Zobrazeno 1 - 10
of 73
pro vyhledávání: '"Leposava Vuskovic"'
Autor:
Leposava Vuskovic, Janardan Upadhyay, Svetozar Popovic, H. L. Phillips, Anne-Marie Valente-Feliciano, A. Palczewski, Do Jin Im
Publikováno v:
AIP Advances, Vol 7, Iss 12, Pp 125016-125016-5 (2017)
An apparatus and a method for etching of the inner surfaces of superconducting radio frequency (SRF) accelerator cavities are described. The apparatus is based on the reactive ion etching performed in an Ar/Cl2 cylindrical capacitive discharge with r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::99713fa4ca6fa21d6ccab46a663e4f23
https://doi.org/10.1063/1.4991888
https://doi.org/10.1063/1.4991888
Publikováno v:
IEEE Transactions on Plasma Science. 37:1646-1655
A kinetic model for Martian atmospheric entry plasma (MAEP) is presented. The model was calculated based on data from Viking, Pathfinder, and the Mars Exploration Rovers Opportunity and Spirit. Calculations of the density, temperature, and electron d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c38f373496b03448ff62283ee5ec781
https://doi.org/10.1109/tps.2009.2023846
https://doi.org/10.1109/tps.2009.2023846
Autor:
M. Rašković, Svetozar Popovic, Larry Phillips, Janardan Upadhyay, Leposava Vuskovic, Anne-Marie Valente-Feliciano
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 27:301-305
Plasma-based Nb surface treatment provides an excellent opportunity to eliminate surface imperfections and increase the cavity quality factor in important applications such as particle accelerators and cavity quantum electrodynamics, as well as Josep
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::96e7ba522f95d0a1c4bb2d6cfbbf26cf
https://doi.org/10.1116/1.3077298
https://doi.org/10.1116/1.3077298
Autor:
Leposava Vuskovic
The cost-effective production of high frequency accelerating fields are the foundation for the next generation of particle accelerators. The Ar/Cl2 plasma etching technology holds the promise to yield a major reduction in cavity preparation costs. Pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aba3e051260fbee1b032792b7f103b3
https://doi.org/10.2172/1243078
https://doi.org/10.2172/1243078
Autor:
Janardan Upadhyay, Leposava Vuskovic, Do Jin Im, Larry Phillips, Svetozar Popovic, Anne Marie Valente-Feliciano
The reduction of the asymmetry in the plasma sheath voltages of a cylindrical coaxial capacitively coupled plasma is crucial for efficient surface modification of the inner surfaces of concave three-dimensional structures, including superconducting r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f758d5c219c290e9779e5082cc82a20e
Autor:
Svetlana Radovanov, Svetozar Popovic, M. Rašković, Anne-Marie Valente-Feliciano, Larry Phillips, Leposava Vuskovic, L. Godet
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 569:663-670
Pulsed electric discharges were used to demonstrate the validity of plasma surface treatment of superconducting radio-frequency cavities. The experiments were performed on disc-shaped Nb samples and compared with identical samples treated with buffer
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de1a81c9124ddd6947b8087fbbe262af
https://doi.org/10.1016/j.nima.2006.09.038
https://doi.org/10.1016/j.nima.2006.09.038
Autor:
Do Jin Im, S. Popović, Larry Phillips, Janardan Upadhyay, Leposava Vuskovic, Anne-Marie Valente-Feliciano
Publikováno v:
Physical Review Special Topics. Accelerators and Beams, Vol 17, Iss 12, p 122001 (2014)
In this study, plasma based surface modification of niobium is a promising alternative to wet etching of superconducting radio frequency (SRF) cavities. The development of the technology based on Cl2/Ar plasma etching has to address several crucial p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c093ee8da5c6f1a04a6adaedca33b938
https://doaj.org/article/eafcbd58394f466c8ff91b9e3d2181f5
https://doaj.org/article/eafcbd58394f466c8ff91b9e3d2181f5
Publikováno v:
The Physics Teacher. 43:608-611
With the rise of consciousness about the importance of education, ideas and attempts to entangle architecture with education have appeared. The new engineering building at Utah State University was designed1 to be a learning tool for the structural e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1efcbb78159e5322085ff4a447a5ec4e
https://doi.org/10.1119/1.2136460
https://doi.org/10.1119/1.2136460
Publikováno v:
Journal of Applied Physics. 95:24-29
Results of a hydrogen Balmer line-shape study on microwave-induced plasma discharges operated with pure hydrogen and with argon–hydrogen or helium–hydrogen mixtures are reported. Plasma is generated in a rectangular or coaxial microwave cavity in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd650259bc2169aa46d88c6e685ada83
https://doi.org/10.1063/1.1629133
https://doi.org/10.1063/1.1629133
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 33:2081-2094
Absolute normalized differential electron-impact excitation cross sections (DCSs) are presented for the lowest three electronic states of argon: the lowest resonance 4s[3/2]1 (1s4 in Paschen's notation) state and two neighbouring metastable 4s[3/2]2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75b1ad5595eab91776b00e298d715250
https://doi.org/10.1088/0953-4075/33/11/308
https://doi.org/10.1088/0953-4075/33/11/308