<?xml version="1.0" encoding="UTF-8"?> <references> <reference> <a1>Miyazaki, A</a1> <a2>Lofnes, T</a2> <a2>Caspers, F</a2> <a2>Spagnolo, P</a2> <a2>Jelonnek, J</a2> <a2>Ruess, T</a2> <a2>Steinmann, J L</a2> <a2>Thumm, M</a2> <t1>Ultra narrowband detection scheme for dark photon / axion around 30 GHz</t1> <t2/> <sn/> <op/> <vo/> <ab>We demonstrated that ultra narrowband filtering at 30 GHz dramatically enhances the signal-to-noise ratio to search for dark matter candidates which couple to millimeter waves. A coherent signal relatively locked between a synthesizer and a signal analyzer can be clearly distinguished from incoherent blackbody radiation after real time FFT over a long period. We propose a novel experiment for studying dark matter candidates.</ab> <la>eng</la> <k1>Filtering; Dark matter; Synthesizers; Real-time systems; Narrowband; Signal to noise ratio; Photonics; axions; blackbody radiation; dark matter; photons; axion; dark photon; millimeter waves; incoherent blackbody radiation; signal analyzer; coherent signal; dark matter candidates; signal-to-noise ratio; ultra narrowband detection scheme; frequency 30.0 GHz; </k1> <pb/> <pp/> <yr>2022</yr> <ed/> <ul/> <no>Imported from Invenio.</no> </reference> </references>