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PRODID:-//LBNL Physics Division Research Progress Meetings - ECPv6.8.3//NONSGML v1.0//EN
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X-ORIGINAL-URL:https://rpm.physics.lbl.gov
X-WR-CALDESC:Events for LBNL Physics Division Research Progress Meetings
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BEGIN:VTIMEZONE
TZID:America/Los_Angeles
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TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:20160313T100000
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TZOFFSETFROM:-0700
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DTSTART:20161106T090000
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161201T160000
DTEND;TZID=America/Los_Angeles:20161201T170000
DTSTAMP:20260423T185331
CREATED:20160919T160053Z
LAST-MODIFIED:20160919T160053Z
UID:309-1480608000-1480611600@rpm.physics.lbl.gov
SUMMARY:Evan Pease (Yale) "Searching for WIMPs and More: Results from 3 Years of Underground Science with the LUX Experiment"
DESCRIPTION:ABSTRACT:\nThe Large Underground Xenon (LUX) experiment recently concluded underground operationat the Sanford Underground Research Facility. This talk will cover the full LUX search for dark matter in the form of Weakly Interacting Massive Particles (WIMPs) and will describe new measurements of xenon’s properties and new analysis techniques developed for further LUX science.
URL:https://rpm.physics.lbl.gov/event/reserved-18/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161206T160000
DTEND;TZID=America/Los_Angeles:20161206T170000
DTSTAMP:20260423T185331
CREATED:20160919T161222Z
LAST-MODIFIED:20160919T161222Z
UID:311-1481040000-1481043600@rpm.physics.lbl.gov
SUMMARY:Cristián H. Peña (Caltech) "Searches for New Physics at CMS and Precision Timing Detectors"
DESCRIPTION:ABSTRACT:\n\n\nSearches for dark matter and supersymmetry are part of an ambitious and well motivated quest to discover new physics at the LHC. In the first part of this seminar I will be presenting two novel searches for new physics using the data collected by the CMS experiment. The first is a search for dark matter in multijet events using the razor variables to discriminate signal from background events. The second is a search for anomalous production of Higgs bosons in association with jets\, where the Higgs is reconstructed through its diphoton decay channel. The second part of my seminar will cover cutting edge detector R&D towards a device with ~10 ps time resolution. Such detectors will have a positively disruptive impact in future experiments such as the High Luminosity upgrade of the LHC by maintaining the current event reconstruction performance\, which is expected to otherwise significantly deteriorate due to the high pileup environment.
URL:https://rpm.physics.lbl.gov/event/reserved-19/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161208T160000
DTEND;TZID=America/Los_Angeles:20161208T170000
DTSTAMP:20260423T185331
CREATED:20160919T161250Z
LAST-MODIFIED:20160919T161250Z
UID:313-1481212800-1481216400@rpm.physics.lbl.gov
SUMMARY:Johanna Nagy (Case Western) "Probing Inflation with SPIDER\, a Balloon-Borne CMB Polarimeter"
DESCRIPTION:Abstract:\n \nThe generation of a stochastic gravitational wave background is a key prediction of cosmological theories of inflation. At large angular scales\, these gravitational waves imprint a “B-mode” polarization pattern in the Cosmic Microwave Background\, providing a new window into the physics of the early universe and helping to constrain and distinguish between inflationary models. SPIDER is a balloon-borne telescope that has been uniquely optimized to search for the inflationary B-mode signature in the CMB. Over the course of two Antarctic flights\, SPIDER will make polarization maps over 10% of the sky in three frequency bands with degree-scale angular resolution. After an overview of the instrument and science goals\, preliminary results from SPIDER’s 2015 flight will be presented along with a summary of progress towards the second flight.
URL:https://rpm.physics.lbl.gov/event/reserved-20/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161213T160000
DTEND;TZID=America/Los_Angeles:20161213T170000
DTSTAMP:20260423T185331
CREATED:20160919T161937Z
LAST-MODIFIED:20160919T161937Z
UID:315-1481644800-1481648400@rpm.physics.lbl.gov
SUMMARY:ChangHoon Hahn (NYU) "Fundamental Physics with Galaxy Clustering"
DESCRIPTION:Abstract: \n\nGalaxies’ connection to the cosmic web allows us to use them to trace the matter distribution in the Universe and make precise measurements of large scale structure. The next galaxy surveys (eBOSS and DESI) will expand the cosmic volumes probed with galaxies by an order of magnitude and provide unprecedented statistical power. The main challenges for realizing their full potential are methodological.\n\nI will present how the main challenges can be solved with robust treatment of systematics (e.g. fiber collisions)\, accurate probabilistic inference\, and higher order statistics. By overcoming these challenges and unlocking the full potential of eBOSS and DESI\, I will present how we can measure the growth of structure and total neutrino mass with unprecedented precision.
URL:https://rpm.physics.lbl.gov/event/reserved-21/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161215T160000
DTEND;TZID=America/Los_Angeles:20161215T170000
DTSTAMP:20260423T185331
CREATED:20160919T162126Z
LAST-MODIFIED:20160919T162126Z
UID:319-1481817600-1481821200@rpm.physics.lbl.gov
SUMMARY:Nan Lu (U. Michigan - Ann Arbor) ""Higgs Boson Property Measurements with ATLAS at the LHC""
DESCRIPTION:Abstract: \n“After the discovery of Higgs boson by the ATLAS and CMS experiments at the LHC in 2012\, a new era of studying the properties of this new particle has begun. In this talk\, I will give a brief overview of Higgs boson property measurements using LHC Run 1 data\, and then focus on the measurements of Higgs boson production in the four-lepton decay channel and in combination with the diphoton decay channel using 13.3 fb-1 to 14.8 fb-1 of Run 2 data collected at √s=13 TeV by the ATLAS detector.”
URL:https://rpm.physics.lbl.gov/event/reserved-23/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161220T160000
DTEND;TZID=America/Los_Angeles:20161220T170000
DTSTAMP:20260423T185331
CREATED:20160919T162057Z
LAST-MODIFIED:20160919T162057Z
UID:317-1482249600-1482253200@rpm.physics.lbl.gov
SUMMARY:Karol Krizka (U. Chicago) "Dark Matter Mediators and Dijet Resonance Searches by the ATLAS Experiment"
DESCRIPTION:Abstract:Using 13 TeV pp collisions\, the ATLAS experiment has used a collection of dijet resonance searches (high-mass dijet\, trigger-level dijet and dijet+ISR) to search for new particles with masses ranging from 200 GeV to 7 TeV. This talk summarizes the searches\, with a focus on new the “dijet+ISR” channel. The dijet+ISR analysis is an LHC-first and reaches mediator masses below 500 GeV by utilizing an ISR jet or photon to trigger the event. This region was previously accessible only by the LEP and Tevatron experiments. This is an important improvement for Dark Matter simplified models\, based on a mediator between a Dark Matter particle and the Standard Model. Cosmological measurements of the Dark Matter relic density prefer the mediator mass to be sub-TeV. By searching for a dijet resonance produced by the mediator decaying back into quarks\, powerful new limits are set on the simplified Dark Matter models.
URL:https://rpm.physics.lbl.gov/event/reserved-22/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
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