Simulation Study of Hollow Electron Beam Collimation for LHC

doi:https://doi.org/10.2172/1331791

Title: Simulation Study of Hollow Electron Beam Collimation for LHC

Full Record
Other Related Research

Abstract

In this note we describe the results of numerical simulations of hollow electron beam collimation for the nominal LHC machine. The halo cleaning rates for various operating scenarios are predicted. The impact of electron lens imperfections on the collider luminosity performance is estimated.

Authors:

Valishev, A. ^[1]

Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Publication Date:: 2014-05-02

Research Org.:: Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

OSTI Identifier:: 1331791

Report Number(s):: FERMILAB-TM-2584-APC
1324735; TRN: US1700510

DOE Contract Number:: AC02-07CH11359

Resource Type:: Technical Report

Country of Publication:: United States

Language:: English

Subject:: 43 PARTICLE ACCELERATORS; CERN LHC; ELECTRON BEAMS; COMPUTERIZED SIMULATION; BEAM LUMINOSITY; BEAM PROFILES; DEFECTS; ELECTROMAGNETIC LENSES; PERFORMANCE; COLLIMATORS

Citation Formats


                    Valishev, A. Simulation Study of Hollow Electron Beam Collimation for LHC.  United States: N. p., 2014. 
        Web.  doi:10.2172/1331791.

Copy to clipboard


                    Valishev, A. Simulation Study of Hollow Electron Beam Collimation for LHC.  United States.  https://doi.org/10.2172/1331791

Copy to clipboard


                    Valishev, A. Fri .  
        "Simulation Study of Hollow Electron Beam Collimation for LHC".  United States.  https://doi.org/10.2172/1331791.  https://www.osti.gov/servlets/purl/1331791.

Copy to clipboard


                    
@article{osti_1331791,

  title        = {Simulation Study of Hollow Electron Beam Collimation for LHC},

  author       = {Valishev, A.},

  abstractNote = {In this note we describe the results of numerical simulations of hollow electron beam collimation for the nominal LHC machine. The halo cleaning rates for various operating scenarios are predicted. The impact of electron lens imperfections on the collider luminosity performance is estimated.},

  doi          = {10.2172/1331791},

  url          = {https://www.osti.gov/biblio/1331791},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2014},

  month        = {5}

}

Copy to clipboard

Technical Report:

View Technical Report

https://doi.org/10.2172/1331791

Save / Share:

Export Metadata

Save to My Library

Similar records in OSTI.GOV collections:

Numerical simulations of a proposed hollow electron beam collimator for the LHC upgrade at CERN.

Technical Report Previtali, V. ; Stancari, G. ; Valishev, A. ; ...

In the last years the LHC collimation system has been performing over the expectations, providing the machine with a nearly perfect e cient cleaning system[1]. Nonetheless, when trying to push the existing accelerators to - and over - their design limits, all the accelerator components are required to boost their performances. In particular, in view of the high luminosity frontier for the LHC, the increased intensity would ask for a more e cient cleaning system. In this framework innovative collimation solutions are under evaluation[2]: one option is the usage of an hollow electron lens for beam halo cleaning. This workmore »« less
https://doi.org/10.2172/1128128

Full Text Available
Simulation study of Hollow Electron Beam Collimation in HL-LHC.

Technical Report Fitterer, M. ; Stancari, G. ; Valishev, A. ; ...

Collimation with hollow electron beams is currently one of the most promising concepts for active halo control in the HL-LHC. In this note we evaluate the performance of a hollow electron lens for different HL-LHC scenarios in terms of halo removal rates and the effect of profile imperfections of the electron beam on the proton beam core in case of a pulsed operation of the e-lens.
https://doi.org/10.2172/1408322

Full Text Available
Hollow electron-lens assisted collimation and plans for the LHC

Conference Mirarchi, D. ; Garcia Morales, H. ; Mereghetti, A. ; ...

The hollow electron lens (e-lens) is a very powerful and advanced tool for active control of diffusion speed of halo particles in hadron colliders. Thus, it can be used for a controlled depletion of beam tails and enhanced beam halo collimation. This is of particular interest in view of the upgrade of the Large Hadron Collider (LHC) at CERN, in the framework of the High-Luminosity LHC project (HL-LHC). The estimated stored energy in the tails of the HL-LHC beams is about 30 MJ, posing serious constraints on its control and safe disposal. In particular, orbit jitter can cause significant lossmore »« less
Full Text Available
Experimental and Numerical Studies on the Proposed Application of Hollow Electron Beam Collimation for the LHC at CERN

Technical Report Moens, Vince

This thesis work was carried out in the framework of the U.S. LHC Accelerator Research Program (USLARP), a collaboration between the European Organization for Nuclear Research (CERN) and the U.S. Department of Energy. The first half of the work was completed at Fermilab (USA), the location of the Tevatron, a proton-antiproton collider and the second largest particle collider in the world. The second half was completed at CERN (Switzerland), the location of the largest proton collider in the world (Large Hadron Collider (LHC)). This thesis characterizes a Hollow Electron Beam (HEB) for possible usage at the LHC to enhance itsmore »« less
https://doi.org/10.2172/1128148

Full Text Available
Effect of pulsed hollow electron-lens operation on the proton beam core in LHC

Technical Report Fitterer, Miriam ; Stancari, Giulio ; Valishev, Alexander

Collimation with hollow electron beams is currently one of the most promising concepts for active halo control in the HL-LHC. In order to further increase the diffusion rates for a fast halo removal as e.g. desired before the squeeze, the electron lens (e-lens) can be operated in pulsed mode. In case of profile imperfections in the electron beam the pulsing of the e-lens induces noise on the proton beam which can, depending on the frequency content and strength, lead to emittance growth. In order to study the sensitivity to the pulsing pattern and the amplitude, a beam study (machine developmentmore »« less
https://doi.org/10.2172/1408326

Full Text Available

Similar Records