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DTSTART;TZID=America/New_York:20170424T160000
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SUMMARY:EPT Seminar
CREATED:20170412T191439Z
DTSTAMP:20170412T191439Z
URL:https://www.google.com/calendar/event?eid=YmtwMGRyMG1lNzdsY2Q3ZG44NXJlb3N1djAgbGJrNjYwYTc1YjhqaDdlazZqcjg0amZ1ZTBAZw
DESCRIPTION:Speaker: Prof. Maxim Perelstein\N\NSpeaker Institution: Cornell University\N\NTitle: SIMPs and ELDERs: New Ideas for Dark Matter\N \NAbstract: Dark Matter could reside in a hidden sector with gauge structure similar to the Standard Model. In particular, the hidden sector may include a non-Abelian gauge interaction with confinement scale around 100 MeV, similar to our QCD. Dark mesons, counterparts of the usual pions, kaons etc., can then play the role of dark matter. Such particles may experience strong number-changing self-interactions, similar to the 2K3pi scattering familiar in QCD. Intriguingly, such self-interactions can naturally produce a thermal relic abundance of dark mesons consistent with observations. In this talk we will explore two variations of this basic scenario, “Strongly-Interacting Massive Particle” (SIMP) and “Elastically-Decoupling Relic” (ELDER). We will discuss the basic features of each scenario, explicit models in which they may be realized, and their experimental signatures.
X-ALT-DESC;FMTTYPE=text/html:Speaker: Prof. Maxim Perelstein
Speaker Institution: Cornell University
Title: SIMPs and ELDERs: New Ideas for Dark Matter
Abstract: Dark Matter could reside in a hidden sector with gauge structure similar to the Standard Model. In particular, the hidden sector may include a non-Abelian gauge interaction with confinement scale around 100 MeV, similar to our QCD. Dark mesons, counterparts of the usual pions, kaons etc., can then play the role of dark matter. Such particles may experience strong number-changing self-interactions, similar to the 2K<->3pi scattering familiar in QCD. Intriguingly, such self-interactions can naturally produce a thermal relic abundance of dark mesons consistent with observations. In this talk we will explore two variations of this basic scenario, “Strongly-Interacting Massive Particle” (SIMP) and “Elastically-Decoupling Relic” (ELDER). We will discuss the basic features of each scenario, explicit models in which they may be realized, and their experimental signatures.
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