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The investigation of light-induced structural changes by diffractive methods has improved much in the last two decades. We present here the case of neutron photocrystallography for which we have built a special experimental setup at the…

Materials Science · Physics 2008-07-21 J. Schefer , D. Schaniel , V. Petricek , Th. Woike

Interference experiments with electrons in a vacuum can illuminate both the quantum and the nanoscale nature of the underlying physics. An interference experiment requires two coherent waves, which can be generated by splitting a single…

For precise measurements with polarized neutrons high efficient spin-manipulation is required. We developed several neutron optical elements suitable for a new sophisticated setup, i.e., DC spin-turners and Larmor-accelerators which…

Quantum Physics · Physics 2014-08-19 Hermann Geppert , Tobias Denkmayr , Stephan Sponar , Hartmut Lemmel , Yuji Hasegawa

A development in modern neutron spectroscopy is to avoid the need of large samples. We demonstrate how small samples together with the right choice of analyser and detector components makes distance collimation an important concept in…

Uranium fission chambers are commonly used for neutron beam monitoring in neutron research facilities. The challenges brought with the renewing or commissioning of new neutron facilities encourage to minimize the interaction between the…

Instrumentation and Detectors · Physics 2022-02-09 F. Lafont , B. Guerard , R. Hall-Wilton , K. Kanaki

(Abridged) Context: In the previous paper in this series, we identified that a pentagonal arrangement of five telescopes, using a kernel-nulling beam combiner, shows notable advantages for some important performance metrics for a…

Instrumentation and Methods for Astrophysics · Physics 2023-02-08 Jonah T. Hansen , Michael J. Ireland , Romain Laugier , the LIFE collaboration

Induced coherence in parametric down-conversion between two coherently pumped nonlinear crystals that share a common idler mode can be used as an imaging technique. Based on the interference between the two signal modes of the crystals, an…

Quantum Physics · Physics 2017-03-27 Mikhail I. Kolobov , Enno Giese , Samuel Lemieux , Robert Fickler , Robert W. Boyd

We propose methods to perform intensity interferometry of photons having two different wavelengths. Distinguishable particles typically cannot interfere with each other, but we overcome that obstacle by processing the particles via…

Quantum Physics · Physics 2019-05-01 Jordan Cotler , Frank Wilczek , Victoria Borish

We report a breakthrough in the search for versatile diffractive elements for cold neutrons. Nanoparticles are spatially arranged by holographical means in a photopolymer. These grating structures show remarkably efficient diffraction of…

This communication presents the results obtained at an experimental campaign at PSI BOA beamline using the combination of the ANET Compact Neutron Collimator (CNC) with the actual BOA pin-hole system. Through extensive resolution campaigns,…

Instrumentation and Detectors · Physics 2023-03-01 Oriol Sans-Planell , Francesco Cantini , Marco Costa , Francesco Grazzi , Manuel Morgano , Masako Yamada

Hybrid normal metal - insulator - superconductor microstructures suitable for studying an interference of electrons were fabricated. The structures consist of a superconducting loop connected to a normal metal electrode through a tunnel…

Superconductivity · Physics 2009-04-07 K. Yu. Arutyunov , T. T. Hongisto

The MiniBooNe collaboration has recently reported evidence for a light sterile neutrino with large mixing angles thus corroborating the measurement by LSND twenty years ago. Such a state would be directly in conflict with Planck measurement…

High Energy Physics - Phenomenology · Physics 2018-10-31 Bhavesh Chauhan , Subhendra Mohanty

We report a novel neutron interferometry scheme aimed at probing the potential existence of mirror neutrons, which have been proposed as viable dark matter candidates. Our theoretical analysis demonstrates that if mirror neutrons exist,…

High Energy Physics - Phenomenology · Physics 2025-03-05 Antonio Capolupo , Gabriele Pisacane , Aniello Quaranta , Francesco Romeo

Interference is fundamental to wave dynamics and quantum mechanics. The quantum wave properties of particles are exploited in metrology using atom interferometers, allowing for high-precision inertia measurements [1, 2]. Furthermore, the…

Quantum Gases · Physics 2010-09-14 Christian Gross , Tilman Zibold , Eike Nicklas , Jerome Esteve , Markus K. Oberthaler

I studied experimentally the beam self-collimation and splitting in two-dimensional microwave photonic crystals. Using a microwave photonic crystal fabricated from alumina rods, I present an experimental proof of principle for an earlier…

Optics · Physics 2009-11-13 Aaron F. Matthews

The T-REX neutron time-of-flight spectrometer at the European Spallation Source will use Multi-Grid Technology, which relies on thin B4C coatings on the Al blades of the grids to detect scattered thermal neutrons. Following a Monte Carlo…

Instrumentation and Detectors · Physics 2025-11-06 A. Backis , C. -C. Lai , M. Aouane , P. P. Deen , K. G. Fissum , J. R. M. Annand , K. Livingston , D. Raspino

Nulling interferometry is a technique providing high angular resolution which is the core of the space missions Darwin and the Terrestrail Planet Finder. The first objective is to reach a deep degree of starlight cancelation in the range 6…

We discuss recent advances towards matter-wave interference experiments with free beams of metallic and dielectric nanoparticles. They require a brilliant source, an efficient detection scheme and a coherent method to divide the de Broglie…

Interferometry of single particles with internal degrees of freedom is investigated. We discuss the interference patterns obtained when an internal state evolution device is inserted into one or both the paths of the interferometer. The…

Quantum Physics · Physics 2007-05-23 Johan Aberg

During 2014 the second experimental area EAR2 was completed at the n-TOF neutron beam facility at CERN. As the neutrons are produced via spallation, by means of a high-intensity 20 GeV pulsed proton beam impinging on a thick target, the…

Instrumentation and Detectors · Physics 2019-08-14 L. Cosentino , A. Musumarra , M. Barbagallo , N. Colonna , L. Damone , A. Pappalardo , M. Piscopo , P. Finocchiaro