MEOP based 3He polarization and injection system for experiments below 1 K
Por:
Rao T., Barrón-Palos L., Berkutov I., Crawford C.B., Golub R., Huffman P., Konieczny M., Korobkina E., Reid A., Salazar-Ángeles B., Smith C., Tat R., Zanatta-Martínez T.
Publicada:
1 ene 2025
Resumen:
Metastability exchange optical pumping (MEOP) is a widely used technique for producing polarized 3He. In connection with an experiment to search for the electric dipole moment of the neutron (nEDM) we have built a MEOP based 3He polarization and injection system to prepare 80 % polarized 3He at room temperature which will be injected into a ~ 400 mK measurement cell filled with superfluid 4He. We describe the polarization and injection system, which is designed to allow for final concentrations of 10-8-10-10 of 80% polarized 3He in the superfluid filled measurement cell. Only ˜ 0.72% polarization loss due to gradients is expected during injection © 2025 The Author(s)
Filiaciones:
Rao T.:
Department of Physics, North Carolina State University, NC, Raleigh, 27695, United States
Barrón-Palos L.:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, 01000, Mexico
Berkutov I.:
Department of Physics, North Carolina State University, NC, Raleigh, 27695, United States
Crawford C.B.:
Department of Physics and Astronomy, University of Kentucky, KY, Lexington, 40506, United States
Golub R.:
Department of Physics, North Carolina State University, NC, Raleigh, 27695, United States
Huffman P.:
Department of Physics, North Carolina State University, NC, Raleigh, 27695, United States
Konieczny M.:
Department of Physics and Astronomy, Ithaca College, NY, Ithaca, 14850, United States
Korobkina E.:
Department of Physics, North Carolina State University, NC, Raleigh, 27695, United States
Reid A.:
Department of Physics, Tennessee Tech University, TN, Cookeville, 38505, United States
Salazar-Ángeles B.:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, 01000, Mexico
Smith C.:
Department of Physics and Astronomy, University of Kentucky, KY, Lexington, 40506, United States
Tat R.:
Department of Physics, North Carolina State University, NC, Raleigh, 27695, United States
Zanatta-Martínez T.:
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, 01000, Mexico
hybrid, All Open Access; Hybrid Gold Open Access
|