2017- Professor, Kavli IPMU & Graduate School of Interdisciplinary Information Studies(GSII, for education), The University of Tokyo
2007–2017 Associate Professor, School of Science ,University of Tokyo
2005–2007 Senior Researcher, SOKENDAI, Hayama Center
2004 Researcher (changed research field, science and society) Tokyo Institute of Technology
2004 Ph.D. in Science , Tokyo University of Science, Graduate School of Science and Technology, Physics Department
March 1999 B.A. in Physics, Tokyo University of Science, Faculty of Science and Technology, Physics Department
2016 As a member of K2K, Breakthrough Prize in Fundamental Physics
2015 Science and Technology Society Society, Kakiuchi Kessiuchi Research Encouragement Prize
2007 Science Journalist Award 2007, Japanese Association of Science & Technology Journalists
Committee member, etc
2019.4- Kavli IPMU Steering Committee member
2019.4- Japanese Society for Science and Technology Studies, board member
2018.4- Science Council of Japan (SCJ) member
2005.4- Ministry of Education, Culture, Sports, Science and Technology, Cabinet Office, various deliberation committee members
Main research fields
Science and Techonology studies
only in English
Ikkatai Y.,Minamizaki A., Kano K., Inoue A.,McKay E., Yokoyama H.M.,(2020) "Gender-biased public perception of STEM fields, focusing on the influence of egalitarian attitudes toward gender roles", Journal of Sicence communication, Link
Ikkatai Y.,Inoue A., Kano K., Minamizaki A., McKay E., Yokoyama H.M.,(2019) ‘Parental egalitarian attitudes towards gender roles affect agreement on girls taking STEM fields at university in Japan’.International Journal of Science Education 41(16), 2254-2270 Link,English
Yokoyama H.M.,(2019) ‘Proposal for Group Voice: Going beyond the Limits of One voice and making information provided by scientists available to the public in emergency situations’.
Cambridge university press, 271 - 277 Link
Ikkatai Y., McKay E., Yokoyama H.M. (2018). ‘Science created by crowds: a case study of science crowdfunding in Japan’. JCOM 17 (03), A06.,Link
Nakayachi K., Yokoyama H.M., Oki S., (2015). ‘Public anxiety after the 2011 Tohoku earthquake: fluctuations in hazard perception after catastrophe’. Journal of
Risk Research, 18:2, 156-169,Link
Yokoyama H.M., Nakayachi K. ,(2014). ‘Public judgment on science expenditure in the national budget of Japan: An experimental approach to examining the effects of unpacking science’.
Public understanding of science 23(5), 610-626.,Link
Tateno S., Yokoyama H.M. ,(2013). ‘Public anxiety, trust, and the role of mediators in communicating risk of exposure to low dose radiation after
the Fukushima Daiichi Nuclear Plant explosion’.JCOM 12(02) A03. ,Link
Physics papers, 2000-2006
Measurement of Neutrino Oscillation by the K2K Experiment K2K Collaboration (M.H. Ahn (Seoul Natl. U.) et al.). Jun 2006. 40 pp. Published in Phys.Rev. D74 (2006) 072003
Evidence for muon neutrino oscillation in an accelerator-based experiment K2K Collaboration (E. Aliu (Barcelona, IFAE) et al.). Nov 2004. 5 pp.
Published in Phys.Rev.Lett. 94 (2005) 081802
Search for electron neutrino appearance in a 250 km long baseline experiment K2K Collaboration (M.H. Ahn et al.). Feb 2004. 5 pp. Published in Phys.Rev.Lett. 93 (2004) 051801
The K2K experiment results in 2002 K2K Collaboration (H. Yokoyama (Tokyo U. of Sci.) for the collaboration). Feb 2003. 8 pp. Prepared for Conference: C03-02-25.1, p.235-242 Proceedings
Indications of neutrino oscillation in a 250 km long baseline experiment K2K Collaboration (M.H. Ahn et al.). Dec 2002. 5 pp. Published in Phys.Rev.Lett. 90 (2003) 041801
Tracking performance of the scintillating fiber detector in the K2K experiment K2K Collaboration (B.J. Kim (Seoul Natl. U.) et al.). Jun 2002. 24 pp.
Published in Nucl.Instrum.Meth. A497 (2003) 450-466
Detection of accelerator produced neutrinos at a distance of 250-km K2K Collaboration (S.H. Ahn et al.). Feb 2001. 6 pp. Published in Phys.Lett. B511 (2001) 178-184
Design, construction, and operation of SciFi tracking detector for K2K experiment K2K Collaboration (A. Suzuki (Kobe U.) et al.). Apr 2000. 22 pp.
Published in Nucl.Instrum.Meth. A453 (2000) 165-176