ERL2015 - List of Authors (Litvinenko, V.)

Paper

Title

Page

Status and Commissioning Results of the R&D ERL at BNL

10

D. Kayran, Z. Altinbas, D.R. Beavis, S.A. Belomestnykh, I. Ben-Zvi, S. Deonarine, D.M. Gassner, R.C. Gupta, H. Hahn, L.R. Hammons, C. Ho, J.P. Jamilkowski, P. K. Kankiya, N. Laloudakis, R.F. Lambiase, V. Litvinenko, G.J. Mahler, L. Masi, G.T. McIntyre, T.A. Miller, J. Morris, D. Phillips, V. Ptitsyn, T. Rao, T. Seda, B. Sheehy, L. Smart, K.S. Smith, T. Srinivasan-Rao, A.N. Steszyn, R. Than, E. Wang, D. Weiss, H. Xie, W. Xu, A. Zaltsman
BNL, Upton, Long Island, New York, USA
S.A. Belomestnykh, I. Ben-Zvi, L.R. Hammons, D. Kayran, V. Litvinenko, V. Ptitsyn
Stony Brook University, Stony Brook, USA

Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy
An ampere class 20 MeV superconducting Energy Recovery Linac (ERL) is presently under commissioning at Brookhaven National Laboratory (BNL) for testing of concepts relevant for high-energy coherent electron cooling and electron-ion colliders. The injector subsystems tests and installation were finished in fall 2013. The injector includes: SRF photoelectron gun with 1 MW amplifier, 10W green drive-laser system, multi-alkaline cathode deposition system, cathode transport system, beam instrumentation and control. * The first photo current from ERL SRF gun has been observed in fall 2014 after second attempt. Completion of the ERL returning loop components installation is scheduled for April 2015 following full power ERL commissioning. After ERL commissioning in BLDG912 the ERL will be relocated to RHIC IP2 to be used as low energy RHIC electron cooler.
* D.Kayran et al., First test results from SRF photoinjector for the R&D ERL at BNL, IPAC'14, pp. 748-750

Slides MOPDTH014 [13.777 MB]

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TUPATH023

WG5 Applications

V. Litvinenko
BNL, Upton, Long Island, New York, USA
O.S. Brüning
CERN, Geneva, Switzerland

Place holder for possible Plenary Paper upload…

Slides TUPATH023 [0.096 MB]

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TUIBLH2024

eRHIC: An Efficient Multi-Pass ERL Based on FFAG Return Arcs

S.J. Brooks, J.S. Berg, Y. Hao, V. Litvinenko, C. Liu, F. Méot, M.G. Minty, V. Ptitsyn, T. Roser, P. Thieberger, D. Trbojevic, N. Tsoupas
BNL, Upton, Long Island, New York, USA

The proposed eRHIC electron-hadron collider uses a "non-scaling FFAG" lattice to recirculate 16 turns of different energy through just two beamlines located in the RHIC tunnel. This paper presents lattices for these two FFAGs that are optimised for low magnet field and to minimise total synchrotron radiation across the energy range. The higher number of recirculations in the FFAG allows a shorter linac (1.322GeV) to be used, drastically reducing cost, while still achieving a 21.2GeV maximum energy to collide with one of the existing RHIC hadron rings at up to 250GeV. eRHIC uses many cost-saving measures in addition to the FFAG: the linac operates in energy recovery mode, so the beams also decelerate via the same FFAG loops and energy is recovered from the interacted beam. All magnets will constructed from NdFeB permanent magnet material, meaning chillers and large magnet power supplies are not needed. This paper also describes a smaller prototype ERL-FFAG accelerator that will test all of these technologies in combination to reduce technical risk for eRHIC.

Slides TUIBLH2024 [1.907 MB]

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TUIBLH2025

Correction Methods for Multi-Pass eRHIC Lattice With Large Chromaticity

C. Liu, Y. Hao, V. Litvinenko, M.G. Minty, V. Ptitsyn, D. Trbojevic
BNL, Upton, Long Island, New York, USA

Funding: The work was performed under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy.
The linear non-scaling Fixed Field Alternating Gradient (FFAG) design for eRHIC presents challenges as well as advantages. In this report, the challenge on orbit and optics corrections for eRHIC will be discussed and the solutions will be presented as well.

Slides TUIBLH2025 [2.222 MB]

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TUIDLH2041

Aspects of eRHIC Longitudinal Dynamics

Y. Hao, V. Litvinenko, V. Ptitsyn
BNL, Upton, Long Island, New York, USA

Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy.
eRHIC adopts FFAG multi-pass ERL as its electron accelerator to provide up to 21.2 GeV electron beam. It takes 12 passes to reach 15.9 GeV and 16 passes to reach 21.2 GeV. The longitudinal dynamics of eRHIC ERL is essential to ensure the energy recovery efficiency and prevention of beam loss. We will present the results of the start to end simulation study for eRHIC ERL, to address this issue.

Slides TUIDLH2041 [3.139 MB]

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WEIALH1044

An Lepton Energy-recovery-linac Scalable to TeV

V. Litvinenko
Stony Brook University, Stony Brook, USA

I present a conceptual design of Linear Energy Recovery Linac operating electron or positrons beams with energies scalable to TeV. Normally energy recovery is associated with bending the lepton beam, which results in prohibitively large energy loss for synchrotron radiation. In my scheme these losses are circumvented.

Slides WEIALH1044 [0.843 MB]

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THPDTH079

Summary of WG5 on ERL Applications - ERL 2015

121

V. Litvinenko
Stony Brook University, Stony Brook, USA
O.S. Brüning
CERN, Geneva, Switzerland

Place holder for possible Plenary Paper upload…

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Paper	Title	Page
MOPDTH014	Status and Commissioning Results of the R&D ERL at BNL	10
	D. Kayran, Z. Altinbas, D.R. Beavis, S.A. Belomestnykh, I. Ben-Zvi, S. Deonarine, D.M. Gassner, R.C. Gupta, H. Hahn, L.R. Hammons, C. Ho, J.P. Jamilkowski, P. K. Kankiya, N. Laloudakis, R.F. Lambiase, V. Litvinenko, G.J. Mahler, L. Masi, G.T. McIntyre, T.A. Miller, J. Morris, D. Phillips, V. Ptitsyn, T. Rao, T. Seda, B. Sheehy, L. Smart, K.S. Smith, T. Srinivasan-Rao, A.N. Steszyn, R. Than, E. Wang, D. Weiss, H. Xie, W. Xu, A. Zaltsman BNL, Upton, Long Island, New York, USA S.A. Belomestnykh, I. Ben-Zvi, L.R. Hammons, D. Kayran, V. Litvinenko, V. Ptitsyn Stony Brook University, Stony Brook, USA
	Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy An ampere class 20 MeV superconducting Energy Recovery Linac (ERL) is presently under commissioning at Brookhaven National Laboratory (BNL) for testing of concepts relevant for high-energy coherent electron cooling and electron-ion colliders. The injector subsystems tests and installation were finished in fall 2013. The injector includes: SRF photoelectron gun with 1 MW amplifier, 10W green drive-laser system, multi-alkaline cathode deposition system, cathode transport system, beam instrumentation and control. * The first photo current from ERL SRF gun has been observed in fall 2014 after second attempt. Completion of the ERL returning loop components installation is scheduled for April 2015 following full power ERL commissioning. After ERL commissioning in BLDG912 the ERL will be relocated to RHIC IP2 to be used as low energy RHIC electron cooler. * D.Kayran et al., First test results from SRF photoinjector for the R&D ERL at BNL, IPAC'14, pp. 748-750
	Slides MOPDTH014 [13.777 MB]
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TUPATH023	WG5 Applications
	V. Litvinenko BNL, Upton, Long Island, New York, USA O.S. Brüning CERN, Geneva, Switzerland
	Place holder for possible Plenary Paper upload…
	Slides TUPATH023 [0.096 MB]
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TUIBLH2024	eRHIC: An Efficient Multi-Pass ERL Based on FFAG Return Arcs
	S.J. Brooks, J.S. Berg, Y. Hao, V. Litvinenko, C. Liu, F. Méot, M.G. Minty, V. Ptitsyn, T. Roser, P. Thieberger, D. Trbojevic, N. Tsoupas BNL, Upton, Long Island, New York, USA
	The proposed eRHIC electron-hadron collider uses a "non-scaling FFAG" lattice to recirculate 16 turns of different energy through just two beamlines located in the RHIC tunnel. This paper presents lattices for these two FFAGs that are optimised for low magnet field and to minimise total synchrotron radiation across the energy range. The higher number of recirculations in the FFAG allows a shorter linac (1.322GeV) to be used, drastically reducing cost, while still achieving a 21.2GeV maximum energy to collide with one of the existing RHIC hadron rings at up to 250GeV. eRHIC uses many cost-saving measures in addition to the FFAG: the linac operates in energy recovery mode, so the beams also decelerate via the same FFAG loops and energy is recovered from the interacted beam. All magnets will constructed from NdFeB permanent magnet material, meaning chillers and large magnet power supplies are not needed. This paper also describes a smaller prototype ERL-FFAG accelerator that will test all of these technologies in combination to reduce technical risk for eRHIC.
	Slides TUIBLH2024 [1.907 MB]
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TUIBLH2025	Correction Methods for Multi-Pass eRHIC Lattice With Large Chromaticity
	C. Liu, Y. Hao, V. Litvinenko, M.G. Minty, V. Ptitsyn, D. Trbojevic BNL, Upton, Long Island, New York, USA
	Funding: The work was performed under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. The linear non-scaling Fixed Field Alternating Gradient (FFAG) design for eRHIC presents challenges as well as advantages. In this report, the challenge on orbit and optics corrections for eRHIC will be discussed and the solutions will be presented as well.
	Slides TUIBLH2025 [2.222 MB]
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TUIDLH2041	Aspects of eRHIC Longitudinal Dynamics
	Y. Hao, V. Litvinenko, V. Ptitsyn BNL, Upton, Long Island, New York, USA
	Funding: Work supported by Brookhaven Science Associates, LLC under Contract No. DE-AC02-98CH10886 with the U.S. Department of Energy. eRHIC adopts FFAG multi-pass ERL as its electron accelerator to provide up to 21.2 GeV electron beam. It takes 12 passes to reach 15.9 GeV and 16 passes to reach 21.2 GeV. The longitudinal dynamics of eRHIC ERL is essential to ensure the energy recovery efficiency and prevention of beam loss. We will present the results of the start to end simulation study for eRHIC ERL, to address this issue.
	Slides TUIDLH2041 [3.139 MB]
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WEIALH1044	An Lepton Energy-recovery-linac Scalable to TeV
	V. Litvinenko Stony Brook University, Stony Brook, USA
	I present a conceptual design of Linear Energy Recovery Linac operating electron or positrons beams with energies scalable to TeV. Normally energy recovery is associated with bending the lepton beam, which results in prohibitively large energy loss for synchrotron radiation. In my scheme these losses are circumvented.
	Slides WEIALH1044 [0.843 MB]
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THPDTH079	Summary of WG5 on ERL Applications - ERL 2015	121
	V. Litvinenko Stony Brook University, Stony Brook, USA O.S. Brüning CERN, Geneva, Switzerland
	Place holder for possible Plenary Paper upload…
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)