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Laser-driven capacitor coils are widely used to generate intense magnetic fields for various applications in high-energy-density physics research. Accurate measurement of the magnetic fields is essential but challenging, due to the…

A general description is given of Project 8, a new approach to measuring the neutrino mass scale via the beta decay of tritium. In Project 8, the energy of electrons emitted in beta decay is determined from the frequency of cyclotron…

The objective of the Majorana Experiment is to study neutrinoless double beta decay (0nbb) with an effective Majorana-neutrino mass sensitivity below 50 meV in order to characterize the Majorana nature of the neutrino, the Majorana mass…

Nuclear Experiment · Physics 2012-08-27 The Majorana collaboration

Neutrino oscillation experiments show that neutrinos have mass; however, the absolute mass scale is exceedingly difficult to measure and is currently unknown. A promising approach is to measure the energies of the electrons released during…

Instrumentation and Detectors · Physics 2024-01-09 Stafford Withington , Christopher Thomas , Songyuan Zhao

This work introduces a framework for simulating the electrical power consumption of an 8-seater electric aircraft equipped with high-energy-density NMC Lithium-ion cells. We propose an equivalent circuit model (ECM) to capture the thermal…

Systems and Control · Electrical Eng. & Systems 2024-08-30 Thomas Kuijpers , Jorn van Kampen , Theo Hofman

Sterile neutrinos in the mass range of a few keV are candidates for both cold and warm dark matter. An ad-mixture of a heavy neutrino mass eigenstate to the electron neutrino would result in a minuscule distortion - a 'kink' - in a…

High Energy Physics - Phenomenology · Physics 2015-03-05 S. Mertens , K. Dolde , M. Korzeczek , F. Glueck , S. Groh , R. D. Martin , A. W. P. Poon , M. Steidl

Trinity is a proposed air-shower imaging system optimized for the detection of earth-skimming ultrahigh energy tau neutrinos with energies between $10^7$ GeV and $10^{10}$ GeV. Trinity will pursue three major scientific objectives. 1) It…

Instrumentation and Methods for Astrophysics · Physics 2019-07-23 A. Nepomuk Otte , Anthony M. Brown , Michele Doro , Abe Falcone , Jamie Holder , Eleanor Judd , Philip Kaaret , Mosè Mariotti , Kohta Murase , Ignacio Taboada

We study the discovery potential of future beta decay experiments on searches for the neutrino mass in the sub-eV range, and, in particular, KATRIN experiment with sensitivity $m > 0.3$ eV. Effects of neutrino mass and mixing on the beta…

High Energy Physics - Phenomenology · Physics 2014-11-17 Y. Farzan , O. L. G. Peres , A. Yu. Smirnov

A detailed experimental and simulation study of the extraction of a 24 keV He-ion beam from an ECR ion source and the subsequent beam transport through an analyzing magnet is presented. We find that such a slow ion beam is very sensitive to…

Accelerator Physics · Physics 2015-06-04 S. Saminathan , J. P. M. Beijers , H. R. Kremers , V. Mironov , J. Mulder , S. Brandenburg

The paper reviews recent experiments on tritium beta spectroscopy searching for the absolute value of the electron neutrino mass $m(\nu_e)$. By use of dedicated electrostatic filters with high acceptance and resolution, the uncertainty on…

High Energy Physics - Experiment · Physics 2011-05-24 E. W. Otten , C. Weinheimer

A scanning force microscope with a base temperature below 300 mK is used for measuring the local electron density of a two-dimensional electron gas embedded in an Ga[Al]As heterostructure. At different separations between AFM tip and…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 T. Vancura , S. Kicin , T. Ihn , K. Ensslin , M. Bichler , W. Wegscheider

NanoCarb is an innovative Fourier Transform imaging spectrometer dedicated to the measurement of CO2 and CH4. Both its unusual optical principle and sampling strategy allows to reach a compact design, ideal for small satellite constellation…

Instrumentation and Detectors · Physics 2019-07-15 Silvère Gousset , Laurence Croizé , Etienne Le Coarer , Yann Ferrec , Laure Brooker

Taking into account mixings among neutrino states, the end of the energy spectrum of the electron in the tritium beta decay is investigated. It is shown that for real energy resolutions of a spectrometer, $ \Delta E > 0.08$ eV, the…

High Energy Physics - Phenomenology · Physics 2016-08-16 J. Studnik , M. Zrałek

The possibility of the precise measurement of the electron beam energy using absorption of radiation by electrons in a static and homogeneous magnetic field in a range up to a few hundred GeV energies, was considered in [1]. With the…

Accelerator Physics · Physics 2017-08-02 R. A. Melikian

Due to its inclined orbit and the complex geometry of the magnetic field of Neptune, Triton experiences a highly variable magnetic environment. As precipitation of magnetospheric electrons is thought to have a large impact on the Triton…

Earth and Planetary Astrophysics · Physics 2024-07-24 B. Benne , B. Benmahi , M. Dobrijevic , T. Cavalié , J-C. Loison , K. M. Hickson , M. Barthélémy , J. Lilensten

Elastic electron-nucleon scattering provides insights into the spatial distributions of charge and current within nucleons through their electromagnetic form factors. Accurate knowledge of these form factors over a broad range of $Q^2$, the…

Nuclear Experiment · Physics 2025-08-26 Provakar Datta

The determination of the absolute scale of the neutrino masses is one of the most challenging present questions in particle physics. The most stringent limit, $m(\bar{\nu}_{\mathrm{e}})<2$eV, was achieved for the electron anti-neutrino mass…

The uncertainty in the initial neutrino flux is the main limitation for a precise determination of the absolute neutrino cross section. The ERC funded ENUBET project (2016-2021) is studying a facility based on a narrow band beam to produce…

An electron-impact ion source based on photoelectron emission was developed for ionization of gases at pressures below 1e-4 mbar in an axial magnetic field in the order of 5 T. The ion source applies only DC fields, which makes it suitable…

Instrumentation and Detectors · Physics 2011-01-25 S. Lukic , B. Bornschein , G. Drexlin , F. Glück , O. Kazachenko , M. Schöppner , Ch. Weinheimer , M. C. R. Zoll

We propose a new experiment to search for a sterile neutrino in a few keV mass range at the "Troitsk nu-mass" facility. The expected signature corresponds to a kink in the electron energy spectrum in tritium beta-decay. The new goal…