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SUMMARY:Solución de la ecuación de Bethe-Salpeter en el espacio de Minko
 wski
DTSTART;VALUE=DATE-TIME:20090225T103000Z
DTEND;VALUE=DATE-TIME:20090225T113000Z
DTSTAMP;VALUE=DATE-TIME:20261110T004504Z
UID:indico-event-1681@indico.ific.uv.es
DESCRIPTION:For a relativistic system of two scalar particles\, we find th
 e Bethe-Salpeter amplitude in Minkowski space and use it to compute the el
 ectromagnetic form factor. The comparison with Euclidean space calculation
  shows that the Wick rotation in the form factor integral induces errors w
 hich increase with the momentum transfer Q^2. At JLab domain (Q^2=10 GeV^2
 /c^2)\, they are about 30%. Static approximation results in an additional 
 and more significant error. On the contrary\, the form factor calculated i
 n light-front dynamics is almost indistinguishable from the Minkowski spac
 e one.\n\nhttps://indico.ific.uv.es/event/1681/
LOCATION:Dpto. de Física Teórica (UVEG) Sala Seminarios
URL:https://indico.ific.uv.es/event/1681/
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