Polarized positron 2011 : proceedings of the 6th annual workshop, Beijing, China, 28-30 August 2011 / editor, Wei Gai.

Format:

Book

Conference/Event

Contributor:

Gai, W. (Wei)

Conference Name:

Workshop on Polarized Positron

Language:

English

Subjects (All):

Positrons--Congresses.

Positrons.

Linear colliders--Congresses.

Linear colliders.

Physical Description:

1 online resource (167 p.)

Edition:

1st ed.

Place of Publication:

Singapore ; Hackensack, NJ : World Scientific Pub., c2013.

Language Note:

English

Summary:

This 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

Contents:

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; References

Positron 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

References 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

Status 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

3 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

REFERENCES

Notes:

Description based upon print version of record.

Includes bibliographical references.

ISBN:

1-283-85076-1

981-4401-04-8

OCLC:

821180500