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High charge low emittance rf gun for superkekb

Takuya Natsui, Y. Ogawa, M. Yoshida, Xiangyu Zhou

Open publisher page 5 citations

Abstract

We are developing a new RF gun for SuperKEKB. We are upgrading KEKB to SuperKEKB now. High charge low emittance electron and positron beams are required for SuperKEKB. We will generate 7.0 GeV electron beam at 5 nC 20 mm-mrad by J-linac. In this linac, a photo cathode S-band RF gun will be used as the electron beam source. For this reason, we are developing an advanced RF gun. Now, we are testing a Disk and Washer (DAW) type RF gun. Its photo cathode material is LaB6 or Ir5Ce. Normally, LaB6 or Ir5Ce are used as a thermionic cathode,

About this research paper

What this paper is about

We are developing a new RF gun for SuperKEKB. We are upgrading KEKB to SuperKEKB now. High charge low emittance electron and positron beams are required for SuperKEKB. We will generate 7.0 GeV electron beam at 5 nC 20 mm-mrad by J-linac. In this linac, a photo cathode S-band RF gun will be used as the electron beam source. For this reason, we are developing an advanced RF gun. Now, we are testing a Disk and Washer (DAW) type RF gun. Its photo cathode material is LaB6 or Ir5Ce. Normally, LaB6 or Ir5Ce are used as a thermionic cathode,

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Available abstract

We are developing a new RF gun for SuperKEKB. We are upgrading KEKB to SuperKEKB now. High charge low emittance electron and positron beams are required for SuperKEKB. We will generate 7.0 GeV electron beam at 5 nC 20 mm-mrad by J-linac. In this linac, a photo cathode S-band RF gun will be used as the electron beam source. For this reason, we are developing an advanced RF gun. Now, we are testing a Disk and Washer (DAW) type RF gun. Its photo cathode material is LaB6 or Ir5Ce. Normally, LaB6 or Ir5Ce are used as a thermionic cathode,

Key concepts: Electron gun, Thermal emittance, Linear particle accelerator, KEKB, Physics, Beam (structure), Cathode, Particle accelerator

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