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X-WR-CALDESC:Events for INPA
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DTSTART;TZID=America/Los_Angeles:20180202T120000
DTEND;TZID=America/Los_Angeles:20180202T130000
DTSTAMP:20260527T061912
CREATED:20180119T180543Z
LAST-MODIFIED:20180119T180543Z
UID:315-1517572800-1517576400@inpa.lbl.gov
SUMMARY:Jason Bono (Fermilab) - Muon Anomalies and Their Future Investigations
DESCRIPTION:The muon is 200 times heavier than the electron and still lighter than any hadron\, which make it’s interactions\, at once\, potentially sensitive to undiscovered phenomena\, and predictable to high precision within the Standard Model. The muon’s ease of production\, natural polarization and self analyzing decay\, and comparatively long lifetime also allow for extremely high precision measurements of fundamental constants and interactions. Muons thus offer a unique probe to search for physics beyond the Standard Model. \nThis discussion will first elaborate on some of the experimental and theoretical niceties of the muon\, and briefly look at the particle from a historical perspective\, emphasizing a few of the many important roles that it’s played in piecing together our current understanding of particle physics. We will then look at a variety of anomalies in experiments using muons\, which\, taken together may suggest the possibility of sensitivity to new physics within reach of future experiments\, some of which will also be looked at. Topics include recent developments in the proton radius puzzle\, the muon anomalous magnetic moment\, hints of lepton flavor non-universality in B decays\, and searches for charged lepton flavor violation. For fun\, a recent discovery in the Great Pyramid of Giza using muon tomography will also be discussed.
URL:https://inpa.lbl.gov/event/jason-bono-fermilab-muon-anomalies-and-their-future-investigations/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20180209T120000
DTEND;TZID=America/Los_Angeles:20180209T130000
DTSTAMP:20260527T061912
CREATED:20180119T181418Z
LAST-MODIFIED:20180207T154537Z
UID:319-1518177600-1518181200@inpa.lbl.gov
SUMMARY:Wing Yan Ma (Imperial College London) - Recent Neutrino Oscillation Results from T2K
DESCRIPTION:T2K is a long baseline neutrino experiment situated in Japan. A muon neutrinos and antineutrinos beam is produced and fired 295km across the country and observed using the 50 kTon Super Kamiokande detector. By studying how many of these neutrinos have oscillated into different flavours and whether the oscillations occur differently for antineutrinos we have sensitivity to CP violation in the neutrino sector. I will present the latest results of the neutrino oscillation measurements using data collected up to May 2017\, including new limits on the CP violating parameter δCP.
URL:https://inpa.lbl.gov/event/wing-yan-ma-imperial-college-london-t2k/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20180212T120000
DTEND;TZID=America/Los_Angeles:20180212T130000
DTSTAMP:20260527T061912
CREATED:20180119T181830Z
LAST-MODIFIED:20180208T010525Z
UID:322-1518436800-1518440400@inpa.lbl.gov
SUMMARY:Special - Danielle Leonard (CMU) - Measuring the scale-dependence of intrinsic alignments using multiple shear estimates
DESCRIPTION:The next generation of cosmological surveys promises significant advancements in the field of weak gravitational lensing. As such\, it is crucial that relevant systematic effects such as the intrinsic alignment of galaxies are well-understood. I will discuss a new method for measuring the scale-dependence of the intrinsic alignment contamination to the galaxy-galaxy lensing signal\, which takes advantage of multiple shear estimates applied to the same data set. For a galaxy-galaxy lensing measurement which uses LSST sources and DESI lenses\, the signal-to-noise on the intrinsic alignment signal measured by our method is forecast to improve on an existing method (Blazek et al. 2012) by a factor of >2\, for optimally chosen pairs of shear estimates.
URL:https://inpa.lbl.gov/event/special-danielle-leonard-cmu/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20180216T120000
DTEND;TZID=America/Los_Angeles:20180216T130000
DTSTAMP:20260527T061912
CREATED:20180119T185643Z
LAST-MODIFIED:20180119T185643Z
UID:324-1518782400-1518786000@inpa.lbl.gov
SUMMARY:Samuele Sangiorgio (Lawrence Livermore National Laboratory) - Neutrinoless Double Beta Decay with nEXO: Experiment Concept\, R&D\, and Sensitivity
DESCRIPTION:The next-generation Enriched Xenon Observatory (nEXO) is a proposed experiment to search for neutrinoless double beta (0νββ) decay whose observation would imply lepton number violation and confirm the existence of elementary Majorana fermions. nEXO searches for 0νββ in 136 Xe with a target half-life sensitivity of approximately 10 28 years using 5×10 3 kg of isotopically enriched liquid-xenon in a time projection chamber. This improvement of two orders of magnitude in sensitivity over current limits is obtained by a significant increase of the 136Xe mass\, the monolithic and homogeneous configuration of the active medium\, and the multi-parameter measurements of the interactions enabled by the time projection chamber. This seminar will introduce nEXO’s detector concept\, present the R&D activities\, and discuss the anticipated performance based upon demonstrated realizable background rates.
URL:https://inpa.lbl.gov/event/samuele-sangiorgio-lawrence-livermore-national-laboratory-neutrinoless-double-beta-decay-with-nexo-experiment-concept-rd-and-sensitivity/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20180223T120000
DTEND;TZID=America/Los_Angeles:20180223T130000
DTSTAMP:20260527T061912
CREATED:20180216T165728Z
LAST-MODIFIED:20180216T191248Z
UID:351-1519387200-1519390800@inpa.lbl.gov
SUMMARY:Dan Wilkins (Stanford) - Seeing to the Event Horizons of Supermassive Black Holes
DESCRIPTION:From the reflection and reverberation of X-rays off the innermost regions of AGN accretion discs\, a three-dimensional picture is starting to emerge of the extreme environments around supermassive black holes in which intense X-ray emission is produced and jets are launched at close to the speed of light. \n  \nRecent advances in the analysis of the X-ray emission and its variability in AGN\, observed by the great X-ray observatories\, coupled with general relativistic ray tracing simulations\, have revealed vast amounts of information about the extreme environments in the immediate vicinity of the black hole event horizon. The effects of general relativity on the reflected emission can be exploited to pinpoint the location of reflection in the strong gravitational field\, while time delays in the X-ray echoes off the accretion disc enable the structure of the innermost regions to be mapped. \n  \nWe discover how the X-ray emitting corona evolves on long and short timescales\, giving rise to orders of magnitude variation in luminosity as well as the processes the corona can undergo during transient events\, most notably the collimation and ejection of portions of the corona during X-ray flares\, reminiscent of the aborted launching of a jet. The latest X-ray reverberation studies are revealing\, for the first time\, structure within the corona including a persistent collimated core akin to the base of a jet\, even in radio-quiet sources\, alongside a second component associated with the accretion disc itself. \n  \nThis gives us important insight into the small-scale processes close to the event horizon that enable supermassive black holes to power some of the most luminous objects in the Universe\, launch vast jets and play their important role in the formation of structure in the Universe.
URL:https://inpa.lbl.gov/event/dan-wilkins-stanford/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
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