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Related papers: Low-$Q^2$ elastic electron-proton scattering using…

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We determine the charge radius of the proton by analyzing the published low momentum transfer electron-proton scattering data from Mainz. We note that polynomial expansions of the form factor converge for momentum transfers squared below…

Nuclear Experiment · Physics 2016-06-28 Keith Griffioen , Carl Carlson , Sarah Maddox

Quasi-elastic scattering on $^{12}$C$(e,e'p)$ was measured in Hall C at Jefferson Lab for space-like 4-momentum transfer squared $Q^2$ in the range of 8--14.2\,(GeV/$c$)$^2$ with proton momenta up to 8.3\,GeV/$c$. The experiment was carried…

The results on the measurements of dp-elastic scattering cross section at the energy 2 GeV at Internal Target Station at the Nuclotron JINR are reported. The data were obtained for the angular range of 70-107 deg. in the c.m.s. by using CH2…

We report on the highest precision yet achieved in the measurement of the polarization of a low energy, $\mathcal{O}$(1 GeV), electron beam, accomplished using a new polarimeter based on electron-photon scattering, in Hall~C at Jefferson…

In this work the process of elastic hadron scattering is discussed. In particular, scattering amplitudes for the various Pomeron models are compared. In addition, differential elastic cross section as a function of the scattered proton…

High Energy Physics - Phenomenology · Physics 2017-08-10 P. Erland , R. Staszewski , M. Trzebinski , R. Kycia

Deep inelastic electron-proton scattering is analyzed in the target rest frame using a theoretical approach suitable to describe many-body systems of {\em bound} constituents subject to {\em interactions}. At large three-momentum transfer…

Nuclear Theory · Physics 2016-11-23 Omar Benhar

In this work, we study the elastic scattering behavior of electron vortices when propagating through amorphous samples. We use a formulation of the multislice approach in cylindrical coordinates to theoretically investigate the…

Materials Science · Physics 2021-03-22 Stefan Löffler , Stefan Sack , Thomas Schachinger

In-orbit experience has shown that soft protons are funneled more efficiently through focusing Wolter-type optics of X-ray observatories than simulations predicted. These protons can degrade the performance of solid-state X-ray detectors…

Instrumentation and Methods for Astrophysics · Physics 2015-04-07 S. Diebold , C. Tenzer , E. Perinati , A. Santangelo , M. Freyberg , P. Friedrich , J. Jochum

We examined several low-$Q^2$ elastic $ep$ and $ed$ scattering data sets using various models to extract the proton and deuteron rms radii and developed a comprehensive algorithm for estimating the systematic bias of each extracted radius.…

Nuclear Experiment · Physics 2019-01-04 Timothy B. Hayward , Keith A. Griffioen

The ITEP-PNPI collaboration presents the results of the measurements of the spin rotation parameter A in the elastic scattering of positive and negative pions on protons at P_beam = 1.62 GeV/c. The setup included a longitudinally-polarized…

The charged-current quasi-elastic scattering of muon neutrino on a carbon target is calculated for neutrino energy up to 2.8 GeV using the relativistic distorted-wave impulse approximation with relativistic optical potential, which was…

Nuclear Theory · Physics 2009-08-20 A. V. Butkevich

We report on the first detailed measurements of electron backscattering from low Z targets at energies up to 124 keV. Both energy and angular distributions of the backscattered electrons are measured and compared with electron transport…

Nuclear Experiment · Physics 2008-11-26 J. W. Martin , J. Yuan , S. A. Hoedl , B. W. Filippone , D. Fong , T. M. Ito , E. Lin , B. Tipton , A. R. Young

A recent proposal to measure the proton form factor by means of muon-proton scattering will use muons which are not ultrarelativistic (and also not nonrelativistic). The usual equations describing the scattering cross section use the…

General Physics · Physics 2013-02-06 E. Borie

The Jefferson Lab Q_weak experiment determined the weak charge of the proton by measuring the parity-violating elastic scattering asymmetry of longitudinally polarized electrons from an unpolarized liquid hydrogen target at small momentum…

Instrumentation and Detectors · Physics 2015-01-08 Qweak Collaboration , T. Allison , M. Anderson , D. Androic , D. S. Armstrong , A. Asaturyan , T. D. Averett , R. Averill , J. Balewski , J. Beaufait , R. S. Beminiwattha , J. Benesch , F. Benmokhtar , J. Bessuille , J. Birchall , E. Bonnell , J. Bowman , P. Brindza , D. B. Brown , R. D. Carlini , G. D. Cates , B. Cavness , G. Clark , J. C. Cornejo , S. Covrig Dusa , M. M. Dalton , C. A. Davis , D. C. Dean , W. Deconinck , J. Diefenbach , K. Dow , J. F. Dowd , J. A. Dunne , D. Dutta , W. S. Duvall , J. R. Echols , M. Elaasar , W. R. Falk , K. D. Finelli , J. M. Finn , D. Gaskell , M. T. W. Gericke , J. Grames , V. M. Gray , K. Grimm , F. Guo , J. Hansknecht , D. J. Harrison , E. Henderson , J. R. Hoskins , E. Ihloff , K. Johnston , D. Jones , M. Jones , R. Jones , M. Kargiantoulakis , J. Kelsey , N. Khan , P. M. King , E. Korkmaz , S. Kowalski , A. Kubera , J. Leacock , J. P. Leckey , A. R. Lee , J. H. Lee , L. Lee , Y. Liang , S. MacEwan , D. Mack , J. A. Magee , R. Mahurin , J. Mammei , J. W. Martin , A. McCreary , M. H. McDonald , M. J. McHugh , P. Medeiros , D. Meekins , J. Mei , R. Michaels , A. Micherdzinska , A. Mkrtchyan , H. Mkrtchyan , N. Morgan , J. Musson , K. E. Mesick , A. Narayan , L. Z. Ndukum , V. Nelyubin , Nuruzzaman , W. T. H. van Oers , A. K. Opper , S. A. Page , J. Pan , K. D. Paschke , S. K. Phillips , M. L. Pitt , M. Poelker , J. F. Rajotte , W. D. Ramsay , W. R. Roberts , J. Roche , P. W. Rose , B. Sawatzky , T. Seva , M. H. Shabestari , R. Silwal , N. Simicevic , G. R. Smith , S. Sobczynski , P. Solvignon , D. T. Spayde , B. Stokes , D. W. Storey , A. Subedi , R. Subedi , R. Suleiman , V. Tadevosyan , W. A. Tobias , V. Tvaskis , E. Urban , B. Waidyawansa , P. Wang , S. P. Wells , S. A. Wood , S. Yang , S. Zhamkochyan , R. B. Zielinski

We compute the differential and the total cross sections for $pp$ scattering using the QCD pomeron model proposed by Landshoff and Nachtmann. This model is quite dependent on the experimental electromagnetic form factor, and it is not…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Carvalho , A. A. Natale , C. M. Zanetti

The paper describes a precise measurement of electron scattering off the proton at momentum transfers of $0.003 \lesssim Q^2 \lesssim 1$\ GeV$^2$. The average point-to-point error of the cross sections in this experiment is $\sim$ 0.37%.…

We measure electron transport through point contacts in an electron gas in AlGaAs/GaAs heterostructures and graphene for a range of temperatures, magnetic fields and electron densities. We find a magnetoconductance peak around B = 0. With…

Projected momentum distributions of electrons, i.e. Compton profiles above the topmost atomic layer have recently become experimentally accessible by kinetic electron emission in grazing-incidence scattering of atoms at atomically flat…

Other Condensed Matter · Physics 2009-11-11 Christoph Lemell , Andres Arnau , Joachim Burgdörfer

The first elastic electron scattering has been successfully performed at the self-confining RI ion target (SCRIT) facility, the world's first electron scattering facility for exotic nuclei. The SCRIT technique achieved high luminosity (over…

We present a new powerful liquid hydrogen target developed for the precise study of parity violating electron scattering on hydrogen and deuterium. This target has been designed to have minimal target density fluctuations under the heat…