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30/01/2013 - New features
Caltech Group at LHC's Compact Muon Solenoid
High energy collisions at the Large Hadron Collider could excite the invisible Higgs field enough to produce a Higgs particle, but this unstable Higgs boson would decay instantly to lighter particles, and only one collision in a billion is expected to produce a Higgs. LHC collisions may also produce particles of dark matter, but these heavy particles would be invisible, recoiling from a complex spray of visible particles. The Caltech group at CMS is overcoming the many challenges of making the invisible visible at the LHC. The group is making possible the exquisitely calibrated photon calorimetry measurements needed to tease out a one-in-a-billion Higgs or other exotic particles that decay to photons. For dark matter, the group is pursuing a discovery strategy for signals with missing energy and momentum from unseen particles: using the earliest data to commission CMS calorimetry for jets and missing energy, validating the understanding of these signatures in similar Standard Model processes, and implementing new data-driven techniques to maximize the inclusive CMS sensitivity to dark matter.

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30/01/2013 - General News
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