English
Related papers

Related papers: Laser-assisted nuclear photoeffect reexamined

200 papers

Electromagnetic field in nuclear matter and nuclei are studied. In the nuclear matter, because the expectation value of the electric charge density operator is not zero, different in vacuum, the U(1) local gauge symmetry of electric charge…

Nuclear Theory · Physics 2009-11-07 Bao-Xi Sun , Xiao-Fu Lu , Peng-Nian Shen , En-Guang Zhao

Correlations of two like charged pions emitted from a hot and charged spherically expanding nuclear system are investigated. The motion of the pions is described quantum mechanically using the Klein-Gordon equation which includes Coulomb…

Nuclear Theory · Physics 2009-10-31 H. W. Barz

We report measurements of the cross section and a complete set of polarization observables for the Gamow--Teller ${}^{12}{\rm C}(\vec{p},\vec{n}){}^{12}{\rm N}({\rm g.s.},1^+)$ reaction at a bombarding energy of 296 MeV. The data are…

Medium effects as a function of the mass number $A$ are studied in the total photonuclear cross section from the $\Delta$-resonance region up to the region where shadowing effects are known to exist. A consistent picture is obtained by…

Nuclear Theory · Physics 2007-05-23 S. Boffi , Ye. Golubeva , L. A. Kondratyuk , M. I. Krivoruchenko , E. Perazzi

The linearly polarized quasi-real photons from the highly Lorentz-contracted Coulomb fields of relativistic heavy ions can fluctuate to quark-antiquark pairs, scatter off a target nucleus and emerge as vector mesons. In the process, the two…

High Energy Physics - Phenomenology · Physics 2021-03-03 Wangmei Zha , James Daniel Brandenburg , Lijuan Ruan , Zebo Tang , Zhangbu Xu

To probe the nonlinear effects of photon-photon interaction in the quantum electrodynamics, we study the generation of circular polarized photons by the collision of two linearly polarized laser beams. In the framework of the…

Optics · Physics 2015-09-09 Rohoollah Mohammadi , Iman Motie , She-Sheng Xue

The effects of coherently enhanced radiation reaction on the motion of subwavelength electron bunches in interaction with intense laser pulses are analyzed. The radiation reaction force behaves as a radiation pressure in the laser beam…

Accelerator Physics · Physics 2012-02-17 P. W. Smorenburg , L. P. J. Kamp , G. A. Geloni , O. J. Luiten

We present an in-depth analysis of the energy dependence of optical breakdown in water by tightly focused laser pulses, from plasma formation to shock waves and cavitation. Laser pulses of fs to ns durations and UV to IR wavelengths are…

Fluid Dynamics · Physics 2026-01-16 Norbert Linz , Sebastian Freidank , Xiao-Xuan Liang , Alfred Vogel

Spatial distribution of intensity, degree and direction of linear polarization of tagged photon beam, which is obtained due to Compton backscattering of laser light on high-energy electron beam, are calculated. Effects of angular dispersion…

Instrumentation and Detectors · Physics 2007-05-23 Yu. P. Peresunko

Data from the AGS experiment E866 on charged particles emitted in central Au+Au collisions at 10.8 AGeV incident energy is reviewed. The study of spectral shapes indicates the presence of collective transverse flow and - in particular for…

Nuclear Experiment · Physics 2019-08-14 C. Muentz

We predict a near-threshold ("zero energy") peak in multi-photon ionization for a dynamical regime where the photon frequency is large compared to the binding energy of the electron. The peak position does not depend on the laser frequency,…

Atomic Physics · Physics 2025-03-12 Sajad Azizi , Ulf Saalmann , Jan M. Rost

We discuss a two-fold extension of QED assuming the presence of strong external fields provided by an ultra-intense laser and noncommutativity of spacetime. While noncommutative effects leave the electron's intensity induced mass shift…

High Energy Physics - Phenomenology · Physics 2010-04-14 Thomas Heinzl , Anton Ilderton , Mattias Marklund

Empirical formulas for the second inverse moment of the photoabsorption cross sections in nuclei are discussed in J. N. Orce, Phys. Rev. C 91, 064602 (2015). In this Comment I point out that the experimental values used are systematically…

Nuclear Experiment · Physics 2016-04-29 Peter von Neumann-Cosel

The need for a cutoff in the Lamb shift calculation suggests that high-energy virtual photons do not interact with real particles. In this paper, we assume that the creation of virtual photons follows a canonical distribution. As a result,…

General Physics · Physics 2019-11-12 Kohzo Nishida

The influence of linearly and circularly polarized laser fields on the dynamics of fast electron-impact excitation in atomic helium is discussed. A detailed analysis is made in the excitation of 2^1S, 3^1S and 3^1D dressed states of helium…

Optics · Physics 2009-10-31 O. El Akramine , A. Makhoute , D. Khalfl , A. Maquet , R. Taieb

Photo nuclear reactions are shown to be used for studying neutrino/weak nuclear responses involved in astro-neutrino nuclear interactions and double beta decays. Charged current weak responses for ground and excited states are studied by…

Nuclear Theory · Physics 2015-06-18 H. Ejiri , A. I. Titov , M. Boswell , A. Young

The energy reconstruction of high-energy muons depends on the energy loss characteristics. Accurate knowledge of the cross sections of the energy loss processes is necessary for precise measurements of the energy spectrum of muons and…

High Energy Physics - Phenomenology · Physics 2018-07-24 Alexander Sandrock , Wolfgang Rhode

The balance of the linear photon momentum in multiphoton ionization is studied experimentally. In the experiment argon and neon atoms are singly ionized by circularly polarized laser pulses with a wavelength of 800 nm and 1400 nm in the…

Optics · Physics 2011-06-01 C Smeenk , L Arissian , B Zhou , A Mysyrowicz , D M Villeneuve , A Staudte , P B Corkum

In the presence of an intensive laser field the radiative recombination of the continuum electron into an atomic bound state generally is accompanied by absorption or emission of several laser quanta. The spectrum of emitted photons…

Atomic Physics · Physics 2009-10-31 M. Yu. Kuchiev , V. N. Ostrovsky

We calculate the coherent charmonium photoproduction at intermediate energies accounting for the physics of the charmonium bound states and the dependence of the cross section on the region occupied by color using a correspondingly adjusted…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. Frankfurt , L. Gerland , M. Strikman , M. Zhalov