BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//INPA - ECPv6.8.3//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-ORIGINAL-URL:https://inpa.lbl.gov
X-WR-CALDESC:Events for INPA
REFRESH-INTERVAL;VALUE=DURATION:PT1H
X-Robots-Tag:noindex
X-PUBLISHED-TTL:PT1H
BEGIN:VTIMEZONE
TZID:America/Los_Angeles
BEGIN:DAYLIGHT
TZOFFSETFROM:-0800
TZOFFSETTO:-0700
TZNAME:PDT
DTSTART:20210314T100000
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:-0700
TZOFFSETTO:-0800
TZNAME:PST
DTSTART:20211107T090000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211203T120000
DTEND;TZID=America/Los_Angeles:20211203T130000
DTSTAMP:20260428T151619
CREATED:20211124T152714Z
LAST-MODIFIED:20211125T010917Z
UID:1119-1638532800-1638536400@inpa.lbl.gov
SUMMARY:VIRTUAL INPA SEMINAR | Phillipp Windischofer (University of Oxford)
DESCRIPTION:Location: via Zoom \nSpeaker: Phillipp Windischofer (University of Oxford) \nTitle: Detectors for Physics and Physics For Detectors \nAbstract: \nPowerful instrumentation has been a key enabler for many discoveries at the forefront of fundamental physics\, from gravitational waves to the Higgs boson. In this seminar\, I will argue that the converse is also true. I will show that applying established tools from physics to the study of particle detectors is a compelling strategy for identifying synergies and moving beyond the current boundaries of our instrumentation.\n \nStarting from classical electrodynamics\, I will explain how reciprocity relations give rise to a rigorous description of the electrical signals induced in detectors by moving charged particles\, and how this opens up new possibilities for the simulation of radio arrays for neutrino detection. Continuing with many-body quantum mechanics\, I will then highlight how Fock-space methods can be used to characterise the time resolution of single-photon avalanche diodes (SPADs). Taken together\, these calculations suggest that SPADs can also act as fast detectors for charged particles\, and I will end by presenting the first results from a recent beam test at the CERN SPS that demonstrate this capability.\n \nJoin Zoom Meeting\n https://lbnl.zoom.us/j/93457647521 \nMeeting ID: 934 5764 7521
URL:https://inpa.lbl.gov/event/virtual-inpa-seminar-phillipp-windischoferuniversity-of-oxford/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211210T120000
DTEND;TZID=America/Los_Angeles:20211210T130000
DTSTAMP:20260428T151619
CREATED:20211203T042640Z
LAST-MODIFIED:20211203T042640Z
UID:1123-1639137600-1639141200@inpa.lbl.gov
SUMMARY:VIRTUAL INPA SEMINAR | Chiara Salemi (MIT)
DESCRIPTION:Location: via Zoom \nSpeaker: Chiara Salemi (Massachusettes Institute of Technology) \nTitle: Seeing the Invisible: Search for Low-Mass Axion Dark Matter \nAbstract: \nMultiple astrophysical and cosmological observations have shown that the visible matter described by the Standard Model is only a small fraction of the energy in the universe. We believe that there is about five times as much dark matter\, which is likely comprised of massive particles that interact very little or not at all with other matter. One of the most well-motivated candidates to be the dark matter is the axion\, a hypothetical particle that is predicted by the solution to another long-standing mystery in physics\, the strong CP problem. This talk presents ABRACADABRA-10 cm\, the first direct search for low-mass axion dark matter\, which used an innovative lumped element detection method. This prototype experiment set world-leading limits on axions and set the stage for the DOE-funded DMRadio program\, a series of larger detectors that will be capable of finding axions or definitively excluding them over a large range of masses below 1 μeV. \nJoin Zoom Meeting \nhttps://lbnl.zoom.us/j/93849799393 \nMeeting ID: 938 4979 9393
URL:https://inpa.lbl.gov/event/virtual-inpa-seminar-chiara-salemi-mit/
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20211217T120000
DTEND;TZID=America/Los_Angeles:20211217T130000
DTSTAMP:20260428T151619
CREATED:20211213T125834Z
LAST-MODIFIED:20211213T125834Z
UID:1131-1639742400-1639746000@inpa.lbl.gov
SUMMARY:VIRTUAL INPA SEMINAR | Jason Sun (CalTech )
DESCRIPTION:Speaker: Jason Sun (CalTech) \nTitle: Understanding the Cosmological Evolution of Galaxies with Intensity Mapping  \nAbstract: \nThe intensity mapping (IM) technique has been devised as a powerful tool to investigate the formation/evolution of the large scale structure and galaxies\, alternative and complementary to the more traditional means relying on galaxy detection. In the high-redshift universe\, in particular\, synergies of multiple IM tracers have been widely perceived as a promising way of revealing the connection between the emergence of first stars and galaxies and the reionization\, a still mysterious chapter of cosmic history that even the JWST might not fully elucidate. I will present two main themes of my research on applications of the IM technique to understand the cosmological evolution of galaxies. On the experimental side\, I will introduce the analysis and forecasting work I led for the Tomographic Ionized-carbon Mapping Experiment (TIME). TIME is a novel imaging spectrometer array recently commissioned that pioneers the quest for measuring large-scale intensity fluctuations of the 158-micron [CII] line emission redshifted from the epoch of reionization\, which serves an ideal probe of ongoing cosmic star formation that sources the hydrogen-ionizing radiation background. I will discuss how TIME\, with an optimization of survey strategy\, can inform us about the reionization on its own and through synergies with other probes like galaxy surveys. I will also discuss challenges and opportunities arising from low-redshift “line interlopers”\, namely rotational CO lines at z ≈ 0.5 to 2 for TIME\, which require some exquisite cleaning strategy to be removed but at the same time allow a census of the molecular gas content of galaxies near the “cosmic high noon”. On the theory side\, I will introduce LIMFAST\, a fast\, semi-numerical simulation developed to physically and self-consistently simulate a large set of high-redshift line-intensity mapping (LIM) data in different frequency regimes\, including tracers of neutral gas (e.g.\, HI 21cm) and star-forming galaxies (e.g.\, Lyα\, [CII]). I will elaborate on the scientific applications of LIMFAST to simulate multi-tracer LIM observations of high-redshift galaxies and their interplay with the intergalactic medium during reionization. Particular emphases will be on (1) how various LIM signals\, such as Hα\, Lyα and [CII]\, and their cross-correlations with the HI 21cm signal\, may be affected by the astrophysics governing galaxy formation\, such as feedback and star formation laws; and (2) how these astrophysical processes may be studied with future LIM experiments to deepen our understanding of high-redshift galaxy populations from both observational and theoretical perspectives. \n\nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/98739327626\nMeeting ID: 987 3932 7626
URL:https://inpa.lbl.gov/event/virtual-inpa-seminar-jason-sun-caltech/
END:VEVENT
END:VCALENDAR