[PEPPo] HEP2011

[Paul Gueye]

Eric,

My edits are attached.

Paul
On Mar 24, 2011, at 3:34 52, Eric Voutier wrote:

> Dear all,
> Here is an  abstract that Jonathan prepared and wishes to submit at the HEP2011 conference that
> will be hold in Grenoble in july. Jonathan's status at that period is not yet settled but it would
> happen right after his defense. 
> Please send me comments and questions by wednesday next week.
> 
> Thanks, Eric
> 
> -------------- Proposed abstract -----------
> The Polarized Electrons for Polarized Positrons (PEPPo) experiment, planned at Jefferson Lab to 
> demonstrate the transfer of polarization from a low energy (<10 MeV) electron beam to positrons 
> via Bremsstrahlung and pair creation in a single target, is discussed.
> Positron production in particle accelerators widely relies on the creation of electron-positron 
> pairs, however, if the incident high energy particle (photon or lepton) is polarized then the resultant 
> products will carry some portion of the polarization. Indeed, this approach has been successfully 
> tested using polarized photons created with a multi-GeV electron accelerator to generate positrons 
> with polarization >80%. Alternatively, an incident polarized electron beam should offer the same 
> potential.  Although pair creation yield suffers at low energy, recent advances of spin polarized 
> electron sources at Jefferson Lab to sustain milliampere polarized electron beams suggests that a 
> polarized positron source based upon a low energy <10 MeV polarized electron beam may 
> be attractive in some applications.  Further, a successful demonstration of this technique 
> would provide useful information to potentially cast a similar positron source using an even 
> higher electron beam energy (100-500 MeV). 
> An overview of the physics case, design simulation and a description of the PEPPo experiment 
> will be presented.
> <voutier.vcf>_______________________________________________
> PEPPo mailing list
> PEPPo at jlab.org
> https://mailman.jlab.org/mailman/listinfo/peppo

-- 
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
 Paul Gueye
* Hampton University
  Physics Department
  Hampton, VA 23668
  W: (757) 727-5542
  F: (757) 728-6910
  E: paul.gueye at hamptonu.edu
* Jefferson Lab
  Physics Division - F382
  12000, Jefferson Avenue
  Newport News, VA 23606
  W: (757) 269-6287
  E: gueye at jlab.org
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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