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X-ORIGINAL-URL:https://rpm.physics.lbl.gov
X-WR-CALDESC:Events for LBNL Physics Division Research Progress Meetings
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DTSTART:20220101T000000
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BEGIN:VEVENT
DTSTART;TZID=UTC:20221206T120000
DTEND;TZID=UTC:20221206T130000
DTSTAMP:20260421T123949
CREATED:20221129T222902Z
LAST-MODIFIED:20221129T225435Z
UID:2064-1670328000-1670331600@rpm.physics.lbl.gov
SUMMARY:SPEAKER: Anne Fortman – Harvard – TITLE: Searching for massive new particles using ionization energy loss and time of flight at ATLAS
DESCRIPTION:This is an IN-PERSON Event \nLocation: Sessler Conference Room – 50A-5132 \nTITLE: Searching for massive new particles using ionization energy loss and time of flight at ATLAS \nABSTRACT: \nDuring Run 2\, the LHC achieved collisions with a center-of-mass energy of 13 TeV\, potentially allowing us to produce new fundamental particles of higher masses than ever before. Using ionization energy loss and time-of-flight\, we can reconstruct the mass of heavy new particles predicted in a variety of models. In this talk\, we discuss the excess seen in the first-wave effort of a search using the Run 2 dataset at ATLAS\, and introduce an expanded search including time-of-flight. We present future prospects and discuss the hardware upgrades necessary to continue searching for new physics at the High Luminosity LHC. \n\nZOOM Information – \n\nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/91782268585\nMeeting ID: 917 8226 8585
URL:https://rpm.physics.lbl.gov/event/speaker-anne-fortman-harvard-title-searching-for-massive-new-particles-using-ionization-energy-loss-and-time-of-flight-at-atlas/
LOCATION:HYBRID 50A-5132 (Sessler Conference Room)\, https://lbnl.zoom.us/j/91782268585\, 50A-5132
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BEGIN:VEVENT
DTSTART;TZID=UTC:20221206T160000
DTEND;TZID=UTC:20221206T170000
DTSTAMP:20260421T123949
CREATED:20221129T225152Z
LAST-MODIFIED:20221201T181228Z
UID:2071-1670342400-1670346000@rpm.physics.lbl.gov
SUMMARY:SPEAKER: Maria Martinez-Casales – Iowa State University – TITLE: Constraining neutrino interaction incertainties for oscillation measurements in NOvA
DESCRIPTION:This is an IN-PERSON Event \nLocation: Sessler Conference Room – 50A-5132 \nTITLE: Constraining neutrino interaction incertainties for oscillation measurements in NOvA \nABSTRACT: \nThe NuMI Off-Axis Neutrino Appearance (NOvA) experiment is an 810 km baseline neutrino oscillation experiment measuring the fundamental properties of neutrinos and antineutrinos\, using the high statistics data from the Near Detector (ND) at Fermilab to produce predictions for the Far Detector (FD) in Minnesota. The expected neutrino spectrum is simulated using GENIE\, with the neutrino cross section model adjusted to better describe the ND data by modifying the rate of Meson Exchange Current (MEC) interactions and the Final State Interactions. In measurements published so far\, NOvA has compared the Far Detector data to an energy spectrum obtained from a data-driven prediction method based Near Detector (ND) data called extrapolation. This talk presents an alternate approach that directly constrains physics model parameters in the NOvA simulation using the ND data. The neutrino and antineutrino simulation is divided into subsets based on the multiplicity and topology of visible particles. These samples have meaningful features that are used to constrain the neutrino interaction model and flux parameters using Poisson maximum likelihood fitting procedure. This work shows the fitting method effectively constrains the model uncertainties with pseudodata generated by randomly varying physics parameters in the ND simulation. This is an initial step towards achieving a full analysis that includes the physics model parameters constraint from the ND data fit to measure the neutrino oscillation parameters. \nZOOM Information – \n\nJoin Zoom Meeting\nhttps://lbnl.zoom.us/j/91782268585\nMeeting ID: 917 8226 8585
URL:https://rpm.physics.lbl.gov/event/speaker-maria-martinez-casales-univ-of-oxford-title-constraining-neutrino-interaction-incertainties-for-oscillation-measurements-in-nova/
LOCATION:HYBRID 50A-5132 (Sessler Conference Room)\, https://lbnl.zoom.us/j/91782268585\, 50A-5132
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