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NPAC (Nuclear/Particle/Astro/Cosmo) Forums

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Organized by: Prof. Kimberley Palladino


Events During the Week of April 7th through April 14th, 2019

Monday, April 8th, 2019

No events scheduled

Tuesday, April 9th, 2019

No events scheduled

Wednesday, April 10th, 2019

No events scheduled

Thursday, April 11th, 2019

High-energy emissions from neutron star mergers
Time: 2:00 pm
Place: 4274 Chamberlin Hall
Speaker: Shigeo Kimura, PennState
Abstract: Last year, LIGO-VIRGO collaborations reported detection of the first neutron star merger event, GW170817, which accompanied with observations of electromagnetic counterparts from radio to gamma rays. High-energy gamma rays and neutrinos were not observed. However, the mergers of neutron stars are expected to produce these high-energy particles. Relativistic jets are expected to be launched when the neutron stars merge, which can be a source of high-energy neutrinos. Also, the central remnant object after the merger event, either a black hole or a neutron star, can produce high-energy photons weeks to months after the merger. In addition, the neutron star mergers produce massive and fast ejecta, which can be a source of Galactic high-energy cosmic rays, analogous to supernova remnants. In this talk, I will discuss these high-energy processes and prospects for multi-messenger detections related to the neutron star mergers .
Host: Francis Halzen
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Friday, April 12th, 2019

No events scheduled
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