Results 11 to 20 of about 199,141 (285)

Large Synoptic Survey Telescope: From science drivers to reference design [PDF]

open access: yesSerbian Astronomical Journal, 2008
In the history of astronomy, major advances in our understanding of the Universe have come from dramatic improvements in our ability to accurately measure astronomical quantities. Aided by rapid progress in information technology, current sky surveys are
Ivezić Ž.   +19 more
doaj   +1 more source

Linear electromagnetic accelerator

open access: yesSafety & Defense, 2019
Over time, the weapons have been based on mechanical energy (bows, catapults) and chemical energy (guns, missiles), however, at the moment, more and more weapons are designed using electromagnetic energy (railgun, coilgun).
Laurian GHERMAN, Raluca GHICIUC
doaj   +1 more source

Medium-Term Stability of the Photon Beam Energy of An Elekta CompactTM Linear Accelerator Based on Daily Measurements of Beam Quality Factor [PDF]

open access: yesIranian Journal of Medical Physics, 2016
Introduction In this study, we aimed to assess the medium-term energy stability of a 6MV Elekta CompactTM linear accelerator. To the best of our knowledge, this is the first published article to evaluate this linear accelerator in terms of energy ...
Mohammad Amin Mosleh-Shirazi   +2 more
doaj   +1 more source

Newly constructed compact accelerator-based neutron facility at AIST [PDF]

open access: yesEPJ Web of Conferences, 2020
We have constructed a compact accelerator-based neutron facility at the National Institute of Advanced Industrial Science and Technology (AIST) in Japan aiming at development of structural materials of transportation vehicles for weight reduction.
Kino Koichi   +21 more
doaj   +1 more source

Optically induced lattice deformations, electronic structure changes, and enhanced superconductivity in YBa2Cu3O6.48

open access: yesStructural Dynamics, 2017
Resonant optical excitation of apical oxygen vibrational modes in the normal state of underdoped YBa2Cu3O6+x induces a transient state with optical properties similar to those of the equilibrium superconducting state. Amongst these, a divergent imaginary
R. Mankowsky   +12 more
doaj   +1 more source

Analysis the influence of pulse-to-pulse stability of modulator on high-power microwave output of pulsed klystron

open access: yesSN Applied Sciences, 2021
X-ray free electron laser (XFEL) facility based on electron linear accelerator (LINAC) is regarded as one kind of the fourth-generation light source with the characteristics of high intensity, exceptional brightness, ultrashort pulse duration, and ...
Yongfang Liu   +3 more
doaj   +1 more source

Self-Stimulated Undulator Radiation and its Possible Applications [PDF]

open access: yes, 2010
We investigated the phenomena of self-stimulation of incoherent emission from an undulator installed in the linear accelerator or quasi-isochronous storage ring.
Bessonov, E. G.   +4 more
core   +2 more sources

Amplitude dependent orbital period in alternating gradient accelerators

open access: yes, 2016
Orbital period in a ring accelerator and time of flight in a linear accelerator depend on the amplitude of betatron oscillations. The variation is negligible in ordinary particle accelerators with relatively small beam emittance.
Berg, J. S.   +7 more
core   +1 more source

Transfer line including vacuum differential system for a high-power windowless target

open access: yesPhysical Review Accelerators and Beams, 2020
As the highest power proton linear accelerator in continuous wave mode, China initiative Accelerator Driven sub-critical System linear accelerator will deliver 2.5 MW proton beam to the target inside the reactor.
Yuanshuai Qin   +8 more
doaj   +1 more source

Stability of non-linear integrable accelerator

open access: yes, 2011
The stability of non-linear Integrable Optics Test Accelerator (IOTA) model was tested. The area of the stable region in transverse coordinates and the maximum attainable tune spread were found as a function of non-linear lens strength.
/Fermilab   +3 more
core   +2 more sources

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