Results 51 to 60 of about 1,574,642 (220)

Diffractive Physics [PDF]

open access: yesProceedings of Sixth International Conference on Quarks and Nuclear Physics — PoS(QNP2012), 2012
`Soft' high-energy interactions are clearly important in pp collisions. Indeed, these events are dominant by many orders of magnitude, and about 40% are of diffractive origin; that is, due to elastic scattering or proton dissociation. Moreover, soft interactions unavoidably give an underlying component to the rare `hard' events, from which we hope to ...
Martin, A. D.   +5 more
openaire   +2 more sources

Uncovering the Mechanisms of Long-Range Magnetic Order in [Mn(mal)(H2O)]n: Insights from Microscopic and Macroscopic Magnetic Analysis

open access: yesMagnetochemistry
In this study, we investigate the magnetic properties of the molecular compound [Mn(mal)(H2O)]ₙ (mal = dianion of malonic acid) by integrating microscopic and macroscopic characterization, combining unpolarized neutron diffraction and magnetometry ...
Fernando S. Delgado   +4 more
doaj   +1 more source

NADH/NADPH bi-cofactor-utilizing and thermoactive ketol-acid reductoisomerase from Sulfolobus acidocaldarius

open access: yesScientific Reports, 2018
Ketol-acid reductoisomerase (KARI) is a bifunctional enzyme in the second step of branched-chain amino acids biosynthetic pathway. Most KARIs prefer NADPH as a cofactor.
Chin-Yu Chen   +6 more
doaj   +1 more source

The Spherical Harmonic Family of Beampatterns

open access: yesAcoustics, 2022
The free space solution to the wave equation in spherical coordinates is well known as a separable product of functions. Re-examination of these functions, particularly the sums of spherical Bessel and harmonic functions, reveals behaviors which can ...
Kevin J. Parker, Miguel A. Alonso
doaj   +1 more source

Three-dimensional double helical DNA structure directly revealed from its X-ray fiber diffraction pattern by iterative phase retrieval [PDF]

open access: yes, 2018
Coherent diffraction imaging (CDI) allows the retrieval of the structure of an isolated object, such as a macromolecule, from its diffraction pattern. CDI requires the fulfilment of two conditions: the imaging radiation must be coherent and the object ...
Fink, Hans-Werner   +1 more
core   +1 more source

Surface Plasmons Excited by X-rays in the Surface Layers of Solids

open access: yesSolids, 2022
The phenomenon of total external reflection of X-rays at a sliding angle of incidence of a beam of incident X-rays is investigated. For metals, a quantitative law of direct dependence of the refractive index decrement on the interplane distance is ...
Valery M. Stozharov
doaj   +1 more source

Considerations on the Diffraction Limitations to the Spatial Resolution of Optical Transition Radiation [PDF]

open access: yes, 1999
The interest in using optical transition radiation (OTR) in high energy (multiGeV) beam diagnostics has motivated theoretical and experimental investigations on the limitations brought by diffraction on the attainable resolution.
Artru, X.   +3 more
core   +2 more sources

Patterned Biolayers of Protein Antigens for Label-Free Biosensing in Cow Milk Allergy

open access: yesBiosensors, 2023
This paper focuses on creating one-dimensional diffractive grooved structures of antigen proteins on glass substrates for the label-free detection of antibodies to dairy allergens.
Augusto Juste-Dolz   +4 more
doaj   +1 more source

Histogram tomography

open access: yesMathematics in Engineering, 2020
In many tomographic imaging problems the data consist of integrals along lines or curves. Increasingly we encounter “rich tomography” problems where the quantity imaged is higher dimensional than a scalar per voxel, including vectors tensors and ...
William R. B. Lionheart
doaj   +1 more source

The New Italian Standard on the Life Assessment of Martensitic Steels—First Results of the Experimental Validation Activity of XRD by Testing P91 and P92 Samples from Interrupted Uniaxial Creep Tests

open access: yesMicro, 2023
The Italian Thermotechnical Committee is drafting a new standard for the life assessment of creep-operated pressure equipment, including modern steam boilers.
Andrea Tonti, Pietro De Blasi
doaj   +1 more source

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