Pair Creation with Strong Laser Fields, Compton Scale X Rays, and Heavy Nuclei.

08:00 EDT 14th June 2019 | BioPortfolio

Summary of "Pair Creation with Strong Laser Fields, Compton Scale X Rays, and Heavy Nuclei."

Electron-positron pair creation is considered when intense laser pulses collide head-on with <1  MeV x-ray photons in the presence of stationary Coulomb charges Z(-e). The analysis employs Coulomb-corrected Volkov states and is not limited to Born's approximation in Z. The cross section and the yield increase dramatically with increasing Z, potentially enabling (i) measurable yields with petawatt lasers and (ii) sensitive tests of strong-field QED.


Journal Details

This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 233201


DeepDyve research library

PubMed Articles [12189 Associated PubMed Articles listed on BioPortfolio]

Universal Description of the Attoclock with Two-Color Corotating Circular Fields.

We experimentally measure the laser-intensity-dependent photoelectron momentum distributions (PMDs) of Ar atoms with two-color (ω+2ω) corotating circularly polarized fields. The interference pattern...

Annihilation gamma imaging for carbon ion beam range monitoring using Si/CdTe Compton camera.

In this study, we performed on-beam monitoring of 511-keV annihilation gamma emissions using a Compton camera. Beam monitoring experiments were conducted using carbon ion beams of 290 MeV/u irradiated...

Femtosecond laser in refractive corneal surgery.

The introduction of the femtosecond (fs) laser has revolutionized ophthalmic surgery. With the worldwide application of fs-lasers, clinical outcomes and safety in corneal procedures have improved sign...

First-Principles Plasma Simulations of Black-Hole Jet Launching.

Black holes drive powerful plasma jets to relativistic velocities. This plasma should be collisionless, and self-consistently supplied by pair creation near the horizon. We present general-relativisti...

Creation of Electron-Positron Pairs in Photon-Photon Collisions Driven by 10-PW Laser Pulses.

A novel approach is proposed to demonstrate the two-photon Breit-Wheeler process by using collimated and wide-bandwidth γ-ray pulses driven by 10-PW lasers. Theoretical calculations suggest that more...

Clinical Trials [4625 Associated Clinical Trials listed on BioPortfolio]

An Evaluation Of The Fitting Success Rate Of Senofilcon A Soft Contact Lenses In Three Designs.

This study will compare the on-eye fitting characteristics of three types of contact lenses. Each lens pair will be worn for 30 to 45 minutes before assessment and the results will be comp...

Treatment of Dilated Blood Vessels on the Cheeks With a New Yellow Laser and a Traditional Green Laser

The goal is to compare a novel yellow laser, based on semiconductor technology, with traditional green laser, in the treatment of cheek telangiectasias. The trial design is randomized spli...

Fit and Strong! Plus Comparative Effectiveness Trial

This randomized controlled trial is comparing outcomes of customary Fit and Strong!, to Fit and Strong! Plus, an enhanced version of the program that incorporates weight management. We hyp...

Evoked Fields After Median and Ulnar Stimulation

In order to be able to study the effects of evoked fields with magnetoencephalography (MEG) in two groups of patients, comparison is made with a group of healthy volunteers.

Analgesic Effect of Low Intensity Laser in Patients With Pulpitis of Mandibular Molars.

The present study has the objective of evaluating whether the previous therapy with low intensity laser, through its analgesic effect, can promote a greater comfort specifically for patien...

Medical and Biotech [MESH] Definitions

A technique utilizing a laser coupled to a catheter which is used in the dilatation of occluded blood vessels. This includes laser thermal angioplasty where the laser energy heats up a metal tip, and direct laser angioplasty where the laser energy directly ablates the occlusion. One form of the latter approach uses an EXCIMER LASER which creates microscopically precise cuts without thermal injury. When laser angioplasty is performed in combination with balloon angioplasty it is called laser-assisted balloon angioplasty (ANGIOPLASTY, BALLOON, LASER-ASSISTED).

Techniques using laser energy in combination with a balloon catheter to perform angioplasty. These procedures can take several forms including: 1, laser fiber delivering the energy while the inflated balloon centers the fiber and occludes the blood flow; 2, balloon angioplasty immediately following laser angioplasty; or 3, laser energy transmitted through angioplasty balloons that contain an internal fiber.

Treatment using irradiation with LASER light of low power intensity so that the effects are not due to heat, as in LASER THERAPY. These non-thermal effects are thought to be mediated by a photochemical reaction that alters CELL MEMBRANE PERMEABILITY, leading to increased mRNA synthesis and CELL PROLIFERATION. Low-level laser therapy has been used for a wide variety of conditions, but most frequently for wound healing and pain control.

An herbicide with strong irritant properties. Use of this compound on rice fields, orchards, sugarcane, rangeland, and other noncrop sites was terminated by the EPA in 1985. (From Merck Index, 11th ed)

Fragmentation of CALCULI, notably urinary or biliary, by LASER.

Quick Search

DeepDyve research library

Relevant Topic

Radiology is the branch of medicine that studies imaging of the body; X-ray (basic, angiography, barium swallows), ultrasound, MRI, CT and PET. These imaging techniques can be used to diagnose, but also to treat a range of conditions, by allowing visuali...

Searches Linking to this Article