R. Lopes

ORCID: 0009-0003-8933-9210
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Particle accelerators and beam dynamics
  • Particle Accelerators and Free-Electron Lasers
  • Superconducting Materials and Applications
  • Gyrotron and Vacuum Electronics Research
  • Public Health in Brazil
  • Health, Nursing, Elderly Care
  • Particle Detector Development and Performance
  • Healthcare during COVID-19 Pandemic

Synchrotron soleil
2006-2013

In SOLEIL, 5 solid state amplifiers provide the required rf power at $352\text{ }\text{ }\mathrm{MHz}$: $1\ifmmode\times\else\texttimes\fi{}35\text{ }\mathrm{kW}$ in booster and $4\ifmmode\times\else\texttimes\fi{}190\text{ storage ring. They consist a combination of large number 330 W elementary modules ($1\ifmmode\times\else\texttimes\fi{}147$ $4\ifmmode\times\else\texttimes\fi{}724$ ring), based on design developed in-house, with MOSFETs (metal-oxide-semiconductor field-effect...

10.1103/physrevstab.10.112001 article EN cc-by Physical Review Special Topics - Accelerators and Beams 2007-11-29

In the SOLEIL storage ring (SR), two cryomodules, each containing a pair of superconducting cavities will provide maximum power 600 kW, required at nominal energy 2.75 GeV with full beam current 500 mA and all insertion devices. Each four be powered 190 kW solid state amplifier consisting in combination 315 W elementary modules (about 700 per amplifier). The modules, based on technology developed house, MOSFET transistor, integrated circulator individual supply, are being fabricated...

10.1109/pac.2005.1590572 article EN Proceedings of the 2003 Particle Accelerator Conference 2006-02-15

The 352 MHz RF accelerating systems for the SOLEIL Booster (BO) and Storage Ring (SR) are in operation since mid 2006. In BO, a 5-cell copper cavity of CERN-LEP type is powered with 35 kW solid state amplifier. SR, required voltage (up to 4.4 MV) power (560 at full beam current 500 mA) will be provided by two cryomodules, each containing pair superconducting cavities, specifically designed SOLEIL. parasitic impedances high order modes strongly attenuated means four coaxial couplers, located...

10.1109/pac.2007.4441146 article EN 2007-01-01

A doença renal encontra-se em linha ascendente de prevalência e a hipertensão arterial sistêmica (HAS) o diabetes mellitus (DM) são as doenças base que mais acometem os rins. abordagem preventiva é principal ação para mitigar complicações dessa doença. Objetivo: avaliar, na perspectiva do usuário, capacidade institucional da Atenção Primária Saúde (APS) atuar com prevenção crônica pessoas HAS DM. Método: estudo transversal analítico desenvolvido município centro-oeste mineiro entre anos 2021...

10.47820/recima21.v4i5.3155 article PT cc-by RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218 2023-05-17

The design of a primary electron beam facility at CERN is described. study has been carried out within the framework wider Physics Beyond Colliders study. It re-enables Super Proton Synchrotron (SPS) as an accelerator, and leverages development invested in Compact Linear Collider (CLIC) technology for its injector accelerator research infrastructure. would be relevant several key priorities 2020 update European Strategy Particle Physics, such electron-positron Higgs factory, R\&D, dark...

10.48550/arxiv.2009.06938 preprint EN cc-by arXiv (Cornell University) 2020-01-01
Coming Soon ...