LEADER 05187nam 2200625Ia 450 001 9910789347703321 005 20230803033818.0 010 $a1-283-85076-1 010 $a981-4401-04-8 035 $a(CKB)3400000000087220 035 $a(EBL)1080974 035 $a(OCoLC)821180500 035 $a(SSID)ssj0000943541 035 $a(PQKBManifestationID)11503294 035 $a(PQKBTitleCode)TC0000943541 035 $a(PQKBWorkID)10978492 035 $a(PQKB)10245486 035 $a(MiAaPQ)EBC1080974 035 $a(WSP)00002836 035 $a(Au-PeEL)EBL1080974 035 $a(CaPaEBR)ebr10627513 035 $a(CaONFJC)MIL416326 035 $a(EXLCZ)993400000000087220 100 $a20121210d2013 uy 0 101 0 $aeng 135 $aurcuu|||uu||| 181 $ctxt 182 $cc 183 $acr 200 00$aPolarized positron 2011$b[electronic resource] $eproceedings of the 6th annual workshop, Beijing, China, 28-30 August 2011 /$feditor, Wei Gai 210 $aSingapore ;$aHackensack, NJ $cWorld Scientific Pub.$dc2013 215 $a1 online resource (167 p.) 300 $aDescription based upon print version of record. 311 $a981-4401-03-X 320 $aIncludes bibliographical references. 327 $aPreface; CONTENTS; Physics Applications of Polarized Positrons S. Riemann; 1. Introduction; 2. Physics with Polarized Positrons; 2.1. Fermion-Pair Production in the s-Channel; 2.2. Cross Sections; 2.3. Left-Right Asymmetry; 2.4. u,t-Channel Processes; 2.5. W+ W- Pair Processes; 2.6. Higgs Factory; 2.7. GigaZ Option; 2.8. Tmnsversely Polarized Beams; 3. Requirements for Physics; 3.1. Polarimetry at the Interaction Point; 3.2. Positron Polarimetry at the Source; 3.3. Frequency of Helicity Reversal; 4. Summary; Acknowledgments; References 327 $aPositron Source for International Linear Collider Wei Gai, Wanming Liu 1. Introduction; 2. Lay out as in SB2009 proposal; 3. Critical components of undulator based positron source; 4. The RDR undulator based positron source; 5. The SB2009 undulator based positron source; 6. High K short period undulator; 7. Summary; References; On the Parameters of International Linear Collider Positron Source Waming Liu, Wei Gai, Sabine Riemann, Andriy Ushakov; 1. The undulator parameters; 2. Drive beam parameters; 3. Production target parameters; 4. Capturing Optical Matching Device (OMD); S. Summary 327 $aReferences Polarized Positrons for the ILC- Update on Simulations A. Ushakov, O.S. Adeyemi and G. Moortgat-Pick, F. Staufenbiel, S. Riemann; 1. Introduction; 2. Energy Deposition and Temperature in Target. Static Model of Material Response; 3. Evolution of Thermal Stress in Time; 4. Summary; 5. Outlook; Acknowledgments; References; Why K-Factor in ILC Undulator Should Be Small Alexander A. Mikhailichenko; Overview; Some Tedmlcal Details [9]; Polarization and the Energy Separation; Calculations with Konn; Summary; References 327 $aStatus of Prototyping of the ILC Positron Target 1. Gronberg, Craig Brooksby, Tom Piggott, Ryan Abbott, Jay Javedani, Ed Cook1. Positron Source Overview; 2. Prototyping of the Ferrofluidic Seal; 3. Prototyping of the Pulsed Flux Concentrator Magnet; 4. Future Work; Acknowledgments; References; Heat Load and Stress Studies for an Design of the Photon Collimator for the ILC Positron Source F. Staufenbiel, S. Riemann, O.S. Adeyemi, V. Kovalenko, L Malysheva, A. Ushakov, G. Moortgat-Pick; 1 Introduction; 2 Production of polarized positrons by helical undulator radiation 327 $a3 Heat load studies for photon collimators 3.1 Previous photon collimlltor design; 3.2 Moveable multistage collimlltors; 3.3 Optimized collimator design; 3.3.1 Dimensions of the first collimator with 2.0mm aperture; 3.3.2 Dimensions of the second collimator with 1.4mm aperture; 3.3.3 Dimensions of the third collimator with l .Omm aperture; 4 Radial heat dissipation for cylindrical collimators; 5 Conclusion; Acknowledgments; References; Lithium Lens for ILC Alexander A. Mikhailichenko; OVERVIEW; THE LITHIUM LENS CONCEYf; 1. COMPARISON WITH FERMILAB LENSES; SOME TECHNICAL DETAILS; SUMMARY 327 $aREFERENCES 330 $aThis volume is a collection of the contributions to the 6th Annual Workshop on Polarized Positron held in China. It provides updated information on polarized positron source R&D efforts for future high energy linear colliders and other research activities related to the polarized positron studies.The topics covered include: positron beams for linear colliders, but not limited to it, with the main items listed below: Polarized gamma ray generation High degree polarized positron generation from Compton scattering both ring and linac based High degree polarized positron generation from undulator 606 $aPositrons$vCongresses 606 $aLinear colliders$vCongresses 615 0$aPositrons 615 0$aLinear colliders 676 $a539.7214 701 $aGai$b Wei$01496003 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910789347703321 996 $aPolarized positron 2011$93720416 997 $aUNINA