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SUMMARY:Determination of Gaugino Mass Parameters in various Linear Collide
 r Modes
DTSTART;VALUE=DATE-TIME:20010522T143000Z
DTEND;VALUE=DATE-TIME:20010522T153000Z
DTSTAMP;VALUE=DATE-TIME:20261012T200813Z
UID:indico-event-1222@indico.ific.uv.es
DESCRIPTION:After the LHC the planed Linear Collider (LC) will be the next
  step in the search for physics beyond the Standard Model. The Minimal Sup
 ersymmetric Standard Model (MSSM) is one of the favoured candidates of thi
 s search. It is one of the aims of a LC to determine the underlying parame
 ters of the MSSM with high precision. One of the free parameters of the MS
 SM is the U(1) gaugino mass parameter $M_1$. Mostly the SU(2) gaugino mass
  parameter $M_2$ is assumed to be connected with $M_1$ via s standard GUT 
 relation which depends on the unification of the gaugino masses $M_1$\, $M
 _2$ and $M_3$ at the GUT-scale. Other supersymmetric models\, however\, pr
 efer other relations between $M_1$\, $M_2$ and $M_3$ at the GUT scale and 
 at the weak scale. Therefore it is necessary to determine $M_1$ at a LC to
  test the GUT relation between $M_1$ and $M_2$.\nThe LC will - hopefully -
  run in four modes: For the LC four modes are in discussion: $e^-e^+$\, $e
 ^-e^-$\, $e\\gamma$ and $\\gamma\\gamma$. For each mode I will present a s
 pecial process and discuss its use to determine $M_1$. The talk will end w
 ith a comparison of the four modes of the LC.\n\nhttps://indico.ific.uv.es
 /event/1222/
LOCATION:Edf. Institutos de Investigación Sala de Juntas del IFIC
URL:https://indico.ific.uv.es/event/1222/
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