搜索结果: 1-15 共查到“高能物理学 Radiation”相关记录26条 . 查询时间(0.046 秒)
Single-shot electro-optic sampling of coherent transition radiation at the A0 Photoinjector
Single-shot electro-optic sampling coherent transition radiation the A0 Photoinjector Accelerator Physics
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2012/5/28
Future collider applications and present high-gradient laser plasma wakefield accelerators operating with picosecond bunch durations place a higher demand on the time resolution of bunch distribution ...
Radiation effects in a muon collider ring and dipole magnet protection
Radiation effects muon collider ring dipole magnet protection
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2012/2/28
The requirements and operating conditions for a Muon Collider Storage Ring (MCSR) pose significant challenges to superconducting magnets. The dipole magnets should provide a high magnetic field to red...
Optimization of a Mu2e production solenoid heat and radiation shield using MARS15
Optimization Mu2e production solenoid heat radiation shield MARS15
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2012/2/28
A Monte-Carlo study of several Mu2e Production Solenoid (PS) absorber (heat shield) versions using the MARS15 code has been performed. Optimizations for material as well as cost (amount of tungsten) h...
Radiation and thermal analysis of production solenoid for Mu2e experimental setup
Radiation thermal analysis production solenoid Mu2e experimental setup
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2012/2/28
The Muon-to-Electron (Mu2e) experiment at Fermilab, will seek the evidence of direct muon to electron conversion at the sensitivity level where it cannot be explained by the Standard Model. An 8-GeV 2...
Summary of session 3 on synchrotron radiation and beam dynamics
Summary session 3 synchrotron radiation beam dynamics
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2012/2/28
Below we summarize presentations, discussions and general conclusions of the Workshop session on "Beam Dynamics Issues". Major subjects include effects due to synchrotron radiation (SR), cryogenic loa...
Time duration of the parametric x-ray radiation
X-rays, PXR, dynamical diffraction, femtosecond electron bunches
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2011/8/31
Time evolution of the parametric X-Ray radiation, produced by a relativistic charged particle passing through a crystal, is studied. The most attention is given to the cases when the radiation lasts m...
Comment on "Particle acceleration by stimulated emission of radiation near a solid-state active medium"
Particle acceleration stimulated emission of radiation
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2011/8/31
In a recent Letter,V. Berezovsky, H. Alam, and L. Sch鋍hter have reported 揳cceleration of electrons moving in free space near an active Nd:YAG slab? The reported mechanism is particle acceleration by s...
Hawking-like radiation from evolving black holes and compact horizonless objects
Hawking-like radiation evolving black holes compact horizonless objects
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2010/12/27
Usually, Hawking radiation is derived assuming (i) that a future eternal event horizon forms, and (ii) that the subsequent exterior geometry is static. However, one may be interested in either conside...
Hawking Radiation and Entropy from Horizon Degrees of Freedom
Hawking Radiation Entropy Horizon Degrees
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2010/12/24
We study the thermodynamic properties of horizons using the dynamical description of the gravitational degrees of freedom at a horizon derived in an earlier work. We use the action of the horizon degr...
Dark Radiation Emerging After Big Bang Nucleosynthesis?
Dark Radiation Emerging Big Bang Nucleosynthesis
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2010/12/27
We show how recent data from observations of the cosmic microwave background may suggest the presence of additional radiation density which appeared after big bang nucleosynthesis. We propose a gener...
State independence for tunneling processes through black hole horizons and Hawking radiation
State independence black hole horizons Hawking radiation
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2010/12/27
Tunneling processes through black hole horizons have recently been investigated in the framework of WKB theory discovering interesting interplay with the Hawking radiation. In this paper we instead ad...
Level Crossing Analysis of Cosmic Microwave Background Radiation: A method for detecting cosmic strings
Cosmic Microwave Background Radiation detecting cosmic strings
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2010/12/27
In this paper we study the footprint of cosmic string as the topological defects in the very early universe on the cosmic microwave background radiation. We develop the method of level crossing analy...
Does an accelerated electron radiate Unruh radiation?
accelerated electron radiate Unruh radiation
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2010/12/24
An accelerated particle sees the Minkowski vacuum as thermally excited, and the particle moves stochastically due to an interaction with the thermal bath. This interaction fluctuates the particle's tr...
State independence for tunneling processes through black hole horizons and Hawking radiation
State independence black hole horizons Hawking radiation
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2010/12/20
Tunneling processes through black hole horizons have recently been investigated in the framework of WKB theory discovering interesting interplay with the Hawking radiation. In this paper we instead ad...
Hawking-like radiation from evolving black holes and compact horizonless objects
Hawking radiation adiabatic quantum gravity black holes spacetime singularities horizons null infinity
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2010/12/20
Usually, Hawking radiation is derived assuming (i) that a future eternal event horizon
forms, and (ii) that the subsequent exterior geometry is static.