Impedances and Wakes in High Energy Particle Accelerators

Zotter, B.; Kheifets, S.

doi:10.1142/3068

Cited by 197 publications

(246 citation statements)

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“…Using the Green's function GðsÞ consisting only of a fundamental harmonic (a multimode case will be considered later) GðsÞ ¼ 2κ ∥ cos ðksÞθðsÞ, where κ ∥ is the loss factor of a point particle per unit length, k ¼ 2π=λ is the wave vector, λ is the wavelength, and θ is the Heaviside theta-function, we write for the longitudinal field inside of the electron bunch [14,15] …”

Section: Transformer Ratiomentioning

confidence: 99%

Upper limit for the accelerating gradient in the collinear wakefield accelerator as a function of the transformer ratio

Baturin

Zholents

2017

Phys. Rev. Accel. Beams

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The interrelation between the accelerating gradient and the transformer ratio in the collinear wakefield accelerator has been analyzed. It has been shown that the high transformer ratio and the high efficiency of the energy transfer from the drive bunch to the witness bunch can only be achieved at the expense of the accelerating gradient. Rigorous proof is given that in best cases of meticulously shaped charge density distributions in the drive bunch, the maximum accelerating gradient falls proportionally to the gain in the transformer ratio. Conclusions are verified using several representative examples.

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Section: Transformer Ratiomentioning

confidence: 99%

Upper limit for the accelerating gradient in the collinear wakefield accelerator as a function of the transformer ratio

Baturin

Zholents

2017

Phys. Rev. Accel. Beams

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“…The transverse tilt of the beam can be generated with different methods, all relying on standard components of XFEL facilities: applying a transverse deflecting RF structure to streak the beam (Loew & Altenmueller, 1965), introducing dispersion to an energy chirped beam (Prat & Aiba, 2014), or using the transverse wakefields (Zotter & Kheifets, 1998) of the accelerating or any other structures of the beamline. The beam tilt can be easily tuned if it is generated with a transverse deflector by simply varying the deflector voltage.…”

Section: Generation Of the Transverse Tiltmentioning

confidence: 99%

Generation of ultra-large-bandwidth X-ray free-electron-laser pulses with a transverse-gradient undulator

Prat

Calvi

Reiche

2016

J Synchrotron Radiat

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A new and simple method to generate X-ray free-electron-laser radiation with unprecedented spectral bandwidth above the 10% level is presented. The broad bandwidth is achieved by sending a transversely tilted beam through a transverse-gradient undulator. The extent of the bandwidth can easily be controlled by variation of the beam tilt or the undulator gradient. Numerical simulations confirm the validity and feasibility of this method.

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“…Since the bunch travels ~100 meters during the ~30 ns of the signal this is certainly the well understood phenomena of rf resonance inside a complicated structure [3]. Having discussed the signal shape, we turn to the amplitude.…”

Section: Emi Measured In the Tunnelmentioning

confidence: 99%

Disruption of particle detector electronics by beam generated EMI

Bower

Sugimoto

Sinev

et al. 2007

2007 IEEE Particle Accelerator Conference (PAC)

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The possibility that radio frequency beam generated electromagnetic interference (EMI) could disrupt the operation of particle detector electronics has been of some concern since the inception of short pulse electron colliders more than 30 years ago [1]. Some instances have been reported where this may have occurred but convincing evidence has not been available. This possibility is of concern for the International Linear Collider (ILC). We have conducted test beam studies demonstrating that electronics disruption does occur using the vertex detector electronics (VXD) from the SLD detector which took data at the SLC at SLAC. We present the results of those tests, and we describe the need for EMI standards for beam and detector instrumentation in the IR region at the ILC.

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Impedances and Wakes in High Energy Particle Accelerators

Cited by 197 publications

References 0 publications

Upper limit for the accelerating gradient in the collinear wakefield accelerator as a function of the transformer ratio

Upper limit for the accelerating gradient in the collinear wakefield accelerator as a function of the transformer ratio

Generation of ultra-large-bandwidth X-ray free-electron-laser pulses with a transverse-gradient undulator

Disruption of particle detector electronics by beam generated EMI

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