Intrinsic electron beam emittance from metal photocathodes: the effect of the electron effective mass

A theoretical development of prior analyses, together with our solenoid scan measurements on eight planar metal photocathodes (Ag, Be, Cr, Cu, Mo, Sn, Ta, and W) and previous data on Mg [X. J. Wang, M. Babzien, R. Malone, and Z. Wu, in Proceedings of LINAC2002, Gyeongju, Korea, 2002 (Pohang Accelera...

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Bibliographic Details
Published inPhysical review letters Vol. 111; no. 23; p. 237401
Main Authors Rickman, B L, Berger, Joel A, Nicholls, A W, Schroeder, W Andreas
Format Journal Article
LanguageEnglish
Published United States 06.12.2013
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Summary:A theoretical development of prior analyses, together with our solenoid scan measurements on eight planar metal photocathodes (Ag, Be, Cr, Cu, Mo, Sn, Ta, and W) and previous data on Mg [X. J. Wang, M. Babzien, R. Malone, and Z. Wu, in Proceedings of LINAC2002, Gyeongju, Korea, 2002 (Pohang Accelerator Laboratory, Pohang, Korea, 2002), pp. 142-144.] indicate that the transverse momentum (and hence intrinsic emittance) of an electron beam is fundamentally dependent on the electron effective mass in the metal.
ISSN:1079-7114
DOI:10.1103/PhysRevLett.111.237401