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Related papers: Design and performance of an absolute $^3$He/Cs ma…

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We discuss techniques for probing the effects of a constant force acting on cold atoms using two configurations of a grating echo-type atom interferometer. Laser-cooled samples of $^{85}$Rb with temperatures as low as 2.4 $\mu$K have been…

Atomic Physics · Physics 2013-02-05 B. Barrett , I. Chan , A. Kumarakrishnan

Electric Dipole Moments (EDMs) of subatomic particles, are considered as one of the most powerful tools to study CP-violation beyond the Standard Model. Such CP-violating mechanisms are searched for to explain the dominance of matter over…

High Energy Physics - Experiment · Physics 2022-03-24 Joerg Pretz

A laboratory has been set up at the Kuo-Sheng Nuclear Power Station at a distance of 28 m from the 2.9 GW reactor core to study low energy neutrino physics. A detector threshold of 5 keV and a background level of 1 counts/day-keV-kg at…

High Energy Physics - Experiment · Physics 2009-09-29 H. B. Li , TEXONO Collaboration

High magnetic fields (> 1 T) are measured by NMR magnetometers with un-rivaled precision if the precessing spin sample provides long coherence times. The longest coherence times are found in diluted ${}^{3}$He samples, which can be…

Instrumentation and Detectors · Physics 2016-01-20 Andreas Maul , Peter Blümler , Werner Heil , Anna Nikiel , Ernst Otten , Andreas Petrich , Thomas Schmidt

This paper presents a compact low-temperature atomic vector magnetometer for weak field measurements, using an atomic cell containing two orthogonal multipass cavities. At the working temperature of 75 $^\circ$C, the magnetic field…

Atomic Physics · Physics 2023-03-09 Siqi Liu , Qianqian Yu , Hao Zhou , Dong Sheng

We demonstrate an element-specific measurement of magnetization precession in a metallic ferromagnetic alloy, separating Ni and Fe moment motion in Ni81Fe19. Pump-probe X-ray magnetic circular dichroism (XMCD), synchronized with short…

Materials Science · Physics 2007-05-23 W. E. Bailey , L. Cheng , D. Keavney , C. -C. Kao , E. Vescovo , D. Arena

The recent observation of single spins flips with a single proton in a Penning trap opens the way to measure the proton magnetic moment with high precision. Based on this success, which has been achieved with our apparatus at the University…

A generalized approach derived from Blochs equation of motion of nuclear magnetic moments is presented to model the frequency, magnetic field, spin density, and temperature dependencies in the electromagnetic permeability tensor for…

A measurement using a one-electron quantum cyclotron gives the electron magnetic moment in Bohr magnetons, g/2 = 1.001 159 652 180 73 (28) [0.28 ppt], with an uncertainty 2.7 and 15 times smaller than for previous measurements in 2006 and…

Atomic Physics · Physics 2015-03-13 D. Hanneke , S. Fogwell , G. Gabrielse

The CSR External-target Experiment (CEE) is a large-scale spectrometer under construction at the Heavy Ion Research Facility in Lanzhou (HIRFL) for studying the phase structure of nuclear matter at high baryon density and the equation of…

Instrumentation and Detectors · Physics 2024-09-04 Yuquan Chen , Wei You , Jiaqi Lu , Yujin Tong , Luncai Zhou , Beimin Wu , Enming Mei , Wentian Feng , Xianjin Ou , Wei Wu , Qinggao Yao , Peng Yang , Yuhong Yu , Zhiyu Sun

Electron paramagnetic resonance (EPR) performed with a scanning tunneling microscope (STM) allows for probing the spin excitation of single atomic species with MHz energy resolution. One of the basic applications of conventional EPR is the…

Mesoscale and Nanoscale Physics · Physics 2021-11-10 Tom S. Seifert , Stepan Kovarik , Pietro Gambardella , Sebastian Stepanow

Capacitance measurements are crucial for probing the electrical properties of materials. In this study, we develop and implement a capacitance measurement technique optimized for pulsed magnetic fields. Our approach employs an…

Self-compensated comagnetometers, employing overlapping samples of spin-polarized alkali and noble gases (for example K-$^3$He) are promising sensors for exotic beyond-the-standard-model fields and high-precision metrology such as rotation…

We have developed a new calorimeter for measuring thermodynamic properties in pulsed magnetic fields. An instrumental design is described along with the construction details including the sensitivity of a RuO2 thermometer. The operation of…

Instrumentation and Detectors · Physics 2021-04-14 Shusaku Imajo , Chao Dong , Akira Matsuo , Koichi Kindo , Yoshimitsu Kohama

Magnetic resonance of sodium fluorescence is studied with varying laser intensity, duty cycle, and field strength. A magnetometer based on sodium vapor cell filled with He buffer gas is demonstrated, which uses a single amplitude-modulated…

Optics · Physics 2018-02-14 Tingwei Fan , Lei Zhang , Xuezong Yang , Shuzhen Cui , Tianhua Zhou , Yan Feng

Systematically magnetic and magnetothermal measurements at temperatures down to 2 K and magnetic fields up to 13.5 Tesla for Gd(OH)3 Single Crystal Nanowires - Quasi-1D Large Spin (S = -7/2) Chain Antiferromagnet have been conducted. We…

Materials Science · Physics 2012-07-16 R. Zeng , C. F. Zhang , J. C. Debnath , P. Shamba , J. L. Wang , Z. X. Chen , Z. P. Guo , S. X. Dou

We present a new design of highly specialized small storage rings for low energy polarized electron beams. The new design is based on the transparent spin methodology that cancels the spin precession due to the magnetic dipole moment at any…

Accelerator Physics · Physics 2023-08-09 R. Suleiman , V. S. Morozov , Ya. S. Derbenev

We demonstrate theoretically that by placing a ferromagnetic particle between a nitrogen-vacancy (NV) magnetometer and a target spin, the magnetometer sensitivity is increased dramatically. Specifically, using materials and techniques…

Mesoscale and Nanoscale Physics · Physics 2015-11-16 Luka Trifunovic , Fabio L. Pedrocchi , Silas Hoffman , Patrick Maletinsky , Amir Yacoby , Daniel Loss

Scalar atomic magnetometers have many attractive features but their sensitivity has been relatively poor. We describe a Rb scalar gradiometer using two multi-pass optical cells. We use a pump-probe measurement scheme to suppress…

Atomic Physics · Physics 2015-06-11 D. Sheng , S. Li , N. Dural , M. V. Romalis

In-field DC and AC magnetization measurements were carried out on a sigma-phase Fe55Re45 intermetallic compound aimed at determination of the magnetic phase diagram in the H-T plane. Field cooled, M_FC, and zero-field cooled, M_ZFC, DC…

Strongly Correlated Electrons · Physics 2020-01-08 Stanislaw M. Dubiel , Israel Felner , Menahem I. Tsindlekht