BETACOOL program for simulation of beam dynamics in storage rings

Sidorin, A. O.; Мешков, И. Н.; Seleznev, I. A.; Smirnov, Alexander V.; Syresin, E. M.; Trubnikov, G. V.

doi:10.1016/j.nima.2005.11.041

Cited by 46 publications

(21 citation statements)

References 1 publication

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“…This is done by solving numerically a system of coupled ODEs, similar to Refs. [6,9,41]. In all cases treated here, we assume no coherent oscillations of the bunches so that the first-order moments vanish.…”

Section: Ode Simulationmentioning

confidence: 99%

Time evolution of the luminosity of colliding heavy-ion beams in BNL Relativistic Heavy Ion Collider and CERN Large Hadron Collider

Bruce

Jowett

Blaskiewicz

et al. 2010

Phys. Rev. ST Accel. Beams

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We have studied the time evolution of the heavy ion luminosity and bunch intensities in the Relativistic Heavy Ion Collider (RHIC), at BNL, and in the Large Hadron Collider (LHC), at CERN. First, we present measurements from a large number of RHIC stores (from Run 7), colliding 100 GeV/nucleon 197 Au 79+ beams without stochastic cooling. These are compared with two different calculation methods. The first is a simulation based on multi-particle tracking taking into account collisions, intrabeam scattering, radiation damping, and synchrotron and betatron motion. In the second, faster, method, a system of ordinary differential equations with terms describing the corresponding effects on emittances and bunch populations is solved numerically. Results of the tracking method agree very well with the RHIC data. With the faster method, significant discrepancies are found since the losses of particles diffusing out of the RF bucket due to intrabeam scattering are not modeled accurately enough. Finally, we use both methods to make predictions of the time evolution of the future 208 Pb 82+ beams in the LHC at injection and collision energy. For this machine, the two methods agree well. PACS numbers: 29.20.db, • Multi-particle tracking: This method, described in Sec. III, is rather direct and accurate but slow. We use an extended version of the code introduced in Refs. [12][13][14], motivated by the fact that the longi-

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Section: Ode Simulationmentioning

confidence: 99%

Time evolution of the luminosity of colliding heavy-ion beams in BNL Relativistic Heavy Ion Collider and CERN Large Hadron Collider

Bruce

Jowett

Blaskiewicz

et al. 2010

Phys. Rev. ST Accel. Beams

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“…The dependence of the cooling time on the initial beam parameters has been demonstrated by simulations with the BETACOOL code [16]. The simulations confirmed the necessity of a magnetic field strength of 0.2 T and a field straightness in the cooling section of B ?…”

Section: Electron Coolingmentioning

confidence: 67%

Design of the New Experimental Storage Ring for operation with ions and antiprotons

Dimopoulou

Beckert

Béller

et al. 2007

Phys. Rev. ST Accel. Beams

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The New Experimental Storage Ring (NESR) of the Facility for Antiproton and Ion Research is designed for versatile operation with ions and antiprotons. Both stable ions and rare isotope beams will be used for internal experiments. The ion beams can be decelerated to a minimum energy of 4 MeV=u and extracted to a low energy experimental area. Antiprotons will be decelerated from 3 GeV to a minimum energy of 30 MeV and transferred to the Facility for Low-energy Antiproton and Ion Research. Electron cooling will provide high quality beams for experiments, assist the deceleration process, and allow the accumulation of rare isotope beams by stacking in longitudinal phase space. Specific rf systems are foreseen for the various operation modes.

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“…The BETACOOL code [27] is one tool that can be used to estimate cooling rates over many turns. First principles simulation of the dynamical friction on individual ions provides improved physical understanding and can be used to improve the friction force models in a code like BETACOOL (see e.g.…”

Section: Distinction Between the Friction Force And Electron Coolingmentioning

confidence: 99%

“…(26) over all particles scales as OðNÞ. However, for Eq (27). we only recalculate the time step for each electron, and there are only a small number of ions in the minimization.…”

mentioning

confidence: 99%

Simulating the dynamical friction force on ions due to a briefly co-propagating electron beam

Bell¹,

Bruhwiler²,

Fedotov³

et al. 2008

Journal of Computational Physics

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BETACOOL program for simulation of beam dynamics in storage rings

Cited by 46 publications

References 1 publication

Time evolution of the luminosity of colliding heavy-ion beams in BNL Relativistic Heavy Ion Collider and CERN Large Hadron Collider

Time evolution of the luminosity of colliding heavy-ion beams in BNL Relativistic Heavy Ion Collider and CERN Large Hadron Collider

Design of the New Experimental Storage Ring for operation with ions and antiprotons

Simulating the dynamical friction force on ions due to a briefly co-propagating electron beam

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