18.1k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of ChicagoUS3.7k papers
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- Institute for High Energy PhysicsES2.6k papers
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- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.4k papers
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19 papers · 2 filters
Measurement of magnetic permeability of steel laminations of Booster gradient magnets
Yury Tokpanov, Valeri Lebedev, William Pellico
New experiments at Fermilab require higher beam intensities at Booster, resulting in higher influence of magnet steel on the beam. In order to carefully take these effects into acc…
Status of the LBNE Neutrino Beamline
Vaia Papadimitriou
The Long Baseline Neutrino Experiment (LBNE) will utilize a neutrino beamline facility located at Fermilab to carry out a compelling research program in neutrino physics. The facil…
New methods of particle collimation in colliders
Giulio Stancari
The collimation system is an essential part of the design of any high-power accelerator. Its functions include protection of components from accidental and intentional energy depos…
Diffusion model for the time evolution of particle loss rates in collimator scans: a method for measuring stochastic transverse beam dynamics in circular accelerators
Giulio Stancari
A diffusion model of the time evolution of loss rates caused by a step in collimator position is presented. It builds upon the model of Seidel (1994) and its assumptions: (1) const…
Diffusion dynamics in a Tevatron store
Tanaji Sen
A separator failure during a store in 2002 led to a drop in luminosity, to increased emittance growth and to a drop in beam lifetimes. We show that a simple diffusion model can be…
Accelerator Science and Technology Breakthroughs, Achievements and Lessons from the Tevatron*
Vladimir Shiltsev
For almost a quarter of a century, the Tevatron proton-antiproton collider was the centerpiece of the world's high energy physics program - beginning operation in December of 1985…
Generation and Characterization of Electron Bunches with Ramped Current Profiles in a Dual-Frequency Superconducting Linear Accelerator
P. Piot, C. Behrens, C. Gerth +5
We report on the successful experimental generation of electron bunches with ramped current profiles. The technique relies on impressing nonlinear correlations in the longitudinal…
Longitudinal dynamics and tomography in the Tevatron
J. Stogin, T. Sen, R. S. Moore
Motivated by the desire to understand the longitudinal effects of beam-beam forces, we study the longitudinal dynamics of protons and anti-protons at injection and top energy in th…
Status of NbSn accelerator magnet R&D at Fermilab
A. V. Zlobin
New accelerator magnet technology based on Nb3Sn superconductor is being developed at Fermilab since late 90's. Six short dipole models, seven short quadrupole models and numerous…
Using tevatron magnets for HE-LHC or new ring in LHC tunnel
Henryk Piekarz
Two injector accelerator options for HE-LHC of p+ - p+ collisions at 33 TeV cms energy are briefly outlined. One option is based on the Super-SPS (S-SPS) [1] accelerator in the SPS…
Synchrotron radiation damping, intrabeam scattering and beam-beam simulations for HE-LHC
A. Valishev
The proposed High-Energy LHC project presents an unusual combination of strong synchrotron radiation (SR) damping and intrabeam scattering (IBS), which is not seen in present-day h…
Microwave Schottky diagnostic systems for the Fermilab Tevatron, Recycler, and CERN LHC
Ralph J. Pasquinelli, Andreas Jansson
A means for non-invasive measurement of transverse and longitudinal characteristics of bunched beams in synchrotrons has been developed based on high sensitivity slotted waveguide…
Overview of the Tevatron Collider Complex: Goals, Operations and Performance
Stephen Holmes, Ronald S. Moore, Vladimir Shiltsev
For more than two decades the Tevatron proton-antiproton collider was the centerpiece of the world's high energy physics program. The collider was arguably one of the most complex…
Comment on "Particle acceleration by stimulated emission of radiation near a solid-state active medium"
Sergei Nagaitsev
In this Comment I suggest that the authors' proposition to have observed particle acceleration by stimulated emission of radiation (PASER) near a solid-state active medium is incor…
Collimation with hollow electron beams
G. Stancari, A. Valishev, G. Annala +4
A novel concept of controlled halo removal for intense high-energy beams in storage rings and colliders is presented. It is based on the interaction of the circulating beam with a…
Observation of Coherently-Enhanced Tunable Narrow-Band Terahertz Transition Radiation from a Relativistic Sub-Picosecond Electron Bunch Train
P. Piot, Y. -E Sun, T. J. Maxwell +4
We experimentally demonstrate the production of narrow-band (% at THz) THz transition radiation with tunable frequency over [0.37, 0.86] THz. The radia…
Bunch-by-bunch measurement of transverse coherent beam-beam modes in the Fermilab Tevatron collider
Giulio Stancari, Alexander Valishev
A system for bunch-by-bunch detection of transverse proton and antiproton coherent oscillations in the Tevatron is described. It is based on the signal from a single beam-position…
First observation of the exchange of transverse and longitudinal emittances
J. Ruan, A. S. Johnson, A. H. Lumpkin +5
An experimental program to demonstrate a novel phase space manipulation in which the horizontal and longitudinal emittances of a particle beam are exchanged has been completed at t…
Beam-beam simulation code BBSIM for particle accelerators
Hyung J. Kim, Tanaji Sen
A highly efficient, fully parallelized, six-dimensional tracking model for simulating interactions of colliding hadron beams in high energy ring colliders and simulating schemes fo…