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PRODID:-//LBNL Physics Division Research Progress Meetings - ECPv6.8.3//NONSGML v1.0//EN
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X-WR-CALNAME:LBNL Physics Division Research Progress Meetings
X-ORIGINAL-URL:https://rpm.physics.lbl.gov
X-WR-CALDESC:Events for LBNL Physics Division Research Progress Meetings
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TZID:UTC
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TZOFFSETFROM:+0000
TZOFFSETTO:+0000
TZNAME:UTC
DTSTART:20160101T000000
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TZID:America/Los_Angeles
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TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:20160313T100000
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DTSTART:20161106T090000
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BEGIN:VEVENT
DTSTART;TZID=UTC:20160204T160000
DTEND;TZID=UTC:20160204T170000
DTSTAMP:20260528T185920
CREATED:20150916T161107Z
LAST-MODIFIED:20150916T161107Z
UID:121-1454601600-1454605200@rpm.physics.lbl.gov
SUMMARY:Frank Golf (UCSB) "Searching for New Physics with the Large Hadron Collider"
DESCRIPTION:Abstract:\nAfter a two-year shutdown\, the LHC restarted proton-proton collisions in 2015 with an increase in center-of-mass energy to 13 TeV.  I describe some early results with data from the first year of running and plans for the significantly larger datasets that we expect to collect in the coming years.
URL:https://rpm.physics.lbl.gov/event/reserved-5/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
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BEGIN:VEVENT
DTSTART;TZID=UTC:20160211T160000
DTEND;TZID=UTC:20160211T170000
DTSTAMP:20260528T185920
CREATED:20150916T161135Z
LAST-MODIFIED:20150916T161135Z
UID:122-1455206400-1455210000@rpm.physics.lbl.gov
SUMMARY:Neal Dalal (Univ. Illinois at Urbana-Champaign) "Detecting Dark Matter Substructure Using ALMA"
DESCRIPTION:Abstract: \nDark matter halos surrounding galaxies are expected to contain copious substructure\, in the form of gravitationally bound subhalos.  Local Group observations suggest that our Galaxy has a deficit of substructure (the Missing Satellites Problem)\, possibly indicating new physics in the dark sector.  I will describe how gravitational lensing may be used to measure the amount of dark substructure that exists in typical galaxy halos.  In particular\, I will explain how observations by the newly commissioned ALMA observatory of dusty galaxies from CMB surveys can probe halo substructure.  I will show first results from our ALMA Cycle 2 observations\, and argue that ALMA should be able to answer the Missing Satellites Problem in upcoming years.
URL:https://rpm.physics.lbl.gov/event/reserved-6/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20160218T080000
DTEND;TZID=America/Los_Angeles:20160218T170000
DTSTAMP:20260528T185920
CREATED:20160218T104138Z
LAST-MODIFIED:20160218T104138Z
UID:219-1455782400-1455814800@rpm.physics.lbl.gov
SUMMARY:Special RPM | Daniel Holz (U. Chicago) " Observation of Gravitational Waves from a Binary Black Hole Merger"
DESCRIPTION:We will provide an overview of LIGO’s first event. The signal is consistent with the merger of two black holes of ~30 Msun at a distance of ~400 Mpc. We will discuss some aspects of the detection\, including parameter estimation\, tests of general relativity\, and astrophysical constraints.
URL:https://rpm.physics.lbl.gov/event/special-rpm-daniel-holz-u-chicago-observation-of-gravitational-waves-from-a-binary-black-hole-merger/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=UTC:20160223T160000
DTEND;TZID=UTC:20160223T170000
DTSTAMP:20260528T185920
CREATED:20150916T161251Z
LAST-MODIFIED:20150916T161251Z
UID:125-1456243200-1456246800@rpm.physics.lbl.gov
SUMMARY:Andreu Font-Ribera (LBNL) "Studying the Expansion of the Universe with Quasar Spectra"
DESCRIPTION:Abstract: \nFrom 2009 to 2014\, the Baryon Oscillation Spectroscopic Survey (BOSS) used the SDSS telescope to obtain spectra of 1.5 million galaxies to get very accurate measurements of the Baryon Acoustic Oscillations (BAO) scale at redshift z ~0.5. At the same time\, BOSS observed over 184 000 high redshift quasars (z>2.15) with the goal of detecting the BAO feature in the clustering of the intergalactic medium\, using a technique known as the Lyman alpha forest (LyaF).\nIn this talk I will overview several results from the LyaF working group in BOSS\, including the measurement of BAO at z=2.4 both from the auto-correlation of the LyaF (Delubac et al. 2015)\, and from its cross-correlation with quasars (Font-Ribera et al. 2014). From the combination of these studies we are able to measure the expansion rate of the Universe 11 billion years ago with a 2% uncertainty.\nIn the near future\, the Dark Energy Spectroscopic Instrument (DESI) will increase this data set by an order of magnitude. DESI will provide an exquisite measurement of the expansion over cosmic time\, while at the same time addressing other interesting questions: the sum of the mass of the neutrino species\, properties of dark matter particles\, tests of general relativity and the shape of the primordial power spectrum of density fluctuations.
URL:https://rpm.physics.lbl.gov/event/reserved-9/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20160225T160000
DTEND;TZID=America/Los_Angeles:20160225T170000
DTSTAMP:20260528T185920
CREATED:20160120T144041Z
LAST-MODIFIED:20160120T144041Z
UID:204-1456416000-1456419600@rpm.physics.lbl.gov
SUMMARY:Heather Gray (CERN) " Chasing Beauty: Probing the Higgs Using B-Quarks
DESCRIPTION:Abstract: \nIn the Standard Model\, the Higgs has the highest probability to decay to b-quarks\, yet this is one of the most challenging channels to observe at the LHC. I will explain the importance of measuring the coupling to the Higgs b-quarks\, outline the ATLAS Run-1 H->bb analysis and review the current status of our knowledge of the coupling of the Higgs to b-quarks. I will also discuss how we might expect to observe the coupling of the Higgs to b-quarks during Run-2 of the LHC or in the future.  Finally\, I will discuss future measurements towards the Higgs self-coupling to explore the mechanism of electroweak symmetry breaking.
URL:https://rpm.physics.lbl.gov/event/heather-gray-tba/
LOCATION:Zoom Talk\, 50A-5132\, Berkeley\, ca\, 94720
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