Search for Dark Matter Decaying to Two Displaced Muons Produced in Proton-proton Collisions at 13 TeV with the CMS Detector, and for Dark Photons Produced in Electron-positron Fixed-target Collisions at 500 MeV with the PADME Detector

Search for Dark Matter Decaying to Two Displaced Muons Produced in Proton-proton Collisions at 13 TeV with the CMS Detector, and for Dark Photons Produced in Electron-positron Fixed-target Collisions at 500 MeV with the PADME Detector
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Total Pages : 319
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ISBN-10 : OCLC:1246214329
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Book Synopsis Search for Dark Matter Decaying to Two Displaced Muons Produced in Proton-proton Collisions at 13 TeV with the CMS Detector, and for Dark Photons Produced in Electron-positron Fixed-target Collisions at 500 MeV with the PADME Detector by : Andre Sterenberg Frankenthal

Download or read book Search for Dark Matter Decaying to Two Displaced Muons Produced in Proton-proton Collisions at 13 TeV with the CMS Detector, and for Dark Photons Produced in Electron-positron Fixed-target Collisions at 500 MeV with the PADME Detector written by Andre Sterenberg Frankenthal and published by . This book was released on 2020 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two novel searches for dark matter using particle accelerators are presented. The first is a search for inelastically-coupled dark matter with the CMS detector at CERN, relying on 137 inverse femtobarns of proton-proton collision data collected at 13 TeV center-of-mass energy between 2016 and 2018. The search strategy exploits the striking signature expected of inelastic dark matter: a pair of displaced, soft, and narrow muons collimated with missing transverse momentum and recoiled off an initial-state radiation jet. This is the first search for inelastic dark matter at a hadron collider. The second experiment is PADME, a small-scale detector to search for dark photons located in Frascati, Italy. PADME seeks to detect the production of dark photons in positron-electron collisions with a stationary diamond target and a 500 MeV positron beam. The missing-mass technique employed in the experiment relies on constraining all four-momenta in the system except for the dark photon and looking for a bump in the resulting invariant mass distribution corresponding to the dark photon's mass. The projected sensitivity for both experiments is compared in the context of highlighting the need for a comprehensive experimental search program for dark matter. Both analyses expect first public results by the end of 2020.


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