Energy-dependent Ps-He momentum-transfer cross section at low energies | Zendy

Jason Engbrecht | Zendy; M. J. Erickson | Zendy; Casey P. Johnson | Zendy; Amy J. Kolan | Zendy; A. Legard | Zendy; Steven P. Lund | Zendy; Matthew J. Nyflot | Zendy; Joseph D. Paulsen | Zendy

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Energy-dependent Ps-He momentum-transfer cross section at low energies

Author(s) -

Jason Engbrecht,

M. J. Erickson,

Casey P. Johnson,

Amy J. Kolan,

A. Legard,

Steven P. Lund,

Matthew J. Nyflot,

Joseph D. Paulsen

Publication year - 2008

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.77.012711

Subject(s) - physics , atomic physics , momentum transfer , positronium , cross section (physics) , work (physics) , scattering , dissociation (chemistry) , nuclear physics , sigma , momentum (technical analysis) , quantum mechanics , positron , electron , chemistry , finance , economics

Received 18 June 2007; published 17 January 2008Positronium Ps -He scattering presents one of the few opportunities for both theory and experiment totackle the fundamental interactions of Ps with ordinary matter. Below the dissociation energy of 6.8 eV,experimental and theoretical work has struggled to nd agreement on the strength of this interaction asmeasured by the momentum-transfer cross section

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