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VERSION:2.0
CALSCALE:GREGORIAN
PRODID:UW-Madison-Physics-Events
BEGIN:VEVENT
SEQUENCE:1
UID:UW-Physics-Event-4693
DTSTART:20171128T203000Z
DTEND:20171128T213000Z
DTSTAMP:20240328T160606Z
LAST-MODIFIED:20171120T161640Z
LOCATION:4274 Chamberlin
SUMMARY:The Rise of the Leptons: Pulsar Emission Dominates the TeV Sky
\, NPAC (Nuclear/Particle/Astro/Cosmo) Forum\, Tim Linden\, CCAP\, Ohi
o State University
DESCRIPTION:Recent HAWC observations have found extended TeV emission
coincident
\nwith the Geminga and Monogem pulsars. In this
talk\, I will show that
\nthese detections have significa
nt implications for our understanding
\nof pulsar emission
. First\, the spectrum and intensity of these TeV
\nHalos
indicates that a large fraction of the pulsar spindown energy is
\nefficiently converted into electron-positron pairs. This prov
ides
\nobservational evidence supporting pulsar interpreta
tions of the rising
\npositron fraction observed by PAMELA
and AMS-02. Second\, the isotropic
\nnature of this emiss
ion provides a new avenue for detecting nearby
\npulsars w
ith radio beams that are not oriented towards Earth. Lastly\,
<
br>
\nI will show that the total emission from all unresolved pulsars<
br>
\nproduces the majority of the TeV gamma-ray flux observed
from the
\nMilky Way.
URL:https://www.physics.wisc.edu/events/?id=4693
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