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Construction of self-consistent longitudinal matches in multipass energy recovery linacs

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Construction of self-consistent longitudinal matches in multipass energy recovery linacs. / Pérez Segurana, Gustavo; Bailey, Ian R.; Williams, Peter H.

In: Physical Review Accelerators and Beams, Vol. 25, No. 2, 021003, 22.02.2022.

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Pérez Segurana, Gustavo ; Bailey, Ian R. ; Williams, Peter H. / Construction of self-consistent longitudinal matches in multipass energy recovery linacs. In: Physical Review Accelerators and Beams. 2022 ; Vol. 25, No. 2.

Bibtex

@article{7ea685e66e7748c1830e4e56ba141359,
title = "Construction of self-consistent longitudinal matches in multipass energy recovery linacs",
abstract = "Any proposal for an accelerator facility based upon a multipass energy recovery linac (ERL) must possess a self-consistent match in longitudinal phase space, not just transverse phase space. We therefore present a semianalytic method to determine self-consistent longitudinal matches in any multipass ERL. We apply this method in collider scenarios (embodying an energy spread minimizing match) and FEL scenarios (embodying a compressive match), and discuss the consequences of each. As an example of the utility of the method, we prove that the choice of common or separate recirculation transport determines the feasibility of longitudinal matches in cases where disruption, such as synchrotron radiation loss, exists. We show that any high energy multipass ERL collider based upon common recirculation transport will require special care to produce a self-consistent longitudinal match, but that one based upon separate transport is readily available. Furthermore we show that any high energy multipass ERL FEL driver based upon common recirculation transport requires a larger resultant rf beam load than the one based on separate transport, favoring the separate transport designs.",
author = "{P{\'e}rez Segurana}, Gustavo and Bailey, {Ian R.} and Williams, {Peter H.}",
year = "2022",
month = feb,
day = "22",
doi = "10.1103/PhysRevAccelBeams.25.021003",
language = "English",
volume = "25",
journal = "Physical Review Accelerators and Beams",
issn = "2469-9888",
publisher = "American Physical Society",
number = "2",

}

RIS

TY - JOUR

T1 - Construction of self-consistent longitudinal matches in multipass energy recovery linacs

AU - Pérez Segurana, Gustavo

AU - Bailey, Ian R.

AU - Williams, Peter H.

PY - 2022/2/22

Y1 - 2022/2/22

N2 - Any proposal for an accelerator facility based upon a multipass energy recovery linac (ERL) must possess a self-consistent match in longitudinal phase space, not just transverse phase space. We therefore present a semianalytic method to determine self-consistent longitudinal matches in any multipass ERL. We apply this method in collider scenarios (embodying an energy spread minimizing match) and FEL scenarios (embodying a compressive match), and discuss the consequences of each. As an example of the utility of the method, we prove that the choice of common or separate recirculation transport determines the feasibility of longitudinal matches in cases where disruption, such as synchrotron radiation loss, exists. We show that any high energy multipass ERL collider based upon common recirculation transport will require special care to produce a self-consistent longitudinal match, but that one based upon separate transport is readily available. Furthermore we show that any high energy multipass ERL FEL driver based upon common recirculation transport requires a larger resultant rf beam load than the one based on separate transport, favoring the separate transport designs.

AB - Any proposal for an accelerator facility based upon a multipass energy recovery linac (ERL) must possess a self-consistent match in longitudinal phase space, not just transverse phase space. We therefore present a semianalytic method to determine self-consistent longitudinal matches in any multipass ERL. We apply this method in collider scenarios (embodying an energy spread minimizing match) and FEL scenarios (embodying a compressive match), and discuss the consequences of each. As an example of the utility of the method, we prove that the choice of common or separate recirculation transport determines the feasibility of longitudinal matches in cases where disruption, such as synchrotron radiation loss, exists. We show that any high energy multipass ERL collider based upon common recirculation transport will require special care to produce a self-consistent longitudinal match, but that one based upon separate transport is readily available. Furthermore we show that any high energy multipass ERL FEL driver based upon common recirculation transport requires a larger resultant rf beam load than the one based on separate transport, favoring the separate transport designs.

U2 - 10.1103/PhysRevAccelBeams.25.021003

DO - 10.1103/PhysRevAccelBeams.25.021003

M3 - Journal article

VL - 25

JO - Physical Review Accelerators and Beams

JF - Physical Review Accelerators and Beams

SN - 2469-9888

IS - 2

M1 - 021003

ER -