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X-ORIGINAL-URL:https://inpa.lbl.gov
X-WR-CALDESC:Events for INPA
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TZID:America/Los_Angeles
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DTSTART:20160313T100000
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DTSTART:20161106T090000
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170303T120000
DTEND;TZID=America/Los_Angeles:20170303T130000
DTSTAMP:20260406T152156
CREATED:20170221T191333Z
LAST-MODIFIED:20170303T164338Z
UID:140-1488542400-1488546000@inpa.lbl.gov
SUMMARY:Martina Gerbino (NORDITA) - Three Neutrinos in Cosmology (to Say Nothing of Laboratory)
DESCRIPTION:Neutrinos are the only standard model particles of unknown mass. Thus\, measuring their mass is one of the leading goals in fundamental physics. Cosmology currently provides the tightest bounds on the sum of the neutrino masses and the possibility that next generation experiments can provide a detection looks promising. Then\, further questions would have to be addressed\, such as the neutrino hierarchy and the neutrino nature. In this talk\, I will discuss the treasure trove of information about massive neutrinos that we can collect from different cosmological probes. I will stress the importance of extending our interest to laboratory searches\, such as kinematic measurements and neutrino less double-beta decay experiments\, for going beyond measuring the neutrino mass. Finally\, I will choose a different angle and show how massive neutrino unknowns can affect the constraints on inflationary models.
URL:https://inpa.lbl.gov/event/martina-gerbino-nordita/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170227T120000
DTEND;TZID=America/Los_Angeles:20170227T130000
DTSTAMP:20260406T152156
CREATED:20170223T191211Z
LAST-MODIFIED:20170224T202525Z
UID:153-1488196800-1488200400@inpa.lbl.gov
SUMMARY:Lauren Ice (ASU) - Measurement of the Two-Photon Exchange Contribution to Elastic Lepton-Proton Scattering with the OLYMPUS Experiment
DESCRIPTION:The OLYMPUS experiment measured the two-photon exchange contribution to elastic electron-proton scattering\, which is thought to be the most likely candidate to resolve the discrepancy observed between polarized and unpolarized measurements of the proton electric-to-magnetic form factor ratio. To deterimine the two-photon exchange contribtuion\, OLYMPUS measured the positron-proton to electron-proton elastic scattering cross section ratio over a wide range of four-momentum transfer from 0.6 < Q2 < 2.2 (GeV/c)2 and virtual photon polarizaton from 0.456 <  < 0.978. The two-photon exchange contribution is correlated to the deviation of the cross section ratio from unity. \nIn 2012\, the OLYMPUS experiment collected over 4 fb−1 of e+p and e−p scatter-ing data using electron and positron beams incident on a hydrogen gas target. The scattered leptons and protons were measured exclusively with a large acceptance spec-\ntrometer. OLYMPUS observed a slight rise in σe+p/σe−p of at most 1-2% over the Q2 range. This talk will discuss the motivations\, experiment\, analysis method\, and the preliminary results for the cross section ratio as measured by OLYMPUS.
URL:https://inpa.lbl.gov/event/lauren-ice/
LOCATION:50B-4205
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170224T120000
DTEND;TZID=America/Los_Angeles:20170224T130000
DTSTAMP:20260406T152156
CREATED:20170221T191141Z
LAST-MODIFIED:20170221T191141Z
UID:138-1487937600-1487941200@inpa.lbl.gov
SUMMARY:Raul Hennings Yeomans (UCB)
DESCRIPTION:Recent progress on the next generation double beta decay experiment with low-temperature macro-calorimeters (CUPID)\nThe Cuore Upgrade with Particle IDentification\, or CUPID\, is a proposed next generation double-beta decay experiment that requires a low-threshold optical photon light detector. The use of a secondary bolometer as a light detector is being investigated since\, $\alpha$-particles (the main background of CUORE-0) could be tagged by comparing the heat and light signals for each event\, given that the two betas from a neutrinoless double beta event would produce both heat and light (Cherenkov light in the case of TeO$_2$) while $\alpha$ events would produce only heat in the absorber. A baseline resolution of at least 20~eV is required in order to achieve a rejection factor of 99.9\% of the $\alpha$ background. I will review latest progress on CUPID\, particularly the development of low-Tc superconducting Transition Edge Sensor technology.
URL:https://inpa.lbl.gov/event/raul-hennings-yeomans-ucb/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170217T120000
DTEND;TZID=America/Los_Angeles:20170217T130000
DTSTAMP:20260406T152156
CREATED:20170203T185508Z
LAST-MODIFIED:20170224T202654Z
UID:127-1487332800-1487336400@inpa.lbl.gov
SUMMARY:Scott Daniel (University of Washington) - Deterministic \chi^2 Exploration to Find Credible Limits Faster than by Bayesian Sampling
DESCRIPTION:Once data has been collected\, it is desirable to be able to quickly transform that data into statements about the values and corresponding uncertainties — the “confidence limits” or “credible limits” — of the physical parameters underlying the data.  Traditionally\, this problem is treated probabilistically. This process can be time consuming\, as enough samples need to be drawn that the distribution of samples converges to the Bayesian posterior distribution of the likelihood in parameter space.  We propose an alternative scheme based on the likelihood ratio test\, minimizing a cost function that incentivizes exploration of parameter space points within the credible limit but far from previously explored points.  Testing on toy likelihood functions with realistic non-Gaussian properties\, we find that this scheme converges to the same credible limit as the usual Bayesian methods but requires an order of magnitude fewer evaluations of the likelihood function.  Our code is publically available over GitHub.
URL:https://inpa.lbl.gov/event/speaker-scott-daniel-from-university-of-washington/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
ORGANIZER;CN="Kawana Yancey":MAILTO:kyancey@lbl.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170203T120000
DTEND;TZID=America/Los_Angeles:20170203T130000
DTSTAMP:20260406T152156
CREATED:20170127T214351Z
LAST-MODIFIED:20170127T214613Z
UID:122-1486123200-1486126800@inpa.lbl.gov
SUMMARY:Benjamin Schmidt (LBNL) - CUORE Commissioning
DESCRIPTION:
URL:https://inpa.lbl.gov/event/cuore-commissioning/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170120T120000
DTEND;TZID=America/Los_Angeles:20170120T130000
DTSTAMP:20260406T152156
CREATED:20170112T221628Z
LAST-MODIFIED:20170117T182607Z
UID:95-1484913600-1484917200@inpa.lbl.gov
SUMMARY:Marcelo Alvarez -Simulating Large Scale Structure Observables from Reionization to the Present
DESCRIPTION:The next generation of large scale structure surveys will map out the universe in unprecedented detail. Transformative techniques in computational astrophysics are emerging as the optimal ways to extract information from these surveys\, with realistic and routine full sky simulations finally within reach. I will describe a new pipeline for efficiently simulating high resolution maps of the sky from the radio to x-ray and from reionization to the present. I will conclude with what questions are likely to be answered in the next decade.
URL:https://inpa.lbl.gov/event/mohammadjavad-vakili-nyu-topic-tba/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
ORGANIZER;CN="Kawana Yancey":MAILTO:kyancey@lbl.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20170113T120000
DTEND;TZID=America/Los_Angeles:20170113T130000
DTSTAMP:20260406T152156
CREATED:20170112T222843Z
LAST-MODIFIED:20170224T202417Z
UID:100-1484308800-1484312400@inpa.lbl.gov
SUMMARY:Initial results from the Majorana Demonstrator - By Alan Poon - LBNL
DESCRIPTION:Neutrinoless double-beta decay experiments play a major role in the search for lepton number violation and the Majorana nature of the neutrino mass. The MAJORANA Collaboration has assembled two modules of high-purity Ge detectors to search for neutrinoless double-beta decay in 76-Ge at the Sanford Underground Research Facility in Lead\, South Dakota. One of the primary goals of the MAJORANA DEMONSTRATOR (MJD) is to establish the required background and scalability of a Ge-based\, next-generation\, tonne-scale experiment. Commissioning of MJD started in 2015 and its two detector modules are taking data. I will discuss the initial results on the search for neutrinoless double-beta decays and dark matter from the commissioning run and the first physics run of Module 1.
URL:https://inpa.lbl.gov/event/initial-results-from-the-majorana-demonstrator-by-alan-poon-lbnl/
LOCATION:50A-5132- Sessler\, 50A-5132 Sessler Conference Room\, CA
ORGANIZER;CN="Kawana Yancey":MAILTO:kyancey@lbl.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161216T120000
DTEND;TZID=America/Los_Angeles:20161216T130000
DTSTAMP:20260406T152156
CREATED:20161214T211248Z
LAST-MODIFIED:20161214T211248Z
UID:57-1481889600-1481893200@inpa.lbl.gov
SUMMARY:Alex Lowell (USB/SSL) - TBA
DESCRIPTION:
URL:https://inpa.lbl.gov/event/alex-lowell-usbssl-tba/
LOCATION:INPA Common Room\, 50-5026
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20161209T120000
DTEND;TZID=America/Los_Angeles:20161209T130000
DTSTAMP:20260406T152156
CREATED:20161214T205410Z
LAST-MODIFIED:20161214T210521Z
UID:54-1481284800-1481288400@inpa.lbl.gov
SUMMARY:Probing Dark Matter with Radio Surveys
DESCRIPTION:Julian Munoz \n Probing Dark Matter with Radio Surveys  \n A significant part of dark matter could be compact\, in particular in the form of primordial black holes. I will review the signatures of primordial black holes\, both in the form of gravitational-wave events and as gravitational lenses of fast radio bursts. Alternatively\, a WIMP-y dark-matter component could interact with baryons. I will explain how these interactions cause heating of the baryons\, becoming observable in the 21-cm line prior to the epoch of reionization.
URL:https://inpa.lbl.gov/event/probing-dark-matter-with-radio-surveys/
LOCATION:INPA Common Room\, 50-5026
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