First Beam Spectra of SC Third Harmonic Cavity at FLASH

P. Zhang; N. Baboi; T. Flisgen; H.W. Glock; R.M. Jones; B. Lorbeer; U van Rienen; I.R.R. Shinton

First Beam Spectra of SC Third Harmonic Cavity at FLASH

P. Zhang, N. Baboi, T. Flisgen, H.W. Glock, R.M. Jones, B. Lorbeer, U van Rienen, I.R.R. Shinton

The University of Manchester

Research output: Chapter in Book/Conference proceeding › Conference contribution

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Abstract

Third harmonic superconducting cavities have been designed and fabricated by FNAL to minimise the energy spread along bunches in the FLASH facility at DESY. A module, consisting of four nine-cell 3.9 GHz cavities, has been installed in FLASH. The first measurement with beam excitation is presented, and the comparisons to transmission measurement without beam and simulations are made. Higher order modes (HOMs) are able to propagate to adjacent cavities through attached beam tubes. Modes from 1.3 GHz cavities in the module nearby also propagate into this module.

Original language	English
Title of host publication	Proceedings of Linear Accelerator Conference LINAC2010
Publisher	JACoW
Pages	782-784
Number of pages	3
Publication status	Published - 2010
Event	XXV Linear Accelerator Conference (LINAC10) - Tsukuba, Japan Duration: 12 Sept 2010 → 17 Sept 2010

Conference

Conference	XXV Linear Accelerator Conference (LINAC10)
City	Tsukuba, Japan
Period	12/09/10 → 17/09/10

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title = "First Beam Spectra of SC Third Harmonic Cavity at FLASH",

abstract = "Third harmonic superconducting cavities have been designed and fabricated by FNAL to minimise the energy spread along bunches in the FLASH facility at DESY. A module, consisting of four nine-cell 3.9 GHz cavities, has been installed in FLASH. The first measurement with beam excitation is presented, and the comparisons to transmission measurement without beam and simulations are made. Higher order modes (HOMs) are able to propagate to adjacent cavities through attached beam tubes. Modes from 1.3 GHz cavities in the module nearby also propagate into this module.",

author = "P. Zhang and N. Baboi and T. Flisgen and H.W. Glock and R.M. Jones and B. Lorbeer and Rienen, {U van} and I.R.R. Shinton",

note = "Work supported in part by European Commission under the FP7 Research Infrastructures grant agreement No.227579.; XXV Linear Accelerator Conference (LINAC10) ; Conference date: 12-09-2010 Through 17-09-2010",

year = "2010",

language = "English",

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booktitle = "Proceedings of Linear Accelerator Conference LINAC2010",

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TY - GEN

T1 - First Beam Spectra of SC Third Harmonic Cavity at FLASH

AU - Zhang, P.

AU - Baboi, N.

AU - Flisgen, T.

AU - Glock, H.W.

AU - Jones, R.M.

AU - Lorbeer, B.

AU - Rienen, U van

AU - Shinton, I.R.R.

N1 - Work supported in part by European Commission under the FP7 Research Infrastructures grant agreement No.227579.

PY - 2010

Y1 - 2010

N2 - Third harmonic superconducting cavities have been designed and fabricated by FNAL to minimise the energy spread along bunches in the FLASH facility at DESY. A module, consisting of four nine-cell 3.9 GHz cavities, has been installed in FLASH. The first measurement with beam excitation is presented, and the comparisons to transmission measurement without beam and simulations are made. Higher order modes (HOMs) are able to propagate to adjacent cavities through attached beam tubes. Modes from 1.3 GHz cavities in the module nearby also propagate into this module.

AB - Third harmonic superconducting cavities have been designed and fabricated by FNAL to minimise the energy spread along bunches in the FLASH facility at DESY. A module, consisting of four nine-cell 3.9 GHz cavities, has been installed in FLASH. The first measurement with beam excitation is presented, and the comparisons to transmission measurement without beam and simulations are made. Higher order modes (HOMs) are able to propagate to adjacent cavities through attached beam tubes. Modes from 1.3 GHz cavities in the module nearby also propagate into this module.

M3 - Conference contribution

SP - 782

EP - 784

BT - Proceedings of Linear Accelerator Conference LINAC2010

PB - JACoW

T2 - XXV Linear Accelerator Conference (LINAC10)

Y2 - 12 September 2010 through 17 September 2010

ER -

First Beam Spectra of SC Third Harmonic Cavity at FLASH

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