masato Takahashi, February 2023, Kobe University
    [PDF (in Japanese) 63 MB]

  • “Calibration and Timing Resolution Evaluation of Liquid Xenon Gamma Ray Detector in MEG II experiment”
    Ayaka Matsushita, January 2023, the University of Tokyo
    [PDF (in Japanese) 11 MB]

  • “Development of Photon Pair Spectrometer with Active Converter for Future μ+→e+γ Search Experiment”
    Fumihito Ikeda, January 2023, the University of Tokyo
    [PDF (in Japanese) 1.9 MB]

  • 2022
  • “Development of ultra-low mass and high-rate capable resistive plate chamber for background reduction in the MEG II experiment”
    Kensuke Yamamoto, January 2022, the University of Tokyo
    [PDF (in Japanese) 15 MB]

  • “Research on photon detection efficiency of VUV-MPPC in MEG II liquid xenon detector and on stable operation of the detector”
    Keisuke Yoshida, January 2022, the University of Tokyo
    [PDF (in Japanese) 27 MB]

  • 2021
  • “Position Calibration of Multi-pixelated Positron Timing Counter in MEG II experiment”
    Taku Yonemoto, January 2021, the University of Tokyo
    [PDF (in Japanese) 18 MB]

  • “Research on photon detection efficiency of VUV-MPPC in MEG II liquid xenon detector”
    Kohei Shimada, January 2021, the University of Tokyo
    [PDF (in Japanese) 3.7 MB]

  • 2020
  • “Research on Long-term Operation and Analysis Method of Positron Timing Counter in MEG II Experiment”
    Kosuke Yanai, January 2020, the University of Tokyo
    [PDF (in English) 40 MB]

  • “Development of ultra-low material RPC detector for further sensitivity improvement of MEG II experiment”
    Atsushi Oya, January 2020, the University of Tokyo
    [PDF (in Japanese) 6 MB]

  • “Research and Development on Calibration of MEG II Gamma Ray Detector”
    Kazuki Toyoda, January 2020, the University of Tokyo
    [PDF 15 MB]

  • 2019
  • “Research and Development on Time Calibration and Background Reduction for γ-ray Detection in MEG II Experiment”
    Rina Onda, January 2019, the University of Tokyo
    [PDF (in Japanese) 39 MB]

  • “Research on precise gamma-ray position measurement with MEG II liquid xenon detector”
    Satoru Kobayashi, January 2019, the University of Tokyo
    [PDF (in Japanese) 65 MB]

  • 2018
  • “Research on radiation tolerance and long-term stable operation of MEG II positron timing counter”
    Masashi Usami, January 2018, the University of Tokyo
    [PDF (in Japanese) 28 MB]

  • “Performance evaluation of photo-sensors in MEG Ⅱ liquid xenon gamma-ray detector and verification of detector stability”
    Nobuo Matsuzawa, January 2018, the University of Tokyo
    [PDF (in Japanese) 22 MB]

  • “Calibration of the MEGII drift chamber”
    Anastasio Fratangelo December 2018, Sapienza University of Rome
    [PDF 7.5 MB]

  • 2017
  • “MEG II positron timing counter - construction, calibration, and performance evaluation by using high intensity muon beam”
    Mitsutaka Nakao, January 2017, the University of Tokyo
    [PDF (in Japanese) 20 MB]

  • “Development and commissioning of MEG II Radiative Decay Counter”
    Ryoto Iwai, January 2017, the University of Tokyo
    [PDF (in English) 22 MB]

  • 2016
  • “The new drift chamber of the MEG-II experiment, in search for lepton flavor violations”
    Marco Chiappini, July 2016, University of Pisa
    [PDF (in English) 9 MB]

  • “Development of liquid xenon gamma-ray detector for MEG II experiment with highly granular readout realized by VUV sensitive large area MPPC”
    Shinji Ogawa, January 2016, the University of Tokyo
    [PDF (in Japanese) 14 MB]

  • “Development of Radiative Decay Counter for ultimate sensitivity of MEG II experiment”
    Shota Nakaura, January 2016, the University of Tokyo
    [PDF (in English) 64 MB]

  • “Development of Time Calibration Method and In-Beam Performance Test of Positron Timing Counter for the MEG II Experiment”
    Kohei Yoshida, January 2016, the University of Tokyo
    [PDF (in Japanese) 34 MB]

  • 2014
  • “Research and Development of Positron Timing Counter with a 30 psec Resolution for the Upgraded MEG Experiment”
    Miki Nishimura, January 2014, the University of Tokyo
    [PDF (in Japanese) 14 MB]

  • 2013
  • “Studio delle prestazioni della nuova camera a deriva dell'esperimento MEG”
    Tiziano Rovai, July 2013, University of Pisa
    [PDF (in italian) 12.5 MB]

  • “Ageing and performance studies of drift chamber prototypes for the MEG experiment upgrade”
    Marco Venturini, July 2013, University of Pisa
    [PDF (in English) 51 MB]

  • 2012
  • “A calibration improvement of the gamma ray detector in the MEG experiment”
    Teppei CHIBA, January 2012, the University of Tokyo
    [PDF (in Japanese) 12.5 MB]

  • 2011
  • “Ricerca del Majorone nei decadimenti del muone con l'esperimento MEG”
    Emanuele Ripiccini, July 2011, "Sapienza" University of Rome
    [PDF (in italian) 5.8 MB]

  • “Misura del tempo di volo del positrone nell'esperimento MEG”
    Erica Chiaverini, January 2011, "Sapienza" University of Rome
    [PDF (in italian) 9.4 MB]

  • “A Study to Search for the Decay μ+ → e+e+e- Using the COBRA Spectrometer in the MEG experiment”
    Yuki FUJII, January 2011, the University of Tokyo
    [PDF (in Japanese) 13 MB]

  • 2010
  • “Studio delle sistematiche del calorimetro elettromagnetico dell'esperimento MEG per l'ottimizzazione della ricerca del decadimento μ+ → e+γ”
    Alessio PORCELLI, October 2010, University of Pisa
    [PDF (in italian) 12 MB]

  • “Calibrazioni e monitoraggio dell'esperimento MEG”
    Francesco TENCHINI, October 2010, University of Pisa
    [PDF (in italian) 28 MB]

  • 2009
  • “Calibration of Photomultipliers of the MEG LXe Detector”
    Bai XUE, January 2009, the University of Tokyo
    [PDF 7 MB]

  • 2008
  • “Geometrical Alignment of the Drift Chamber System and Target of the MEG Experiment”
    Jeanine ADAM, August 2008, ETH Zurich
    [PDF (in English) 10 MB]

  • “Metodi di calibrazione e ricostruzione degli eventi nell'esperimento MEG”
    Luca PERROZZI, May 2008, University of Pisa
    [PDF (in Italian) 22 MB]

  • 2007
  • “Sviluppo del rivelatore a fibre scintillanti per l'esperimento MEG”
    Matteo DE GERONE, October 2007, University of Genova
    [PDF (in Italian) 22 MB]

  • “The performance evaluation of the gamma ray detector using NaI and APD for calibration in the rare muon decay experiment”
    Yasuhiro NISHIMURA, January 2007, the University of Tokyo
    [PDF (in Japanese) 28 MB]

  • 2006
  • “The trigger system of the MEG experiment”
    Luca GALLI, October 2006, University of Pisa
    [PDF (in Italian) 12.6 MB]

  • “Studio della prestazione del calorimetro elettromagnetico dell'esperimento MEG”
    Giovanni GALLUCCI, October 2006, University of Pisa
    [PDF (in Italian) X MB]

  • “Waveform Analysis of Liquid Xenon Calorimeter for the MEG experiment”
    Yusuke UCHIYAMA, January 2006, the University of Tokyo
    [PDF (in Japanese) 7 MB]

  • “Development of Photomultiplier for MEG experiment and A Reserch using Cosmic rays”
    Hiroaki NATORI, January 2006, the University of Tokyo
    [PDF (in Japanese) 5 MB]

  • 2005
  • “The Performance Test of Photomultiplier for MEG Liquid Xenon Calorimeter”
    Yasuko HISAMATSU, January 2005, the University of Tokyo
    [PDF 2 MB]

  • 2004
  • “The MEG experiment at PSI”
    Angela PAPA, April 2004, University of Pisa
    [PS (in Italian) 7 MB]

  • 2003
  • “Performance Evaluation of Liquid Xenon gamma-ray detector for MEG Experiment with Low Energy Electron Beam”
    Toshiya MITSUHASHI, January 2003, the University of Tokyo
    [PDF (in Japanese) 15MB]

  • 2002
  • “Attenuation Length Measurement of Scintillation Light in Liquid Xenon with Cosmic-rays”
    Ryu SAWADA, January 2002, Waseda University
    [PDF (in Japanese) 4MB]

  • 2001
  • “Research and Development of Drift Chamber for μ+→e+γ Decay Search Experiment”
    Hajime NISHIGUCHI, January 2001, the University of Tokyo
    [gzipped PS (in Japanese) 18MB(98MB)] [PDF (in Japanese) 46MB]

  • 2000
  • “Timing Resolution of Liquid Xenon Gamma-ray Detector for μ→eγ Decay Search Experiment”
    Kenji OZONE, January 2000, the University of Tokyo
    [gzipped PS (in Japanese) 9MB(50MB)] [PDF (in Japanese) 15MB]

  • “Calibration of Liquid Xenon Gamma-ray Detector for μ→eγ Decay Search Experiment”
    Go TEJIMA, January 2000, the University of Tokyo
    [gzipped PS (in Japanese) 0.9MB(7MB)] [PDF (in Japanese) 4MB]

  • “Timing Resolution Measurement of Prototype Timing Counter for μ→eγ Search Experiment”
    Kouichi YAHAGI, January 2000, the University of Tokyo
    [gzipped PS (in Japanese) 1.2MB(8MB)] [PDF (in Japanese) 5MB]

  • 1999
  • “Development of Liquid Xenon Calorimeter for μ→eγ Experiment”
    Toshiyuki MIYAZAWA, January 1999, the University of Tokyo
    [gzipped PS (in Japanese) 0.8MB(7MB)] [PDF (in Japanese) 5MB]


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    Y. Uchiyama, July 23rd, 2018