05187nam 2200625Ia 450 991078934770332120230803033818.01-283-85076-1981-4401-04-8(CKB)3400000000087220(EBL)1080974(OCoLC)821180500(SSID)ssj0000943541(PQKBManifestationID)11503294(PQKBTitleCode)TC0000943541(PQKBWorkID)10978492(PQKB)10245486(MiAaPQ)EBC1080974(WSP)00002836(Au-PeEL)EBL1080974(CaPaEBR)ebr10627513(CaONFJC)MIL416326(EXLCZ)99340000000008722020121210d2013 uy 0engurcuu|||uu|||txtccrPolarized positron 2011[electronic resource] proceedings of the 6th annual workshop, Beijing, China, 28-30 August 2011 /editor, Wei GaiSingapore ;Hackensack, NJ World Scientific Pub.c20131 online resource (167 p.)Description based upon print version of record.981-4401-03-X Includes bibliographical references.Preface; 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; ReferencesPositron 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. SummaryReferences 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; ReferencesStatus 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 radiation3 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; SUMMARYREFERENCESThis 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 undulatorPositronsCongressesLinear collidersCongressesPositronsLinear colliders539.7214Gai Wei1496003MiAaPQMiAaPQMiAaPQBOOK9910789347703321Polarized positron 20113720416UNINA