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NPAC (Nuclear/Particle/Astro/Cosmo) Forums

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Organized by: Prof. Kimberley Palladino


Events During the Week of March 10th through March 17th, 2019

Monday, March 11th, 2019

No events scheduled

Tuesday, March 12th, 2019

gFEX: A Level 1 Calorimeter Trigger for ATLAS at the Run3 LHC (and beyond)
Time: 2:15 pm
Place: 5280 Chamberlin Hall
Speaker: Sabine Lammers , University of Indiana-Bloomington
Abstract: The Global Feature Extractor (gFEX) subsystem of the ATLAS Level 1 Calorimeter trigger is intended to enhance the selectivity of the L1 trigger and increase sensitivity to key physics channels. The gFEX identifies large-radius jets, typical of Lorentz-boosted objects, by means of wide-area jet algorithms refined with subjet information. The architecture of the gFEX permits event-by-event local pileup suppression for these jets using baseline subtraction techniques comparable to those developed for offline analyses. The gFEX architecture is also suitable for other global event algorithms such as missing Et and centrality-related variables.
Host: Kevin Black
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Wednesday, March 13th, 2019

No events scheduled

Thursday, March 14th, 2019

Measure what is measurable and make measurable what is not so — Uncover new physics with bosons at the LHC and upgrades of the CMS detector to maximize the discovery potential
Time: 2:00 pm
Place: 5280 Chamberlin Hall
Speaker: Miaoyuan Liu, Fermilab
Abstract: The Standard Model describes the building blocks of matter and their
interactions. It has been tested extensively with experimental data and
found to be incredibly successful in describing nature. Discovering the
Higgs boson in 2012 at the LHC completed the picture of the SM. The LHC
is at the forefront of directly searching for new physics which is
Beyond-Standard-Model (BSM), and I will discuss searches for
supersymmetric partners of the electroweak bosons, as well as
measurement of an extremely rare process with three WWW bosons as
stringent tests of the SM. I will also discuss the instrumentation which
enables such studies. The discussion includes the recently completed CMS
Phase-1 pixel upgrade, as well as the R&D studies towards solving the
future trigger and computing challenges using innovative machine
learning approaches in future high energy experiments.
Host: Tulika Bose
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Friday, March 15th, 2019

No events scheduled
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