نتایج جستجو برای: particle beam dynamics

تعداد نتایج: 702705  

Journal: :Review of Scientific Instruments 1967

Journal: :The Review of Laser Engineering 1977

Journal: :Radiation detection technology and methods 2023

Abstract Purpose The physics design of the High Energy Photon Source (HEPS) was finished after many times iteration. Hereby, typical equilibrium electron beam parameters corresponding to proposed two baseline operation modes in HEPS are presented. Methods To compute beam, lattice parameters, RF and insertion devices (IDs) were determined first. Furthermore, it is more precise use full-current e...

Journal: :Proceedings of the Royal Society of Medicine 1965

رئیسی, مرتضی, شهریاری, اسماعیل,

Thermal diffusivity of Au nanofluid was measured by using a dual beam mode-mismatched thermal lens method. The samples were prepared in various sizes by utilizing the gamma radiation method. In the dual beam mode-mismatched thermal lens, a diode laser (532 nm) was used as an excitation beam and a He-Ne laser with the beam output at 632.8 nm was used as a probe beam. Thermal diffusivity of gold...

Damage of the normal tissue is a serious concenrn in cancer treatment. Hyperthermia by laserhas been considered as a safe cancer treatments methods with lower harmful effects on normaltissues. Using nanoparticles in cancer treatment has improved laser therapy, which is based ona selective cell targeting method to localize cell damages. Metallic nanoparticles such as gold,silver, and copper have...

2007
Salvatore De Martino Silvio De Siena

In this paper we brieey review the main aspects of a recent proposal to simulate semiclassical corrections to classical dynamics by suitable classical stochastic uctuations, and we apply it to the spe-ciic instance of charged beams in particle accelerators. The resulting picture is that the collective beam dynamics, at the leading semiclassi-cal order in Planck constant can be described by a pa...

2008
J. Yang K. Kan T. Kondoh Y. Yoshida K. Tanimura J. Urakawa

A photocathode-based low-emittance femtosecondbunch electron source is developed in Osaka University to reveal the hidden dynamics of intricate molecular and atomic processes in materials through experimentation such as time-resolved pulse radiolysis or time-resolved electron diffraction. The transverse and longitudinal dynamics of femtosecond electron beam in the photocathode rf gun were studi...

1998
Nicola Cufaro Petroni Salvatore De Martino

In this paper we briefly review the main aspects of a recent proposal to simulate semiclassical corrections to classical dynamics by suitable classical stochastic fluctuations, and we apply it to the specific instance of charged beams in particle accelerators. The resulting picture is that the collective beam dynamics, at the leading semiclassi-cal order in Planck constant can be described by a...

2007
Nicola Cufaro Petroni Salvatore De Martino Silvio De Siena Fabrizio Illuminati

In this paper we brie y review the main aspects of a recent pro posal to simulate semiclassical corrections to classical dynamics by suitable classical stochastic uctuations and we apply it to the spe ci c instance of charged beams in particle accelerators The resulting picture is that the collective beam dynamics at the leading semiclassi cal order in Planck constant can be described by a part...

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