'Spin tune' diaporamas de présentation

Acceleration of the polarized proton beam in the AGS with multiple partial Siberian snakes

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Yu. Senichev Electrostatic lattice with alternating spin aberration

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ELECTROSTATIC LATTICE for srEDM with ALTERNATING SPIN ABERRATION

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Beam Polarization

Beam Polarization. e +/-. p. SPEAR HERA SLC LEP MIT/Bates PETRA Tristan. past and present polarized beam facilities:. ZGS AGS IUCF RHIC. + many lower energy facilities. HERA-P TeV-P (?). possible future polarized beam facilities:. NLC JLC TESLA CLIC. outline:.

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Polarized Proton Acceleration in AGS and RHIC

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Spin Dynamics in Rings

Possibility for polarized beam at J-PARC Summary of Satellite Workshop on Polarized Proton Beam at J-PARC.

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New Insights into Spin Coherence Time

Based on Lehrach (FZJ), B. Lorentz (FZJ), W. Morse (BNL), N.Nikolaev ( Landau Inst ) & F. Rathmann (FZJ) & EDM COSY Workshops & EDM-BNL & JEDI Teleconferences More from Ed Stephenson, Greta Guidoboni , Yannis Semertzidis , Yurii Orlov , Frank Rathmann , Alfredo Luccia

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A possible way to measure the deuteron EDM at COSY

A possible way to measure the deuteron EDM at COSY. W.Morse (BNL), N.Nikolaev (IKP FZJ & Landau Inst) & F.Rathmann (IKP FZJ). (A precursor to the dedicated EDM ring at IKP FZJ). PSTP-2011, St.Petersburg12-17 September 2011. Future: Search for Electric Dipole Moments.

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RHIC Spin Flipper Commissioning Plan

RHIC Spin Flipper Commissioning Plan. M. Bai, T. Roser, C. Dawson, Y. Makdisi, W. Meng, S. Nayak, P. Oddo, C. Pai, P. Pile, P. Rosa, J. Tuozzolo. Outline. Introduction How to excite an isolated spin resonance in the presence of full snakes? Commissioning Results From RUN 2009 From RUN 2010

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Polarization Experiments

Polarization Experiments. M. Bai C-A Department, BNL. Outline. RHIC pp experiments in FY2006 Spin de-coherence measurement Polarization dependence with beam intensity and source polarization Spin tune measurement using an ac dipole Snake resonance spectrum RHIC pp experiments for FY2007

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Observation of Snake Resonances at RHIC

Observation of Snake Resonances at RHIC. M. Bai , L. Ahrens, J. Alessi , E. Courant, A. Drees , W. Fischer C. Gardner, R. Gill, J. Glenn, H. Huang, V. Litvinenko A. Luccio , Y. Luo , F. Pilat , W. W. MacKay, Y. Makdisi A. Marusic , M. Minty, C. Montag , V. Ptitsyn , T. Roser

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Driven Spin Coherent Precession at RHIC

Driven Spin Coherent Precession at RHIC. Mei Bai, G. Bunce, R. Gill, T. Roser Brookhaven National Lab. Upton, NY 11973. Introduction. Spin motion near an isolated resonance

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Multiple Partial Siberian Snakes in the AGS

Multiple Partial Siberian Snakes in the AGS. Junpei Takano. PHENIX (p). Absolute Polarimeter (H jet). RHIC pC Polarimeters. Superconducting Siberian Snakes. BRAHMS & PP2PP (p). RHIC. Superconducting Siberian Snakes. STAR (p). Spin Rotators. Solenoidal snake for imperfection res.

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Simulation of Spin Interference and Echo Effect

Simulation of Spin Interference and Echo Effect. Abstract Successively jumping across a depolarization resonance twice produces interesting spin dynamics effects. The dynamics involves an interplay among four parameters:

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Multiple spin resonance crossing in accelerators.

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Multiple Partial Siberian Snakes in the AGS

Multiple Partial Siberian Snakes in the AGS. Junpei Takano. PHENIX (p). Absolute Polarimeter (H jet). RHIC pC Polarimeters. Superconducting Siberian Snakes. BRAHMS & PP2PP (p). RHIC. Superconducting Siberian Snakes. STAR (p). Spin Rotators. Solenoidal snake for imperfection res.

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Spin Tune as function of snake orbital angle March 31, 2009

Spin Tune as function of snake orbital angle March 31, 2009. Mei, Vadim, Thomas. Orbit angle in snakes. 300 murad angle -> 0.046 spin tune shift at 250 GeV. APEX: ramp 1. operation. APEX: ramp 2. Snake angle in present operation.

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The Strong Snake for the AGS Haixin Huang

The Strong Snake for the AGS Haixin Huang. Why strong snake? How strong it needs to be? Design Status. Why Strong snake?. AC dipole operation need precise control of betatron tunes to the level of 0.0005 and need to be constantly monitored for polarized proton operation.

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RHIC Status and Plans

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RHIC Spin Flipper Commissioning Plan

RHIC Spin Flipper Commissioning Plan. Phase I Spin tune measurement using spin flipper How: use the spin flipper to induce large coherent spin precession and measure the projection of the spin vector in the horizontal plane

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