The Korean Physical Society 06130 22, Teheran-ro 7-gil, Gangnam-gu, Seoul, Republic of Korea 610 Representation : Suk Lyun HONG TEL: 02-556-4737 FAX: 02-554-1643 E-mail : webmaster@kps.or.kr Copyright(C) KPS, All rights reserved.
30 May 2022 to 4 June 2022
Virtual Seoul
Asia/Seoul timezone

Phased Array Signal Reconstruction Algorithms for Free-Space CRES Neutrino Mass Measurement

Not scheduled
20m
Virtual Seoul

Virtual Seoul

Poster Neutrino mass Poster

Description

Project 8 is a scientific collaboration developing next-generation technology for neutrino mass direct measurement, based on precision measurement of the cyclotron frequency of tritium $\beta$-decay electrons trapped in a magnetic field, known as Cyclotron Radiation Emission Spectroscopy or CRES. The measured cyclotron frequency is directly related to the $\beta$-decay energy, which is used to construct the decay energy spectrum from which a measurement of the neutrino mass can be made. Project 8’s goal neutrino mass sensitivity will require a CRES experiment performed in a multi-cubic meter volume of tritium gas in order to reach sufficient statistics in the spectrum endpoint region. To meet these requirements Project 8 has been developing technologies to detect single electrons in a large, free-space volume using a portion of the total radiated power (<1fW). One of these technologies consists of a multi-channel phased antenna array which surrounds the tritium gas in order to collect the cyclotron radiation emitted by magnetically trapped electrons. In my poster I will summarize the signal reconstruction algorithms that Project 8 is developing which use the antenna array to detect and reconstruct the signals from individual electrons in free space. These include a unique phased array beamforming algorithm, which uses time-dependent phases to track the position of individual electrons in the magnetic trap to boost the received SNR; as well as, a template based matched filtering search, which has the potential to significantly increase the detection efficiency of free-space CRES compared to more traditional approaches.

This work is supported by the US DOE Office of Nuclear Physics, the US NSF, the PRISMA+ Cluster of Excellence at the University of Mainz, and internal investments at all institutions.

Collaboration Project 8

Primary author

Andrew Ziegler (Penn State)

Presentation materials