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VIRTUAL PHOTON–PHOTON SCATTERING [PDF]

open access: yesInternational Journal of Modern Physics: Conference Series, 2014
Based on analyticity, unitarity, and Lorentz invariance the contribution from hadronic vacuum polarization to the anomalous magnetic moment of the muon is directly related to the cross section of e+e− → hadrons . We review the main difficulties that impede such an approach for light-by-light scattering and identify the required ingredients from ...
Hoferichter, Martin   +3 more
openaire   +6 more sources

Photon–photon scattering: a tutorial [PDF]

open access: yesCanadian Journal of Physics, 2012
Long-established results for low-energy photon–photon scattering, γγ → γγ, have recently been questioned. We analyze that claim and demonstrate that it is inconsistent with experience. We demonstrate that the mistake originates from an erroneous manipulation of divergent integrals and discuss the connection with another recent claim about the Higgs ...
Liang, Yi, Czarnecki, Andrzej
openaire   +3 more sources

Measuring photon-photon interactions via photon detection [PDF]

open access: yesPhysical Review A, 2010
The strong non-linearity plays a significant role in physics, particularly, in designing novel quantum sources of light and matter as well as in quantum chemistry or quantum biology. In simple systems, the photon-photon interaction can be determined analytically. However, it becomes challenging to obtain it for more compex systems.
D. F. Walls   +5 more
openaire   +4 more sources

Single-photon microwave photonics

open access: yesScience Bulletin, 2022
With the rapid development of microwave photonics technology, high-speed processing and ultra-weak signal detection capability have become the main bottlenecks in many applications. Thanks to the ultra-weak signal detection capability and the extremely low timing jitter properties of single-photon detectors, the combination of single-photon detection ...
Ye, Yang   +9 more
openaire   +2 more sources

High energy photon-photon collisions [PDF]

open access: yesNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1995
The collisions of high energy photons produced at an electron-positron collider provide a comprehensive laboratory for testing QCD, electroweak interactions, and extensions of the Standard Model. The luminosity and energy of the colliding photons produced by back-scattering laser beams is expected to be comparable to that of the primary $e^+e ...
Brodsky, Stanley J.   +3 more
openaire   +3 more sources

Photon-photon scattering at the photon linear collider [PDF]

open access: yesPhysics Letters B, 1994
Standard LaTeX. 8 pages+5 figures (available by regular mail).
Jikia, G., Tkabladze, A.
openaire   +2 more sources

PHOTON-PHOTON INTERACTIONS [PDF]

open access: yesNuclear Physics A, 1981
Abstract A brief summary of the present status of photon-photon interactions is presented. Stress is placed on the use of two-photon collisions to test present ideas on the quark constituents of hadrons and on the theory of strong interactions.
openaire   +1 more source

Quantum nondemolition detection of a propagating microwave photon [PDF]

open access: yes, 2013
The ability to nondestructively detect the presence of a single, traveling photon has been a long-standing goal in optics, with applications in quantum information and measurement.
Baragiola, Ben Q.   +7 more
core   +2 more sources

Photon-photon interaction in a photon gas [PDF]

open access: yesEurophysics Letters (EPL), 2000
Using the effective Lagrangian for the low energy photon-photon interaction the lowest order photon self energy at finite temperature and in non-equilibrium is calculated within the real time formalism. The Debye mass, the dispersion relation, the dielectric tensor, and the velocity of light following from the photon self energy are discussed.
openaire   +2 more sources

CP violation in photon-photon collisions [PDF]

open access: yes, 1994
The effective lagrangian parametrization is used to determine the CP violating effects in $ \gamma \gamma $ collisions. for the processes studied the effects are found to be very small, the one exception being scalar production.Comment: 11 pages ...
Baur   +10 more
core   +2 more sources

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