Modulation instability of lower hybrid waves leading to cusp solitons in electron-positron(hole)-ion Thomas Fermi plasma
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DOI: 10.1002/ctpp.201800132
Abstract: Following the idea of three wave resonant interactions of lower hybrid waves it is shown that quantum -modified lower hybrid (QLH) wave in electron positron ion plasma with spatial dispersion can decay into another QLH… read more here.
Keywords: lower hybrid; hybrid waves; instability lower; electron positron ... See more keywords
Dynamical behaviour of non‐linear quantum ion acoustic wave in weakly magnetized electron–positron–ion plasma
Sign Up to like & getrecommendations! Published in 2019 at "Contributions to Plasma Physics"
DOI: 10.1002/ctpp.201900072
Abstract: In order to investigate the propagation characteristics of linear and non‐linear ion acoustic waves (IAWs) in electron–positron–ion quantum plasma in the presence of external weak magnetic field, we have used a quantum hydrodynamic model, and… read more here.
Keywords: non linear; magnetic field; ion acoustic; positron ion ... See more keywords
Ion acoustic solitary waves in magnetized electron–positron–ion plasmas with Tsallis distributed electrons
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DOI: 10.1002/ctpp.202000068
Abstract: The propagation of ion acoustic (IA) solitary waves is investigated in a magnetized electron‐positron‐ion (EPI) plasma with Tsalli distributed electrons and Maxwellian positrons. A non‐linear Korteweg–de Vries (KdV)‐type equation is derived for the potential by… read more here.
Keywords: ion acoustic; solitary waves; electron positron; acoustic solitary ... See more keywords
Polarized hyperon production in single-inclusive electron-positron annihilation at next-to-leading order
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DOI: 10.1007/jhep01(2019)111
Abstract: A bstractWe study the production of polarized Λ-hyperons in electron-positron annihilation. We are particularly interested in the transverse-spin dependence of the cross section for unpolarized incident electron-positron pairs. At high energies this process may be… read more here.
Keywords: polarized hyperon; leading order; electron positron; positron annihilation ... See more keywords
Slab magnetised non-relativistic low-beta electron–positron plasmas: collisionless heating, linear waves and reconnecting instabilities
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377817000915
Abstract: The properties of a non-relativistic magnetised low-beta electron–positron plasma in slab geometry are investigated. The two species are taken to be drift kinetic while we retain Larmor radius effects in quasi-neutrality, and inertia in Ohm’s… read more here.
Keywords: low beta; beta electron; electron; electron positron ... See more keywords
Double Beltrami states and loss of equilibrium in electron, positron and ion plasmas
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Plasma Physics"
DOI: 10.1017/s0022377819000436
Abstract: It is shown that an electron, positron and ion plasma can be self-organized to a double Beltrami state – the superposition of two force-free states. The scale parameters which determine the nature of the self-organized… read more here.
Keywords: double beltrami; electron positron; positron ion; loss equilibrium ... See more keywords
Double layers and solitary structures in electron-positron-ion plasma with Kappa distributed trapped electrons
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DOI: 10.1063/1.4986990
Abstract: The effect of electron trapping in an electron-positron-ion plasma is modeled with κ-distributed electrons. The trapped electron number density is truncated to some finite order of the electrostatic potential Φ. Small amplitude solitary structures with… read more here.
Keywords: positron; double layers; positron ion; ion plasma ... See more keywords
Electron and positron interaction with pyrimidine: A theoretical investigation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5024969
Abstract: Pyrimidine (C4H4N2) is considered as the building block of nucleobases, viz., cytosine, thymine and uracil. They provide a blueprint for probing the scattering of radiation by DNA and RNA bases. In this article, we report… read more here.
Keywords: positron; positron interaction; positron scattering; interaction pyrimidine ... See more keywords
Nonlinear electrostatic waves in an electron–positron plasma
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DOI: 10.1063/1.5130013
Abstract: This paper presents a theoretical and numerical study of all possible nonlinear electrostatic waves in an unmagnetized and collisionless electron–positron plasma. From a two-component plasma with an arbitrary ion/positron-to-electron mass ratio β and a temperature… read more here.
Keywords: positron plasma; electrostatic waves; electron positron; nonlinear electrostatic ... See more keywords
Short-wavelength soliton in ultrarelativistic electron–positron–ion plasmas
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DOI: 10.1063/5.0051164
Abstract: We derive a nonlinear equation governing dynamics of short-wavelength longitudinal waves in ultrarelativistic electron-positron-ion plasmas. In contrast to the recent work by Lashkin [Phys. Plasmas 27, 102302 (2020)], where a similar equation was suggested in… read more here.
Keywords: plasmas; short wavelength; ion; electron ... See more keywords
First direct measurement of electron and positron bunch characteristics at the positron source of the SuperKEKB B-factory
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DOI: 10.1063/5.0145776
Abstract: Electron (e−) and positron (e+) bunch characteristics were directly measured for the first time by using wideband beam monitors (WBMs) and a detection system at the e+ source of the SuperKEKB B-factory. Secondarily generated e−… read more here.
Keywords: electron positron; superkekb factory; source superkekb; bunch ... See more keywords