8 papers
Probing Single-Particle Spatial Extent With Helical Neutron Wavefronts
D. Sarenac, O. Lailey, C. W. Clark +8
Distinguishing transverse coherence length from single-particle wavepacket extent is fundamentally challenging, as both manifest through spatial broadening of observed intensity pr…
A unified quantum random walk model for internal crystal effects in dynamical diffraction
Owen Lailey, Dusan Sarenac, David G. Cory +2
The theory of dynamical diffraction (DD) in perfect crystals is the backbone of high-precision neutron and X-ray diffraction experiments, enabling accurate determination of crystal…
A perfect crystal neutron loop cavity
Owen Lailey, Dusan Sarenac, David G. Cory +2
Coherent control of neutrons via Bragg diffraction forms the foundation of perfect crystal neutron interferometry, facilitating both fundamental tests of quantum mechanics and appl…
Experimental Limit on Neutron Orbital Angular Momentum Detection Using Polarized 3He
D. Sarenac, O. Lailey, D. V. Garrad +11
A recent proposal suggested that neutron orbital angular momentum (OAM) states could be detected via spin-polarized absorption in polarized 3He, with predicted cross-section variat…
Design and Monte Carlo Simulation of a Phase Grating Moiré Neutron Interferometer to Measure the Gravitational Constant
C. Kapahi, D. Sarenac, B. Heacock +5
The gravitational constant (G) is the least precisely known fundamental constant of nature, with persistent and significant discrepancies between measurement methods. New technique…
Achieving a Near-Ideal Silicon Crystal Neutron Interferometer using Sub-Micron Fabrication Techniques
M. G. Huber, I. Taminiau, D. G. Cory +4
Perfect-crystal neutron interferometry which is analogous to Mach-Zehnder interferometry, uses Bragg diffraction to form interfering neutron paths. The measured phase shifts can be…
Phase and contrast moiré signatures in two-dimensional cone beam interferometry
D. Sarenac, G. Gorbet, Charles W. Clark +13
Neutron interferometry has played a distinctive role in fundamental science and characterization of materials. Moiré neutron interferometers are candidate next-generation instrumen…
Cone beam neutron interferometry: from modeling to applications
D. Sarenac, G. Gorbet, C. Kapahi +12
Phase-grating moire interferometers (PGMIs) have emerged as promising candidates for the next generation of neutron interferometry, enabling the use of a polychromatic beam and man…