8 citations · 40 across the 18 of their papers we have counts for
20 papers · 1 filter
Measurements of a 2.1 MeV H beam with an Allison scanner
C. Richard, J. -P. Carneiro, B. Hanna +4
Transverse 2D phase space distribution of a 2.1 MeV, 5 mA H beam is measured at the PIPIT test accelerator at Fermilab with an Allison scanner. The paper describes the design,…
Finding beam loss locations in a linac with oscillating dipole correctors
Alexander Shemyakin
The paper proposes a method of finding the beam loss locations in a linac. If the beam is scraped at an aperture limitation, moving its centroid with two dipole correctors located…
Effect of image charges on differential trajectories measurements
Alexander Shemyakin
Effect of image charges on reconstruction of focusing elements calibration with differential trajectory method is estimated and found negligible for measurements at the PIP2IT MEBT…
Experimental Study of Beam Dynamics In The PIP-II MEBT Prototype
A. Shemyakin, J. -P. Carneiro, B. Hanna +6
The Proton Improvement Plan, Stage Two (PIP-II) is a program of upgrades proposed for the Fermilab injection complex, which central part is an 800 MeV, 2 mA CW SRF linac. A prototy…
Low Emittance Growth in a LEBT with Un-Neutralized Section
L. Prost, J. -P. Carneiro, A. Shemyakin
In a Low Energy Beam Transport line (LEBT), the emittance growth due to the beam's space charge is typically suppressed by way of neutralization from either electrons or ions, whic…
Status of the warm front end of PIP-II injector test
A. Shemyakin, M. Alvarez, R. Andrews +15
The Proton Improvement Plan II (PIP-II) at Fermilab is a program of upgrades to the injection complex. At its core is the design and construction of a CW compatible, pulsed H- SRF…
PIP-II Injector Test's Low Energy Beam Transport: Commissioning and Selected Measurements
A. Shemyakin, M. Alvarez, R. Andrews +7
The PIP2IT test accelerator is under construction at Fermilab. Its ion source and Low Energy Beam Transport (LEBT) in its initial (straight) configuration have been commissioned to…
Low Emittance Growth In a LEBT With Un-Neutralized Section
L. Prost, J. -P. Carneiro, A. Shemyakin
In a Low Energy Beam Transport line (LEBT), the emittance growth due to the beam's own space charge is typically suppressed by way of neutralization from either electrons or ions,…
Estimation of dilution of a Fast Faraday Cup response due to the finite particles speed
A. Shemyakin
Deviation of the Fast Faraday Cup signal from the longitudinal shape of the measured bunch is estimated, and a simple formula for the increase of the signal rms width is suggested.
Pxie low energy beam transport commissioning
L. Prost, M. Alvarez, R. Andrews +6
The Proton Improvement Plan II (PIP-II) at Fermilab is a program of upgrades to the injection complex. At its core is the design and construction of a CW-compatible, pulsed H- supe…
Calculation of the effect of slit size on emittance measurements made by a two-slit scanner
Richard D'Arcy, Alexander Shemyakin
Parallel slit-slit devices are commonly used to measure the transverse emittance of a particle beam, selecting a portion of the beam with the front slit and measuring the angular d…
High power density test of PXIE MEBT absorber prototype
A. Shemyakin, C. Baffes
One of the goals of the PXIE program at Fermilab is to demonstrate the capability to form an arbitrary bunch pattern from an initially CW 162.5 MHz H- bunch train coming out of an…
Testing Results of the Prototype Beam Absorber for the PXIE MEBT
Curtis Baffes, Alexander Shemyakin
One of the goals of the PXIE program at Fermilab is to demonstrate the capability to form an arbitrary bunch pattern from an initially CW 162.5 MHz H^{-} bunch train coming out of…
The Project-x Injector Experiment: A Novel High Performance Front-end For A Future High Power Proton Facility At Fermilab
S. Nagaitsev, S. Holmes, D. Johnson +13
A multi-MW proton facility, Project X, has been proposed and is currently under development at Fermilab. We are carrying out a program of research and development aimed at integrat…
PXIE Optics and Layout
V. A. Lebedev, S. Nagaitsev, J. -F. Ostiguy +3
The Project X Injector Experiment (PXIE) will serve as a prototype for the Project X front end. The aim is to validate the Project-X design and to decrease technical risks, known t…
PXIE: Project X Injector Experiment
P. N. Ostroumov, S. D. Holmes, R. D. Kephart +8
A multi-MW proton facility, Project X has been proposed and is currently under development at Fermilab. As part of this development program, we are constructing a prototype of the…
Fermilab PXIE Beam Diagnostics Development and Testing at the HINS Beam Facility
V. A. Lebedev, A. V. Shemyakin, J. Steimel +4
Fermilab is planning the construction of a prototype front end of the Project X linac. The Project X Injector Experiment (PXIE) is expected to accelerate 1 mA cw H- beam up to 30 M…
Progress with PXIE MEBT Chopper
V. Lebedev, A. Chen, R Pasquinelli +6
A capability to provide a large variety of bunch patterns is crucial for the concept of the Project X serving MW-range beam to several experiments simultaneously. This capability w…
Effect of transverse electron velocities on the longitudinal cooling force in the Fermilab electron cooler
Andrei Khilkevich, Lionel R. Prost, Alexander V. Shemyakin
In Fermilab's electron cooler, a 0.1A, 4.3MeV DC electron beam propagates through the 20 m cooling section, which is immersed in a weak longitudinal magnetic field. A proper adjust…
Effect of secondary ions on the electron beam optics in the Recycler Electron Cooler
A. Shemyakin, L. Prost, G. Saewert
Antiprotons in Fermilab's Recycler ring are cooled by a 4.3 MeV, 0.1 - 0.5 A DC electron beam (as well as by a stochastic cooling system). The unique combination of the relativisti…