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CATEGORIES:HEP phenomenology joint Cavendish-DAMTP seminar
SUMMARY:How low can SUSY go? Matching\, monojets and compr
 essed spectra. - Jamie Tattersall (Bonn)
DTSTART;TZID=Europe/London:20120614T160000
DTEND;TZID=Europe/London:20120614T170000
UID:TALK36221AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/36221
DESCRIPTION:The LHC experiments now place significant constrai
 nts on the parameters of Supersymmetry (SUSY). For
  example\, in the case of the commonly studied mSu
 gra model\, with equal mass squarks and gluinos th
 e bounds now reach 1.4TeV. However\, if we move aw
 ay from specific models it is possible that these 
 bounds can be substantially weakened. One example 
 is that if the SUSY particles have a compressed sp
 ectra\, the particles produced in the cascade deca
 y can be too soft to pass any cuts. In this case\,
  the role of initial state radiation (ISR) is vita
 l to discover and set limits on the spectrum. To a
 ccurately describe ISR\, we find that matching par
 ton showers to the matrix element prediction is es
 sential. In addition\, we find that for very compr
 essed spectra\, monojet searches can outperform th
 e typical SUSY analyses.
LOCATION:Seminar Room B\, Rutherford Building\, Cavendish L
 aboratory
CONTACT:Marcin Badziak
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