Developing an emission model of photoelectrons and Auger electrons from the sunlit lunar surface and its application to evaluation of the lunar electrostatic environment

Masahisa Kato1, Yuki Harada1, Shaosui Xu2, Andrew R Poppe3, Jasper S Halekas4, Yohei Miyake5, Hideyuki Usui5, Masaki N. Nishino6 and Toru Matsumoto1, (1)Kyoto University, Kyoto, Japan, (2)Space Sciences Laboratory, University of California Berkeley, Berkeley, United States, (3)Space Sciences Laboratory, University of California at Berkeley, Berkeley, CA, United States, (4)University of Iowa, Department of Physics and Astronomy, Iowa City, IA, United States, (5)Kobe University, Kobe, Japan, (6)The University of Tokyo, Tokyo, Japan