The CERN Resonant WISP Search (CROWS)
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Beschreibung
The subject of this work is the design, implementation and first results of the "CERN Resonant WISP Search" (CROWS), which probes the existence of Axion Like Particles and Hidden Sector Photons (HSPs) using microwave techniques. By exploiting low loss cavity resonators, multiple layers of electromagnetic shielding and a micro-Hz bandwidth detection scheme, new exclusion limits could be set. For HSPs, sensitivity was improved by a factor of ~7 compared to previous laboratory experiments.
The subject of this work is the design, implementation and first results of the "CERN Resonant WISP Search" (CROWS), which probes the existence of Axion Like Particles and Hidden Sector Photons (HSPs) using microwave techniques. By exploiting low loss cavity resonators, multiple layers of electromagnetic shielding and a micro-Hz bandwidth detection scheme, new exclusion limits could be set. For HSPs, sensitivity was improved by a factor of ~7 compared to previous laboratory experiments.
Autor*in
Michael Betz
Themen in »The CERN Resonant WISP Search (CROWS)«
Axions Electromagnetic shielding Resonators and cavities Axion Like Particles elektromagnetische Abschirmung Narrow band signal detection Microwave photon regeneration Hohlraumresonatoren Mikrowellen Photonen Regeneration Schmalband-Signalerkennung