Results 11 to 20 of about 5,676,060 (374)
Rigorous bounds on light-by-light scattering
Journal of High Energy Physics, 2022 We bound EFT coefficients appearing in 2 → 2 photon scattering amplitudes in four dimensions. After reviewing unitarity and positivity conditions in this context, we use dispersion relations and crossing symmetry to compute sum rules and null constraints.
J. Henriksson +3 more
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Scattering of light nuclei [PDF]
EPJ Web of Conferences, 2010 The exact treatment of nuclei starting from the constituent nucleons and the fundamental interactions among them has been a long-standing goal in nuclear physics.
Roth R., Navrátil P., Quaglioni S.
doaj +4 more sources
Elastic Light Scattering by Semiconductor Quantum Dots [PDF]
, 2006 Elastic light scattering by low-dimensional semiconductor objects is investigated theoretically. The differential cross section of resonant light scattering on excitons in quantum dots is calculated. The polarization and angular distribution of scattered
D. A. Contreras-Solorio +19 more
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Sum rules for light-by-light scattering [PDF]
Physical Review Letters, 2010 We derive a set of sum rules for the light-by-light scattering and fusion: $\gamma\gamma \to all$, and verify them in lowest order QED calculations. A prominent implication of these sum rules is the superconvergence of the helicity-difference total cross-
Marc Vanderhaeghen +4 more
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Modulated 3D cross-correlation light scattering: improving turbid sample characterization [PDF]
Rev. Sci. Instrum. 81, 123107 (2010), 2010 Accurate characterization using static light scattering (SLS) and dynamic light scattering (DLS) methods mandates the measurement and analysis of singly-scattered light.
Block, Ian, Scheffold, Frank
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Anomalies in light scattering [PDF]
Advances in Optics and Photonics, 2019 Scattering of electromagnetic waves lies at the heart of most experimental techniques over nearly the entire electromagnetic spectrum, ranging from radio waves to optics and X-rays. Hence, deep insight into the basics of scattering theory and understanding the peculiar features of electromagnetic scattering is necessary for the correct interpretation ...
Alex Krasnok +5 more
openaire +4 more sources
arXiv, 2011 For a long time, it is believed that the light by light scattering is described properly by the Lagrangian density obtained by Heisenberg and Euler. Here, we present a new calculation which is based on the modern field theory technique. It is found that the light-light scattering is completely different from the old expression.
arxiv +3 more sources
Light-by-light scattering in double-logarithmic approximation
European Physical Journal C: Particles and Fields, 2018 In the present paper we consider the elastic $$2 \rightarrow 2$$ 2→2 -scattering of virtual photons at high energies in the forward kinematics at zero and non-zero values of t.
B. I. Ermolaev, S. I. Troyan
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Compton Scattering on Light Nuclei
EPJ Web of Conferences, 2010 Compton scattering on light nuclei (A = 2, 3) has emerged as an effective avenue to search for signatures of neutron polarizabilities, both spin–independent and spin–dependent ones.
Shukla D.
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Dispersive approach to hadronic light-by-light scattering [PDF]
Journal of High Energy Physics, 2014 Based on dispersion theory, we present a formalism for a model-independent evaluation of the hadronic light-by-light contribution to the anomalous magnetic moment of the muon. In particular, we comment on the definition of the pion pole in this framework
Colangelo, Gilberto +3 more
core +9 more sources