نتایج جستجو برای: elastic scattering spectroscopy

تعداد نتایج: 338154  

2003
Steven D. Bass

Once heavy-quark corrections are take into account νp elastic scattering provides a complementary probe of polarized strangeness in the nucleon to measurements from inclusive and semi-inclusive polarized deep inelastic scattering. We review the different types of experiment and a recent NLO calculation of heavy-quark contributions to the weak neutral-current axial-charge (measureable in νp elas...

2010
Hyuk Yu

The applications of elastic and quasi elastic light scattering techniques to polymers in dilute solution, thermotropic liquid crystals and biological membrane vesicles are presented. It is focused on how we extract specific structural features or dynamic processes of these condensed medium samples through the light scattering methods. The paper reviews the light scattering studies that were car...

Journal: :The Journal of chemical physics 2012
S Carniato P Selles L Journel R Guillemin W C Stolte L El Khoury T Marin F Gel'mukhanov D W Lindle M Simon

We experimentally observed interference effects in elastic x-ray scattering from gas-phase HCl in the vicinity of the Cl K edge. Comparison to theory identifies these effects as interference effects between non-resonant elastic Thomson scattering and resonant Raman scattering. The results indicate the non-resonant Thomson and resonant Raman contributions are of comparable strength. The measurem...

2005
Matthias Theis Rudolf Grimm

This thesis reports on the first observation of optical tuning of interactions in an ultracold atomic gas. To control the elastic interactions, we use optically induced scattering resonances. They are realized by coupling pairs of atoms to a bound molecular state with the help of laser light. In comparison to the well-known magnetic Feshbach resonances, these optical Feshbach resonances allow a...

2014
Rafael Alvarez Francisco Yubero

In the last few years several papers have appeared showing the capabilities of Electron Rutherford Backscattering Spectrometry (eRBS) to quantify the H content at surfaces. The basis of the H detection in this technique relies on the difference in recoil energy of the incident electrons depending on the mass of the atoms located at the surface that act as scatter centers. In this paper we addre...

2013

The last few years activity of the Italian community concerning nuclear physics with electroweak probes is reviewed. Inclusive quasi-elastic electron-scattering, photon end electron induced oneand two-nucleon emission are considered. The scattering of neutrinos off nuclei in the quasi-elastic region is also discussed.

2006
M. R. Went M. Vos

In large-angle elastic scattering events of keV electrons a significant amount of momentum is transferred from the electron to a nucleus in the target. As a consequence kinetic energy is transferred from the energetic electron to the nucleus, and hence these processes can be referred to as ‘quasi-elastic’. How much energy is transferred depends on the mass of the nucleus. In this paper, we pres...

2009
E. Comay

Elastic and inelastic cross sections of proton-proton and electron-proton scattering are discussed. Special attention is given to elastic scattering and to the striking difference between the data of these two kinds of experiments. It is shown that the regular charge-monopole theory explains the main features of the data. Predictions of results of CERN's Large Hadron Collider are pointed out.

1993
N. F. Berk

Neutron scattering formalism is briefly surveyed. Topics touched upon include coherent and incoherent scattering, bound and free cross-sections, the Van Hove formalism, magnetic scattering, elastic scattering, the static approximation, sum rules, small angle scattering, inelastic scattering, thermal diffuse scattering, quasielastic scattering, and neutron optics.

2003
A. V. Afanasev

We discuss the theoretical approach and practical algorithms for simulation of radiative events in elastic ep–scattering. A new Monte Carlo generator for real photon emission events in the process of elastic electron–proton scattering is presented. We perform a few consistency checks and present numerical results.

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