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액시온 및 극한상호작용 연구단
액시온 및 극한상호작용 연구단
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Analysis method for detecting topological defect dark matter with a global magnetometer network

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Title
Analysis method for detecting topological defect dark matter with a global magnetometer network
Author(s)
Masia-Roig H.; Smiga J.A.; Budker D.; Dumont V.; Grujic Z.; Dongok Kim; Jackson Kimball D.F.; Lebedev V.; Monroy M.; Pustelny S.; Scholtes T.; Segura P.C.; YannisK.Semertzidis; YunChangShin; Stalnaker J.E.; Sulai I.; Weis A.; Wickenbrock A.
Publication Date
2020-05
Journal
PHYSICS OF THE DARK UNIVERSE, v.28, no., pp.100494 -
Publisher
ELSEVIER SCIENCE BV
Abstract
© 2020The Global Network of Optical Magnetometers for Exotic physics searches (GNOME) is a network of time-synchronized, geographically separated, optically pumped atomic magnetometers that is being used to search for correlated transient signals heralding exotic physics. GNOME is sensitive to exotic couplings of atomic spins to certain classes of dark matter candidates, such as axions. This work presents a data analysis procedure to search for axion dark matter in the form of topological defects: specifically, walls separating domains of discrete degenerate vacua in the axion field. An axion domain wall crossing the Earth creates a distinctive signal pattern in the network that can be distinguished from random noise. The reliability of the analysis procedure and the sensitivity of the GNOME to domain-wall crossings are studied using simulated data
URI
https://pr.ibs.re.kr/handle/8788114/6974
ISSN
2212-6864
Appears in Collections:
Center for Axion and Precision Physics Research(액시온 및 극한상호작용 연구단) > Journal Papers (저널논문)
Files in This Item:
2. [PDF] Analysis method for detecting topological defect dark matter with a global magnetometer network_IBS, KAIST 소속표기.pdfDownload

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