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Electron cooling that results when a bunch of electrons overlaps a bunch of ions , with both bunches moving at the same velocity, may be considered to be an intrabeam scattering process. The process is similar to the usual intrabeam…

Accelerator Physics · Physics 2007-05-23 George Parzen

A new global analytical model of the heat dissipation process that occurs in passively-cooled embedded systems is introduced, and we explicit under what circumstances the traditional assumption that exponential cooling laws apply in such…

Other Computer Science · Computer Science 2015-12-17 Karel De Vogeleer , Gerard Memmi , Pierre Jouvelot , Fabien Coelho

The ability to cool single ions, atomic ensembles, and more recently macroscopic degrees of freedom down to the quantum groundstate has generated considerable progress and perspectives in Basic and Technological Science. These major…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 A. Niguès , A. Siria , P. Verlot

The extreme radiation dose received by vertex detectors at the Large Hadron Collider dictates stringent requirements on their cooling systems. To be robust against radiation damage, sensors should be maintained below -20 degree C and at the…

Instrumentation and Detectors · Physics 2013-07-30 A. Nomerotski , J. Buytart , P. Collins , R. Dumps , E. Greening , M. John , A. Mapelli , A. Leflat , Y. Li , G. Romagnoli , B. Verlaat

This report describes a concept of an EIC cooling system, based on a proven induction linac technology with a dc electron beam. The system would operate in a full energy range of proton beams (100 - 270 GeV) and would provide 50-100 A…

Accelerator Physics · Physics 2021-02-03 V. Lebedev , S. Nagaitsev , A. Burov , V. Yakovlev , I. Gonin , I. Terechkine , A. Saini , N. Solyak

The international Muon Ionization Cooling Experiment (MICE) aims to demonstrate muon beam ionization cooling for the first time and constitutes a key part of the R&D towards a future neutrino factory or muon collider. Beam cooling reduces…

Accelerator Physics · Physics 2019-08-15 Tanaz Angelina Mohayai , Pavel Snopok , David Neuffer , Chris Rogers

Electron-cooling offers a relatively simple scheme to enable high-luminosity collisions in future electron-ion and hadron colliders. Contemplated TeV-energy hadron colliders require relativistic (sub 100 MeV) high-charge [${\cal…

Accelerator Physics · Physics 2022-01-19 A. Fetterman , D. Mihalcea , S. Benson , D. Crawford , D. Edstrom , F. Hannon , P. Piot , J. Ruan , S. Wang

Small muon beams increase the luminosity of a muon collider. Reducing the momentum and position spreads of muons reduces emittance and leads to small, cool beams. Ionization cooling has been observed at the Muon Ionization Cooling…

We have computed line emission cooling rates for the main cooling species in models of interstellar molecular clouds. The models are based on numerical simulations of super-sonic magneto-hydrodynamic (MHD) turbulence. Non-LTE radiative…

Astrophysics · Physics 2009-11-06 M. Juvela , P. Padoan , A Nordlund

We compare the method of Coherent Electron Cooling with Enhanced Optical Cooling. According to our estimations the Enhanced Optical Cooling method demonstrates some advantage for parameters of LHC.

Accelerator Physics · Physics 2013-09-05 E. Bessonov , A. Mikhailichenko

Enhanced electron cooling is demonstrated in a strained-silicon/superconductor tunnel junction refrigerator of volume 40 um^3. The electron temperature is reduced from 300 mK to 174 mK, with the enhancement over an unstrained silicon…

In the coherent electron cooling, the modern hadron beam cooling technique, each hadron receives an individual kick from the electric field of the amplified electron density perturbation created in the modulator by this hadron in a…

Accelerator Physics · Physics 2015-06-17 Andrey Elizarov , Vladimir Litvinenko

A novel type of particle "cooling", called Ionization Cooling, is applicable to slow (v of the order of 0.1c) ions stored in a small ring. The many traversals through a thin foil enhance the nuclear reaction probability, in a steady…

High Energy Physics - Phenomenology · Physics 2011-05-18 C. Rubbia , A. Ferrari , Y. Kadi , V. Vlachoudis

A novel method of electron beam cooling is considered which can be used for linear colliders. The electron beam is cooled during collision with focused powerful laser pulse. With reasonable laser parameters (laser flash energy about 10 J)…

High Energy Physics - Experiment · Physics 2013-10-25 Valery Telnov

Efficient cooling of trapped charged particles is essential to many fundamental physics experiments, to high-precision metrology, and to quantum technology. Until now, sympathetic cooling has required close-range Coulomb interactions, but…

We present a new technique for cooling arbitrary charged particles in a Penning trap by utilizing self-cooled electrons stored in a separate, macroscopically distant Penning trap as the cooling medium. The electrons decay predominantly to…

Atomic Physics · Physics 2026-02-16 Jost Herkenhoff , Jonathan Notter , Klaus Blaum

In semiconductor materials, hot exciton cooling is the process by which highly excited carriers nonradiatively relax to form a band edge exciton. While cooling plays an important role in determining the thermal losses and quantum yield of a…

Mesoscale and Nanoscale Physics · Physics 2023-01-18 Dipti Jasrasaria , Eran Rabani

A method of electron beam cooling is considered which can be used for linear colliders. The electron beam is cooled during collision with focused powerful laser pulse. The ultimate transverse emittances are much below those achievable by…

High Energy Physics - Experiment · Physics 2009-10-31 Valery Telnov

Muon storage rings have been proposed for use as sources of intense high-energy neutrino beams and as the basis for muon colliders. Phase-space compression (cooling) of the muon beam prior to acceleration and storage is needed to optimise…

High Energy Physics - Experiment · Physics 2008-11-26 P. Drumm