About Me
I am a Malaysian-born Physicist based in Shanghai. I joined Tsung-Dao Lee Institute in 2019 as a TDLI Fellow and an Associate Professor at Shanghai Jiao Tong University. I received my Ph.D. from ETH Zurich, Switzerland in 2015, a Master’s degree from the University of Tokyo (2011), and a Bachelor’s degree from Kyoto University (2009). I have been involved in Muon Physics since 2011, through research activities involving low-energy muon beamline, cryogenic muonium production, measurement of the muon magnetic anomaly, and searches for the muon electric dipole moment. I have been a member of the Fermilab Muon g-2 experiment since 2015 and the PSI muEDM collaboration since 2019. Recently with some undergraduate students, I am exploring the use of GeV electrons for muon physics. I also launched some DIY Muon Physics projects for high school students in Shanghai. Besides research, I love to travel, explore international cuisine, and play badminton. As you may have anticipated from my education and research background, I have been to more than 25 countries and 60 major cities in the world. As an experimental particle physicist, I am very proud to say that, for working and visiting purposes, I have been to most of the top physics laboratories in the world, including KEK, J-PARC, Kamioka, CERN, PSI, Fermilab, Argonne, TRIUMF, CSNS, and DESY.
Research Focus of Our Group
Our group is actively involved in precision frontier experiments using muon as a probe to test the Standard Model of particle physics. Even though the muon was first discovered back in 1936, it is still a focus in frontier research. It plays a pivotal role in the establishment of the Standard Model of particle physics, and it is a very sensitive probe of theories beyond the Standard Model of particle physics. Under the framework of the Standard Model, the muon and the electron are sibling particles called leptons. All their properties are identical except for the mass, and why the muon exists is still a mystery. To unravel this mystery, our group members have been focusing on measuring its fundamental properties, mainly engaged in the research of high-quality muon beams, magnetic anomaly, and electric dipole moment. Our group is involved in various aspects of experimental physics, such as beam and detector simulation, detector prototyping, data reconstruction, and data analysis. Recently we have launched a muon source project utilizing the to be constructed SHINE facility and also a muography project with applications in detector R&D and underground space imaging. Always welcome young and motivated physicists to join us in Shanghai!
TDLI Muon Physics Group Culture
To enhance the education and research experience of the group members, we hold weekly journal clubs (recent papers on muon physics and related topics) and study groups (introductory textbooks for newcomers). We encourage students and postdocs to actively present their work at national and international conferences (at least twice per year). We also accept motivated undergraduate students through various undergrad research programs (PRP, Zhiyuan Scholar Program, Summer Internship, and International Programs like DAAD Worldwide RISE). Outstanding students will have the opportunity to travel to national labs worldwide (Fermilab, PSI, J-PARC) to carry out their research work.
Selected Publications
- Measurement of the Positive Muon Anomalous Magnetic Moment to 0.20 ppm, D.P. Aguillard et al., Phys. Rev. Lett. 131 (2023) 16, 161802
- Status of the muEDM Experiment at PSI, K. S. Khaw et al., Phys. Sci. Forum 8 (2023) 1, 50
- A pulsed muon source based on a high-repetition-rate electron accelerator, JACoW IPAC2023 (2023) TUPA087
- Muon g−2: a review, A. Keshavarzi, K. S. Khaw and T. Yoshioka, Nucl. Phys. B 975 (2022) 115675
- Measurement of the Positive Muon Anomalous Magnetic Moment to 0.46 ppm, B. Abi et al., Phys. Rev. Lett. 126 (2021) 14, 141801
- Performance of the Muon g-2 calorimeter and readout systems measured with test beam data, by K.S. Khaw et al., Nucl. Instrum. Meth. A 945 (2019), 162558
- Spatial confinement of muonium atoms, by K. S. Khaw et al., Phys. Rev. A 94 (2016) 2, 022716
- Geant4 simulation of the PSI LEM beam line: energy loss and muonium formation in thin foils and the impact of unmoderated muons on the mSR spectrometer, by K. S. Khaw et al., JINST 10 (2015) 10, P10025
- Muon cooling: Longitudinal compression, by Y. Bao et al., Phys. Rev. Lett. 112 (2014) 22, 224801
- Muonium emission into vacuum from mesoporous thin films at cryogenic temperatures, by A. Antognini et al., Phys. Rev. Lett. 108 (2012) 143401