Difference between revisions of "Resonant Polarimeter"

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Resonant polarimetry, first proposed by Derbenev in 1993, measures the spin-dependent energy deposited by a beam in cavity via the Stern-Gerlach interaction. This technique of fast non-destructive measurement of beam polarization has been never demonstrated experimentally. We are planning a proof-of-principle test using polarized electrons and a room temperature copper cavity.
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  Phone number: 1-888-240-2560
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  Meeting ID: 3528502673#
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  Meeting URL: http://bluejeans.com/3528502673
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= Meetings and Discussion =
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* Richard Talman's final Spin 2016 paper (November 16, 2016): [[media:Talman_Spin2016-paper_final_16Nov2016.pdf]]. A theoretical paper: [[media:RelativisticStern-Gerlach_16Nov2016.pdf]]
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* Reza's BPM antenna (November 2, 2016): [[media:750_MHz_BPM_Test_Plan_Results.pdf]] [[media:750_MHz_BPM_Test_Plan_Results.pptx]]
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* Sateesh Mane comments (October 19, 2016): [[media:Talman_SPIN2016_19Oct2016_appendix_comments1.pdf]]
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* Sateesh Mane comments (October 17, 2016): [[media:Talman_SPIN2016_07Oct2016_comments.pdf]]
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* Richard Talman's updated Spin 2016 paper (October 07, 2016): [[media:Talman_Spin2016-paper_07Oct2016.pdf]]
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* Sateesh Mane comments: [[media:Talman_SPIN2016_Sateesh_comments.pdf]]
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* Richard Talman's talk at SPIN 2016: [https://indico.cern.ch/event/570680/contributions/2310168/attachments/1341808/2026008/Talman_Spin2016-talk.pdf]
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* Richard Talman, ''The CEBAF Injection Line as Stern-Gerlach Polarimeter'', Spin 2016 Conference (September 22, 2016):
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:: Abstract: [[media:Talman_SG_Polarimeter_Spin2016_abstract.txt]]
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:: Paper: [[media:Talman_SG_Polarimeter_Spin2016.pdf]]
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:: Beam Position Monitors: [[media:Cas_bpm_main.pdf]]
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* Richard Talman, ''The CEBAF Injection Line as One Big Stern-Gerlach Polarimeter'' (September 6, 2016): [[media:InjLine-SG-polarimeter_06Sept2016.pdf]]
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* Brock's report on I/Q Demodulator Performance (September 6, 2016): [[media:IQ_demodulator_performance_06Sept2016.docx]]
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* CEBAF Injector Beamline: [[media:injector_quick_reference.pdf]]
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* Richard Talman's update (August 17, 2016): [[media:Talman_p63-65_17August2016.pdf]]
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* Richard Talman's Stern-Gerlach report (August 3, 2016): [[media:ResPolTest_Talman_03August2016.pdf]] – Updated the signal power estimate [[media:Revised-p14.pdf]]
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* Brock's progress on the 2.495 MHz I/Q receiver (August 3, 2016): [[media:Brock_Receiver_03August2016.JPG]]
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* Richard Talman's SLAC seminar (July 21, 2016): [[media:Talman_seminar_SLAC-July2016.pdf]]
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* Richard Talman's thoughts on resonant polarimetry (June 1, 2016): [[media:Talman_Stern_Gerlach_Resonance_Polarimeter.pdf]]
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* Brock's prototype (June 9, 2016): [[media:Brock_resonant_cavity_prototype.jpg]] [[media:Brock_resonant_cavity_prototype2.jpg]] [[media:Brock_resonant_cavity_prototype3.jpg]] [[media:Brock_resonant_cavity_prototype4.jpg]] [[media:Brock_resonant_cavity_prototype5.jpg]] [[media:Brock_resonant_cavity_prototype6.jpg]]
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* Brock's idea (April 27, 2016): [[media:Brock's_schematic.docx]]
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* Local meeting with Juelich, Bonn and Cornell visitors to discuss resonant polarimeter (February 3-5, 2016): https://www.jlab.org/indico/event/142/
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= References =
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* ''On Stern-Gerlach forces allowed by special relativity and the special case of the classical spinning particle of Derbenev-Kondratenko''
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K. Heinemann, '''arXiv:physics/9611001v1''' (July 22, 2013): [https://arxiv.org/abs/physics/9611001v1] [[media:9611001.pdf]]
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* ''Stern-Gerlach Forces and Spin Splitters''
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D. P. Barber, AIP Conf. Proc. '''1008''', 56 (2008) (29–31 August 2007): [http://dx.doi.org/10.1063/1.2932267] [[media:Barber_SG_1.2932267.pdf]]
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* ''Polarization kinetics of particles in storage rings ''
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Ya. S. Derbenev, A.M. Kondratenko, Sov. Phys. JETP, 37, p.968 (1973): [http://www.jetp.ac.ru/cgi-bin/dn/e_037_06_0968.pdf] [[media:e_037_06_0968.pdf]]
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* ''The Stern-Gerlach interaction between a traveling particle and a time varying magnetic field''
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M. Conte, M. Ferro, G. Gemme, W.W. MacKay, R. Parodi, M. Pusterla, '''arXiv:physics/0003069v1''' (March 24, 2000): [https://arxiv.org/abs/physics/0003069v1] [[media:arXiv_physics_0003069v1.pdf]]
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* ''Relativistic Stern-Gerlach Interaction in an RF Cavity''
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M. Conte, A. U. Luccio, and M. Pusterla, '''arXiv:physics/0907.2161v1''' (February 22, 2013): [https://arxiv.org/abs/0907.2161] [[media:arXiv_physics_0907.2161v1.pdf]]
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* ''RF-resonance beam polarimeter Part I. Fundamental concepts''
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Ya. S. Derbenev, Nucl. Inst. Meth. A '''336''', 12 (1993): [http://dx.doi.org/10.1016/0168-9002(93)91076-Y] [[media:NuclInstMethA.336.12.pdf]]
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* ''Lorentz Transform of an Arbitrary Force Field Acting on a Particle in its Rest Frame, using the Hamilton-Lagrangian Formalism''
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C. Tschalär, BIR#15-01, Bates Lab Report (June 24, 2016): [[media:Tschaller_Tech_Note_B-IR.pdf]]
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* ''Proposal for a cavity polarimeter at MIT-Bates''
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P. Cameron et al., Proceedings of the Particle Accelerator Conference, Chicago (2001): [http://dx.doi.org/10.1109/PAC.2001.987396] [[media:BATES_PAC2001.00987396.pdf]]
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* ''Measuring the intensity and position of a pA electron beam with resonant cavities''
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Thorsten R. Pusch, F. Frommberger, W. C. A. Hillert, and B. Neff, Phys. Rev. ST Accel. Beams '''15''', 112801 (2012): [http://dx.doi.org/10.1103/PhysRevSTAB.15.112801] [[media:PhysRevSTAB.15.112801.pdf]]

Revision as of 11:15, 18 November 2016

Resonant polarimetry, first proposed by Derbenev in 1993, measures the spin-dependent energy deposited by a beam in cavity via the Stern-Gerlach interaction. This technique of fast non-destructive measurement of beam polarization has been never demonstrated experimentally. We are planning a proof-of-principle test using polarized electrons and a room temperature copper cavity. 


 Phone number: 1-888-240-2560
 Meeting ID: 3528502673#
 Meeting URL: http://bluejeans.com/3528502673

Meetings and Discussion

  • Richard Talman's talk at SPIN 2016: [1]
  • Richard Talman, The CEBAF Injection Line as Stern-Gerlach Polarimeter, Spin 2016 Conference (September 22, 2016):
Abstract: media:Talman_SG_Polarimeter_Spin2016_abstract.txt
Paper: media:Talman_SG_Polarimeter_Spin2016.pdf
Beam Position Monitors: media:Cas_bpm_main.pdf


References

  • On Stern-Gerlach forces allowed by special relativity and the special case of the classical spinning particle of Derbenev-Kondratenko

K. Heinemann, arXiv:physics/9611001v1 (July 22, 2013): [2] media:9611001.pdf

  • Stern-Gerlach Forces and Spin Splitters

D. P. Barber, AIP Conf. Proc. 1008, 56 (2008) (29–31 August 2007): [3] media:Barber_SG_1.2932267.pdf

  • Polarization kinetics of particles in storage rings

Ya. S. Derbenev, A.M. Kondratenko, Sov. Phys. JETP, 37, p.968 (1973): [4] media:e_037_06_0968.pdf

  • The Stern-Gerlach interaction between a traveling particle and a time varying magnetic field

M. Conte, M. Ferro, G. Gemme, W.W. MacKay, R. Parodi, M. Pusterla, arXiv:physics/0003069v1 (March 24, 2000): [5] media:arXiv_physics_0003069v1.pdf

  • Relativistic Stern-Gerlach Interaction in an RF Cavity

M. Conte, A. U. Luccio, and M. Pusterla, arXiv:physics/0907.2161v1 (February 22, 2013): [6] media:arXiv_physics_0907.2161v1.pdf

  • RF-resonance beam polarimeter Part I. Fundamental concepts

Ya. S. Derbenev, Nucl. Inst. Meth. A 336, 12 (1993): [7] media:NuclInstMethA.336.12.pdf

  • Lorentz Transform of an Arbitrary Force Field Acting on a Particle in its Rest Frame, using the Hamilton-Lagrangian Formalism

C. Tschalär, BIR#15-01, Bates Lab Report (June 24, 2016): media:Tschaller_Tech_Note_B-IR.pdf

  • Proposal for a cavity polarimeter at MIT-Bates

P. Cameron et al., Proceedings of the Particle Accelerator Conference, Chicago (2001): [8] media:BATES_PAC2001.00987396.pdf

  • Measuring the intensity and position of a pA electron beam with resonant cavities

Thorsten R. Pusch, F. Frommberger, W. C. A. Hillert, and B. Neff, Phys. Rev. ST Accel. Beams 15, 112801 (2012): [9] media:PhysRevSTAB.15.112801.pdf

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