## Events - Daily

Tuesday,
December 03 |
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Informal HET Seminar - Geoffrey Compere, Harvard University, "All single-center black holes of N=8 supergravity" PCTS Seminar Room · 2:00 p.m.– 3:00 p.m. |

High Energy Physics Seminar-Valentina Dutta-MIT-The Search for a Higgs boson Decaying to Tau Pairs with the CMS Detector The discovery of a new boson compatible with the expectations for the Standard Model Higgs propelled LHC physics into a new era. Studying the properties and couplings of the newly discovered particle immediately became a goal of primary importance. The di-tau final state currently provides the only means of probing the coupling of the Higgs to leptons; it is also the fermionic final state with the best sensitivity for a Standard Model Higgs. This talk describes the latest results of the search for a Higgs decaying to tau pairs using all of the data recorded by the Compact Muon Solenoid experiment in 2011 and 2012. Looking beyond the Standard Model interpretation, an analysis of the data in the context of the MSSM is also presented. Finally, future prospects of the measurement are discussed. Jadwin 303 · 2:30 p.m.– 3:30 p.m. |

Math Physics Seminar, Volker Bach, "On the Bogolubov-Hartree-Fock (BHF) Approximation for the Pauli-Fierz Model" The minimal energy of the nonrelativistic one-electron Pauli-Fierz model within the class of quasifree states is studied. It is shown that this minimum is unchanged if one restricts the variation to pure quasifree states, which simplifies the variational problem considerably. Existence and uniqueness of minimizers are established under the assumption of infrared and ultraviolet cutoffs, as well as, a sufficiently small coupling constant and a small momentum of the dressed electron. This is joint work with S. Breteaux and T. Tzaneteas and with S. Breteaux, H.K. Knoerr, and E. Menge. Jadwin A06 · 4:30 p.m.– 6:00 p.m. |