Search Results - "Majernik, N"

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    Observation of Skewed Electromagnetic Wakefields in an Asymmetric Structure Driven by Flat Electron Bunches by Lynn, W, Xu, T, Andonian, G, Doran, D S, Ha, G, Majernik, N, Piot, P, Power, J, Rosenzweig, J B, Whiteford, C, Wisniewski, E

    Published in Physical review letters (19-04-2024)
    “…Relativistic charged-particle beams that generate intense longitudinal fields in accelerating structures also inherently couple to transverse modes. The…”
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    Resonant excitation of very high gradient plasma wakefield accelerators by optical-period bunch trains by Manwani, P., Majernik, N., Yadav, M., Hansel, C., Rosenzweig, J. B.

    Published in Physical review. Accelerators and beams (01-05-2021)
    “…The use of a periodic electron beam bunch train to resonantly excite plasma wakefields in the quasinonlinear (QNL) regime has distinct advantages over…”
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    Halbach undulators using right triangular magnets by Majernik, N., Rosenzweig, J. B.

    Published in Physical review. Accelerators and beams (26-09-2019)
    “…Undulators and wigglers based on Halbach arrays have been in widespread use since their description in the 1980s, due to the high fields they generate from…”
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    Beam shaping using an ultrahigh vacuum multileaf collimator and emittance exchange beamline by Majernik, N., Andonian, G., Lynn, W., Kim, S., Lorch, C., Roussel, R., Doran, S., Wisniewski, E., Whiteford, C., Piot, P., Power, J., Rosenzweig, J. B.

    Published in Physical review. Accelerators and beams (01-02-2023)
    “…We report the development of a multileaf collimator (MLC) for charged particle beams, based on independently actuated tungsten strips that can selectively…”
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    Single-shot, transverse self-wakefield reconstruction from screen images by Majernik, N., Lynn, W., Andonian, G., Xu, T., Piot, P., Rosenzweig, J. B.

    Published in Physical review. Accelerators and beams (01-09-2023)
    “…A single-shot method to reconstruct the transverse self-wakefields acting on a beam, based only on screen images, is introduced. By employing numerical…”
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    Compensating slice emittance growth in high brightness photoinjectors using sacrificial charge by Li, W. H., Bartnik, A. C., Fukasawa, A., Kaemingk, M., Lawler, G., Majernik, N., Rosenzweig, J. B., Maxson, J. M.

    Published in Physical review. Accelerators and beams (05-08-2024)
    “…Achieving maximum electron beam brightness in photoinjectors requires detailed control of the 3D bunch shape and precise tuning of the beam focusing. Even in…”
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    Positron driven high-field terahertz waves via dielectric wakefield interaction by Majernik, N., Andonian, G., Williams, O. B., O'Shea, B. D., Hoang, P. D., Clarke, C., Hogan, M. J., Yakimenko, V., Rosenzweig, J. B.

    Published in Physical review research (01-04-2022)
    “…Advanced acceleration methods based on wakefields generated by high-energy electron bunches passing through dielectric-based structures have demonstrated >GV/m…”
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    Optimization of low aspect ratio, iron dominated dipole magnets by Majernik, N., Barber, S. K., van Tilborg, J., Rosenzweig, J. B., Leemans, W. P.

    Published in Physical review. Accelerators and beams (27-03-2019)
    “…A study of the optimization of iron dominated dipole magnets with pole face widths comparable or less than the gap size, i.e., low aspect ratio (AR), is…”
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    Resonant excitation of betatron oscillations by Majernik, N., Rosenzweig, J.

    “…Resonant excitation of betatron oscillations is a proposed mechanism for creating large amplitude, sinusoidal electron oscillations by overlaying a standard…”
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    Adiabatic plasma lens experiments at SPARC by Rosenzweig, J.B., Filippi, F., Zigler, A., Anania, M.P., Andonian, G., Biagioni, A., Chiadroni, E., Cianchi, A., Deng, A., Ferrario, M., Lawler, G., Lynn, W., Majernik, N., Mori, W., Shpakov, V.

    “…Passive plasma lenses in the underdense regime have been shown to give extremely strong linear focusing, with strength proportional to the local plasma ion…”
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    A rotor-based multileaf collimator for beam shaping by Majernik, N, Andonian, G, Parrack, A, Rosenzweig, J. B, Doran, S, Wisniewski, E, Power, J

    Published 08-10-2024
    “…We introduce a new style of multileaf collimator which employs rotors with angularly dependent radius to control the masking aperture: a rotor-based multileaf…”
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