Cathode ion bombardment in rf photoguns

E. Pozdeyev; D. Kayran; V. N. Litvinenko

doi:10.1103/PhysRevSTAB.12.043501

Cathode ion bombardment in rf photoguns

E. Pozdeyev
, D. Kayran
, V. N. Litvinenko

Physics and Astronomy

Brookhaven National Laboratory

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

We use the ponderomotive potential of the rf field to accurately describe the motion of ions in an rf gun. We apply the method to the BNL 1/2-cell superconducting radio-frequency photogun and demonstrate that a significant portion of ions produced in the gun can reach the cathode if no special precautions are taken. Also, we propose simple mitigation techniques that can reduce the rate of ion bombardment.

Original language	English
Article number	043501
Journal	Physical Review Special Topics - Accelerators and Beams
Volume	12
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevSTAB.12.043501
State	Published - Apr 2 2009

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10.1103/PhysRevSTAB.12.043501

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title = "Cathode ion bombardment in rf photoguns",

abstract = "We use the ponderomotive potential of the rf field to accurately describe the motion of ions in an rf gun. We apply the method to the BNL 1/2-cell superconducting radio-frequency photogun and demonstrate that a significant portion of ions produced in the gun can reach the cathode if no special precautions are taken. Also, we propose simple mitigation techniques that can reduce the rate of ion bombardment.",

author = "E. Pozdeyev and D. Kayran and Litvinenko, \{V. N.\}",

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AU - Pozdeyev, E.

AU - Kayran, D.

AU - Litvinenko, V. N.

PY - 2009/4/2

Y1 - 2009/4/2

N2 - We use the ponderomotive potential of the rf field to accurately describe the motion of ions in an rf gun. We apply the method to the BNL 1/2-cell superconducting radio-frequency photogun and demonstrate that a significant portion of ions produced in the gun can reach the cathode if no special precautions are taken. Also, we propose simple mitigation techniques that can reduce the rate of ion bombardment.

AB - We use the ponderomotive potential of the rf field to accurately describe the motion of ions in an rf gun. We apply the method to the BNL 1/2-cell superconducting radio-frequency photogun and demonstrate that a significant portion of ions produced in the gun can reach the cathode if no special precautions are taken. Also, we propose simple mitigation techniques that can reduce the rate of ion bombardment.

UR - https://www.scopus.com/pages/publications/65549157585

U2 - 10.1103/PhysRevSTAB.12.043501

DO - 10.1103/PhysRevSTAB.12.043501

M3 - Article

AN - SCOPUS:65549157585

SN - 1098-4402

VL - 12

JO - Physical Review Special Topics - Accelerators and Beams

JF - Physical Review Special Topics - Accelerators and Beams

IS - 4

M1 - 043501

ER -

Cathode ion bombardment in rf photoguns

Abstract

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