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X-WR-CALDESC:Events for LBNL Physics Division Research Progress Meetings
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DTSTART;TZID=America/Los_Angeles:20190507T160000
DTEND;TZID=America/Los_Angeles:20190507T170000
DTSTAMP:20260527T075202
CREATED:20190404T133220Z
LAST-MODIFIED:20190404T133220Z
UID:1055-1557244800-1557248400@rpm.physics.lbl.gov
SUMMARY:Gilbert Holder (U. Illinois\, Urbana-Champaign) "Particle Physics & Astrophysics with Wide Field mm-Wave Surveys"
DESCRIPTION:Abstract: \nThere have now been several generations of wide-field mm-wave surveys\, with several ongoing and upcoming very ambitious projects. We have already learned a great deal about the early universe and put strong constraints on particle physics extensions to the standard model\, also collecting large catalogs of strong gravitational lens systems and massive clusters of galaxies\, and learning a great deal about the growth of large scale structure in the universe. Ongoing and future experiments will continue to probe the early universe\, collect larger catalogs of interesting lenses and clusters\, and more carefully chart large scale structure\, while also opening new windows on solar system science\, transient events\, and multi messenger astronomy. These surveys are more widely known as “cosmic microwave background experiments.”
URL:https://rpm.physics.lbl.gov/event/gilbert-holder-u-illinois-urbana-champaign-tba/
LOCATION:INPA Common Room (50-5026)\, 50-5026
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190516T160000
DTEND;TZID=America/Los_Angeles:20190516T170000
DTSTAMP:20260527T075202
CREATED:20190404T132700Z
LAST-MODIFIED:20190404T132700Z
UID:1053-1558022400-1558026000@rpm.physics.lbl.gov
SUMMARY:Tomasz Skwarnicki (Syracuse) "Observation of New Pentaquark States and Other Exotic Hadrons"
DESCRIPTION:ABSTRACT:\nThe LHCb experiment has just discovered new narrow pentaquark states decaying to J/psi p\, which shed more light into the nature of the J/psi p structures reported by LHCb in Lambda_b decays four years ago. We will describe these results in a broader context of experimental evidence for multiquark states with more than minimal quark content. Future experimental prospects will be outlined.
URL:https://rpm.physics.lbl.gov/event/tomasz-skwarnicki-syracuse-tba/
LOCATION:HYBRID 50A-5132 (Sessler Conference Room)\, https://lbnl.zoom.us/j/91782268585\, 50A-5132
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BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20190528T160000
DTEND;TZID=America/Los_Angeles:20190528T170000
DTSTAMP:20260527T075202
CREATED:20190521T135344Z
LAST-MODIFIED:20190521T135344Z
UID:1068-1559059200-1559062800@rpm.physics.lbl.gov
SUMMARY:Paula Alvarez Cartelle (Imperial College London) “Search for lepton flavour universality violation in B+→K+ℓ+ℓ− decays at LHCb”
DESCRIPTION:Abstract:\n“Recent measurements of observables involving the flavour changing neutral current transition b→sμ+μ− have shown an interesting pattern of tensions with respect to the predictions of the Standard Model (SM). However\, the interpretation of these results is limited by our present understanding of the hadronic uncertainties affecting these predictions. Given the lepton-flavour-universal nature of the SM\, observables such as RK=BR(B+→K+μ+μ−)/BR(B+→K+e+e−)\, so-called Lepton Flavour Universality ratios\, profit from large cancellation of the theory uncertainties and provide a very sensitive probe for physics beyond the SM.\nThe previous measurement of the ratio RK performed by the LHCb collaboration\, using Run 1 data\, found a value compatible with the SM expectation at the 2.6σ level. In this seminar\, a new measurement of RK at the LHCb experiment will be presented. The new measurement reanalyses the data recorded by LHCb during Run 1\, and adds data collected during 2015 and 2016. The total dataset is double the size of that previously analysed.”
URL:https://rpm.physics.lbl.gov/event/paula-alvarez-cartelle-imperial-college-london-tba/
LOCATION:HYBRID 50A-5132 (Sessler Conference Room)\, https://lbnl.zoom.us/j/91782268585\, 50A-5132
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