Search Results - "Arefiev, A. V"

Enhanced Multi-MeV Photon Emission by a Laser-Driven Electron Beam in a Self-Generated Magnetic Field by Stark, D J, Toncian, T, Arefiev, A V

“…We use numerical simulations to demonstrate that a source of collimated multi-MeV photons with high conversion efficiency can be achieved using an all-optical…”
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Generation of megatesla magnetic fields by intense-laser-driven microtube implosions by Murakami, M., Honrubia, J. J., Weichman, K., Arefiev, A. V., Bulanov, S. V.

“…A microtube implosion driven by ultraintense laser pulses is used to produce ultrahigh magnetic fields. Due to the laser-produced hot electrons with energies…”
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Generating "superponderomotive" electrons due to a non-wake-field interaction between a laser pulse and a longitudinal electric field by Robinson, A P L, Arefiev, A V, Neely, D

“…It is shown that electrons with momenta exceeding the "free electron" limit of m(e)ca(0)(2)/2 can be produced when a laser pulse and a longitudinal electric…”
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Sign reversal in magnetic field amplification by relativistic laser-driven microtube implosions by Weichman, K., Murakami, M., Robinson, A. P. L., Arefiev, A. V.

“…We demonstrate and explain the surprising phenomenon of sign reversal in magnetic field amplification by the laser-driven implosion of a structured target…”
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Towards the optimisation of direct laser acceleration by Hussein, A E, Arefiev, A V, Batson, T, Chen, H, Craxton, R S, Davies, A S, Froula, D H, Gong, Z, Haberberger, D, Ma, Y, Nilson, P M, Theobald, W, Wang, T, Weichman, K, Williams, G J, Willingale, L

“…Abstract Experimental measurements using the OMEGA EP laser facility demonstrated direct laser acceleration (DLA) of electron beams to (505 ± 75) MeV with (140…”
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Strong surface magnetic field generation in relativistic short pulse laser-plasma interaction with an applied seed magnetic field by Weichman, K, Robinson, A P L, Murakami, M, Arefiev, A V

“…While plasma often behaves diamagnetically, we demonstrate that the laser irradiation of a thin opaque target with an embedded target-transverse seed magnetic…”
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Generation of Superponderomotive Electrons in Multipicosecond Interactions of Kilojoule Laser Beams with Solid-Density Plasmas by Sorokovikova, A, Arefiev, A V, McGuffey, C, Qiao, B, Robinson, A P L, Wei, M S, McLean, H S, Beg, F N

“…The interaction of a multipicosecond, kilojoule laser pulse with a surface of a solid target has been shown to produce electrons with energies far beyond the…”
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Magnetic field generation in a laser-irradiated thin collisionless plasma target by return current electrons carrying orbital angular momentum by Shi, Y, Weichman, K, Kingham, R J, Arefiev, A V

“…Magnetized high energy density physics offers new opportunities for observing magnetic field-related physics for the first time in the laser-plasma context. We…”
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Generation of focusing ion beams by magnetized electron sheath acceleration by Weichman, K., Santos, J. J., Fujioka, S., Toncian, T., Arefiev, A. V.

“…We present the first 3D fully kinetic simulations of laser driven sheath-based ion acceleration with a kilotesla-level applied magnetic field. The application…”
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The unexpected role of evolving longitudinal electric fields in generating energetic electrons in relativistically transparent plasmas by Willingale, L, Arefiev, A V, Williams, G J, Chen, H, Dollar, F, Hazi, A U, Maksimchuk, A, Manuel, M J-E, Marley, E, Nazarov, W, Zhao, T Z, Zulick, C

“…Superponderomotive-energy electrons are observed experimentally from the interaction of an intense laser pulse with a relativistically transparent target. For…”
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The influence of laser focusing conditions on the direct laser acceleration of electrons by Tang, H, Tangtartharakul, K, Babjak, R, Yeh, I-L, Albert, F, Chen, H, Campbell, P T, Ma, Y, Nilson, P M, Russell, B K, Shaw, J L, Thomas, A G R, Vranic, M, Arefiev, A V, Willingale, L

“…Abstract Direct laser acceleration of electrons during a high-energy, picosecond laser interaction with an underdense plasma has been demonstrated to be…”
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Investigation of laser pulse length and pre-plasma scale length impact on hot electron generation on OMEGA-EP by Peebles, J, Wei, M S, Arefiev, A V, McGuffey, C, Stephens, R B, Theobald, W, Haberberger, D, Jarrott, L C, Link, A, Chen, H, McLean, H S, Sorokovikova, A, Krasheninnikov, S, Beg, F N

“…A series of experiments studying pre-plasma's effect on electron generation and transport due to a high intensity laser were conducted on the OMEGA-EP laser…”
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Laser-driven acceleration of quasi-monoenergetic, near-collimated titanium ions via a transparency-enhanced acceleration scheme by Li, J, Forestier-Colleoni, P, Bailly-Grandvaux, M, McGuffey, C, Arefiev, A V, Bulanov, S S, Peebles, J, Krauland, C, Hussein, A E, Batson, T, Fernandez, J C, Palaniyappan, S, Johnson, R P, Petrov, G M, Beg, F N

“…Laser-driven ion acceleration has been an active research area in the past two decades with the prospects of designing novel and compact ion accelerators. Many…”
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Radiation rebound and quantum splash in electron-laser collisions by Gong, Z., Hu, R. H., Yu, J. Q., Shou, Y. R., Arefiev, A. V., Yan, X. Q.

“…The radiation reaction (RR) is expected to play a critical role in light-matter interactions at extreme intensity. Utilizing the theoretical analyses and…”
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Observation of self-sustaining relativistic ionization wave launched by a sheath field by McCormick, M, Arefiev, A V, Quevedo, H J, Bengtson, R D, Ditmire, T

“…We present experimental evidence supported by simulations of a relativistic ionization wave launched into a surrounding gas by the sheath field of a plasma…”
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Characterization of cluster/monomer ratio in pulsed supersonic gas jets by Gao, X., Wang, X., Shim, B., Arefiev, A. V., Korzekwa, R., Downer, M. C.

“…We determine cluster mass fraction f c ( r , t ) at position r within, and time t after firing, a pulsed supersonic gas jet by measuring femtosecond evolution…”
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Radiation reaction as an energy enhancement mechanism for laser-irradiated electrons in a strong plasma magnetic field by Gong, Z., Mackenroth, F., Yan, X. Q., Arefiev, A. V.

“…Conventionally, friction is understood as a mechanism depleting a physical system of energy and as an unavoidable feature of any realistic device involving…”
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Use of Large-Area Photodiodes for Improving the Characteristics of an Electromagnetic Calorimeter Based on Lead Tungstate Crystals by Balygin, K. A., Ippolitov, M. S., Klimov, A. I., Lebedev, V. A., Manko, V. I., Meleshko, E. A., Sibiriak, Yu. G., Akindinov, A. V., Izucheev, V. I., Arefiev, V. A., Vodopyanov, A. S., Gorbunov, N. V., Kuzmin, N. A., Nomokonov, P. V., Petukhov, Yu. P., Rufanov, I. A., Budnikov, D. V., Vikhlyantsev, O. V., Demanov, V. A., Zavyalov, N. V., Kuryakin, A. V., Tumkin, A. D., Filchagin, S. V.

“…It is shown that an increase in the area of photodetectors allows the PHOS electromagnetic calorimeter of the ALICE experiment to operate at room temperature…”
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Space-Time Structured Plasma Waves by Palastro, J P, Miller, K G, Follett, R K, Ramsey, D, Weichman, K, Arefiev, A V, Froula, D H

“…Electrostatic waves play a critical role in nearly every branch of plasma physics from fusion to advanced accelerators, to astro, solar, and ionospheric…”
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Broadband Analysis of the Wind System X1908+075 Based on NuSTAR Data by Shtykovsky, A. E., Arefiev, V. A., Lutovinov, A. A.

“…We present the results of our spectral and timing analysis of the X-ray pulsar X1908+075 based on data from the NuSTAR observatory in the wide X-ray energy…”
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