Abstract
SynopsisWe discuss the electron-optical properties of a toroidal magnetic sector spectrometer and its suitablilty for electron-positron pair spectroscopy in relativistic ion-atom collisions in the future HESR storage ring at FAIR. With the simultaneous mapping of electrons and positrons and geometric invariants in the lepton trajectorties this instrument offers a very high efficiency for studies of vector momentum correlation in free-free pair production.
Highlights
The excitation of an electron with negative energy from the completely filled Dirac sea into an unoccupied state with either a discrete positive energy (resulting in bound-free pairs) or positive energy in a continuum (resulting in free-free pairs) has evolved into a central topic of QED in extreme fields as the coupling between the lepton field and the electromagnetic field is close to one [12]
Electron positron pair production, the excitation of an electron with negative energy from the completely filled Dirac sea into an unoccupied state with either a discrete positive energy or positive energy in a continuum has evolved into a central topic of QED in extreme fields as the coupling between the lepton field and the electromagnetic field is close to one [12]
Synopsis We discuss the electron-optical properties of a toroidal magnetic sector spectrometer and its suitablilty for electron-positron pair spectroscopy in relativistic ion-atom collisions in the future HESR storage ring at FAIR
Summary
The excitation of an electron with negative energy from the completely filled Dirac sea into an unoccupied state with either a discrete positive energy (resulting in bound-free pairs) or positive energy in a continuum (resulting in free-free pairs) has evolved into a central topic of QED in extreme fields as the coupling between the lepton field and the electromagnetic field is close to one [12]. Synopsis We discuss the electron-optical properties of a toroidal magnetic sector spectrometer and its suitablilty for electron-positron pair spectroscopy in relativistic ion-atom collisions in the future HESR storage ring at FAIR.
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