no code implementations • 12 Feb 2022 • Vincent Dumont, Trevor A. Bowen, Roger Roglans, Gregory Dobler, Mohit S. Sharma, Andy Karpf, Stuart D. Bale, Arne Wickenbrock, Elena Zhivun, Tom Kornack, Jonathan S. Wurtele, Dmitry Budker
We present a comparative analysis of urban magnetic fields between two American cities: Berkeley (California) and Brooklyn Borough of New York City (New York).
no code implementations • 12 Mar 2021 • Rui Zhang, Emmanuel Klinger, Felipe Pedreros Bustos, Alexander Akulshin, Hong Guo, Arne Wickenbrock, Dmitry Budker
Stand-off magnetometry allows measuring magnetic field at a distance, and can be employed in geophysical research, hazardous environment monitoring, and security applications.
Atomic Physics
no code implementations • 10 Mar 2021 • Jim C. Visschers, Dmitry Budker, Lykourgos Bougas
Furthermore, we demonstrate that autoencoder networks are able to achieve signal analysis, and, hence, parameter extraction, at rates of 75 kHz, orders-of-magnitude faster than conventional techniques with similar precision.
no code implementations • 22 Feb 2021 • Xue Zhang, Georgios Chatzidrosos, Yinan Hu, Huijie Zheng, Arne Wickenbrock, Alexej Jerschow, Dmitry Budker
Sensitive and accurate diagnostic technologies with magnetic sensors are of great importance for identifying and localizing defects of rechargeable solid batteries in a noninvasive detection.
Applied Physics
no code implementations • 15 Feb 2021 • Kirill F. Sheberstov, Liubov Chuchkova, Yinan Hu, Ivan V. Zhukov, Alexey S. Kiryutin, Artur V. Eshtukov, Dmitry A. Cheshkov, Danila A. Barskiy, John W. Blanchard, Dmitry Budker, Konstantin L. Ivanov, Alexandra V. Yurkovskaya
In most cases, CIDNP experiments are performed at a high magnetic field and the sample is irradiated by the light inside a nuclear magnetic resonance (NMR) spectrometer.
Chemical Physics
no code implementations • 2 Feb 2021 • Min Jiang, Haowen Su, Antoine Garcon, Xinhua Peng, Dmitry Budker
Here, we demonstrate a new quantum sensor to search for ALPs in the mass range that spans about two decades from 8. 3 feV to 744 feV.
High Energy Physics - Phenomenology Atomic Physics Quantum Physics
no code implementations • 11 Jan 2021 • Antoine Garcon, Julian Vexler, Dmitry Budker, Stefan Kramer
We show that, because DNNs can find useful abstract feature representations, they can be used when prior knowledge about the signal-generating process exists, but is not complete, as it is particularly the case in "new-physics" searches.
no code implementations • 4 Jan 2021 • Deniz Aybas, Janos Adam, Emmy Blumenthal, Alexander V. Gramolin, Dorian Johnson, Annalies Kleyheeg, Samer Afach, John W. Blanchard, Gary P. Centers, Antoine Garcon, Martin Engler, Nataniel L. Figueroa, Marina Gil Sendra, Arne Wickenbrock, Matthew Lawson, Tao Wang, Teng Wu, Haosu Luo, Hamdi Mani, Philip Mauskopf, Peter W. Graham, Surjeet Rajendran, Derek F. Jackson Kimball, Dmitry Budker, Alexander O. Sushkov
We calibrated the detector and characterized the excitation spectrum and relaxation parameters of the nuclear spin ensemble with pulsed magnetic resonance measurements in a 4. 4 T magnetic field.
High Energy Physics - Experiment Other Condensed Matter Instrumentation and Detectors
no code implementations • 2 Dec 2020 • Dionysios Antypas, Oleg Tretiak, Ke Zhang, Antoine Garcon, Gilad Perez, Mikhail G. Kozlov, Stephan Schiller, Dmitry Budker
We discuss the WReSL experiment, report on progress towards improved measurements of rapid fundamental constant variations, and discuss the planned extension of the work to molecules, in which rapid variations of the nuclear mass can be sensitively searched for.
Atomic Physics High Energy Physics - Phenomenology
no code implementations • 14 Oct 2020 • Victor V. Flambaum, Junlan Jin, Dmitry Budker
We present a possibility of direct resonance production of pionic atoms (Coulomb bound states of a negative pion and a nucleus) with a rate of up to $\sim10^{10}$ per second using the gamma-ray beams from the Gamma Factory.
Nuclear Experiment Nuclear Theory Atomic Physics
no code implementations • 9 Dec 2019 • Abhishek Banerjee, Dmitry Budker, Joshua Eby, Victor V. Flambaum, Hyungjin Kim, Oleksii Matsedonskyi, Gilad Perez
We discuss the sensitivity of the present and near-future axion dark matter experiments to a halo of axions or axion-like particles gravitationally bound to the Earth or the Sun.
High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Atomic Physics
no code implementations • 25 Sep 2019 • Geoffrey Z. Iwata, Yinan Hu, Tilmann Sander, Muthuraman Muthuraman, Venkata Chaitanya Chirumamilla, Sergiu Groppa, Dmitry Budker, Arne Wickenbrock
Objective: We present magnetomyograms (MMG) of TMS-evoked movement in a human hand, together with a simultaneous surface electromyograph (EMG) and electroencephalograph (EEG) data.
no code implementations • 31 May 2019 • Gary P. Centers, John W. Blanchard, Jan Conrad, Nataniel L. Figueroa, Antoine Garcon, Alexander V. Gramolin, Derek F. Jackson Kimball, Matthew Lawson, Bart Pelssers, Joseph A. Smiga, Alexander O. Sushkov, Arne Wickenbrock, Dmitry Budker, Andrei Derevianko
Numerous theories extending beyond the standard model of particle physics predict the existence of bosons that could constitute the dark matter (DM) permeating the universe.
Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology Atomic Physics
no code implementations • 12 Feb 2019 • Antoine Garcon, John W. Blanchard, Gary P. Centers, Nataniel L. Figueroa, Peter W. Graham, Derek F. Jackson Kimball, Surjeet Rajendran, Alexander O. Sushkov, Yevgeny V. Stadnik, Arne Wickenbrock, Teng Wu, Dmitry Budker
The nature of dark matter, the invisible substance making up over $80\%$ of the matter in the Universe, is one of the most fundamental mysteries of modern physics.
High Energy Physics - Experiment Atomic Physics Chemical Physics
no code implementations • 30 Jan 2019 • Teng Wu, John W. Blanchard, Gary P. Centers, Nataniel L. Figueroa, Antoine Garcon, Peter W. Graham, Derek F. Jackson Kimball, Surjeet Rajendran, Yevgeny V. Stadnik, Alexander O. Sushkov, Arne Wickenbrock, Dmitry Budker
We report the results of a search for axionlike dark matter using nuclear magnetic resonance (NMR) techniques.
High Energy Physics - Experiment High Energy Physics - Phenomenology