'Cloud density' diaporamas de présentation

Electron Cloud Evaluations for ILC DR

542 views • 44 slides

Damping Ring R&D updates SLAC

436 views • 32 slides

ILCDR08 Report - Electron Cloud Session -

375 views • 30 slides

Electron cloud effects in positron rings and LHC

Electron cloud effects in positron rings and LHC. K. Ohmi (KEK) Mar.7-8, 2011 CERN-GSI ECLOUD meeting. Electron cloud effects in positron rings. Large yield of photo-emission, Flat beam, short bunch length. Parameters for e + machines. SuperKEKB 3016 4.0 9 3.6 3.2 3.5 6 0.8

457 views • 29 slides

ILC DR Working Group on Collective Effect: Electron Cloud

ILC DR Working Group on Collective Effect: Electron Cloud. M. Pivi SLAC, on behalf of ILC DR Working Group 27-29 March, 2010 LCWS10 & ILC10 Beijing, China. Beam Instability simulation code. To estimate e- cloud beam instability used CMAD (M. P. SLAC), developed since 2006

393 views • 27 slides

Electron Cloud in the International Linear Collider ILC

Electron Cloud in the International Linear Collider ILC. Mauro Pivi work performed while at SLAC and the ILC Damping Ring Working Group Tau-Charm @ High Luminosity Workshop 27-30 May, 2013. Electron Cloud in a nutshell.

266 views • 26 slides

A. Z. Ghalam, T. Katsouleas (USC) C. Huang, V. Decyk, W.Mori(UCLA)

U C L A. 3-D Parallel Simulation Model of Continuous Beam-Cloud Interactions. A. Z. Ghalam, T. Katsouleas (USC) C. Huang, V. Decyk, W.Mori(UCLA) G. Rumolo and F.Zimmermann(CERN). Outline. Introduction Existing models for beam-cloud interaction ( Single kick approximation)

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Intensity (and brightness) limitations in the Proton Injectors

379 views • 25 slides

Frontal Dynamics of Powder Snow Avalanches

Frontal Dynamics of Powder Snow Avalanches. Cian Carroll, Barbara Turnbull and Michel Louge. EGU General Assembly, Vienna, April 27, 2012. Thanks to Christophe Ancey, Perry Bartelt, Othmar Buser, Jim McElwaine, Florence & Mohamed Naiim, Matthew Scase, Betty Sovilla.

372 views • 25 slides

Electron Cloud Studies at LBNL

Electron Cloud Studies at LBNL. S. De Santis Center for Beam Physics. Areas of Activity. Simulations and theoretical studies Code development (WARP-POSINST) and application to e -cloud formation studies, cyclotron resonances and witness bunch measurements in Cesr -TA.

380 views • 25 slides

Summary electron-cloud simulation codes panel discussion Frank Zimmermann

Summary electron-cloud simulation codes panel discussion Frank Zimmermann. overview of electron-cloud simulation codes M. Furman. electron-cloud panel members. Adelmann, GSI G. Bellodi, CCLRC/Astec/Rutherford M. Furman, LBNL K. Ohmi, KEK M. Pivi, SLAC G. Rumolo, GSI

251 views • 25 slides

Preliminary simulations of e-cloud feedback in the SPS with Warp-POSINST

US LHC Accelerator Research Program. bnl - fnal- lbnl - slac. Preliminary simulations of e-cloud feedback in the SPS with Warp-POSINST. J.-L. Vay, M.A. Furman LBNL jlvay@lbl.gov,mafurman@lbl.gov Presented by M. Venturini (LBNL) E-cloud mitigation mini-workshop

359 views • 21 slides

Damping Ring Session Summary

329 views • 20 slides

Update on Electron Cloud Simulations

Update on Electron Cloud Simulations. T. Demma, INFN-LNF. Plan of Talk. Electron Cloud Single Bunch Instability Simulations Electron Cloud Build-Up Dipole Quadrupole Mitigation Techniques Summary. Single-bunch instability mechanisms*.

195 views • 19 slides

bnl - fnal - lbnl - slac

138 views • 13 slides

Long-lived electrons

ECLOUD07 Conference & Electron Cloud Instrumentation in the Main Injector Bob Zwaska Accelerator Physics Department Meeting May 16, 2007. Long-lived electrons. Low energy electrons trapped in quadrupole. ECLOUD 2007 Workshop. April 9-12, 2007 -- Daugu, ROK 38 participants

197 views • 11 slides

PS e-Cloud Simulations Non-Standard Charge Distributions

PS e-Cloud Simulations Non-Standard Charge Distributions. C. M. Bhat, H. Maury Cuna, H. Damerau, S. Hancock, E. Mahner, F. Caspers and F. Zimmermann e-cloud simulation meeting August 8, 2011.

152 views • 7 slides

The [NII] Line Ratio

Detection of the 205 ? m [NII] Line from the Carina Nebula. G. J. Stacey 1 , T. E. Oberst 1 , A. Loehr 2 , S. C. Parshley 1 , T. Nikola 1 , N. F. H. Tothill 2 , J. I. Harnett 2 , A. P. Lane 2 , A. A. Stark 2 , and C. R. Tucker 3 1 Department of Astronomy, Cornell University

72 views • 1 slides