Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Andorf, M. B."'
Autor:
Levenson, S. J., Andorf, M. B., Dickensheets, B. D., Bazarov, I. V., Galdi, A., Encomendero, J., Protasenko, V. V., Jena, D., Xing, H. G., Maxson, J. M.
Spin-polarized photoemission from wurtzite and zinc-blende gallium nitride (GaN) photocathodes has been observed and measured for the first time. The p-doped GaN photocathodes were epitaxially grown and activated to negative electron affinity (NEA) w
Externí odkaz:
http://arxiv.org/abs/2405.04481
Autor:
Gordon, M., Li, W. H., Andorf, M. B., Bartnik, A. C., Duncan, C. J. R., Kaemingk, M., Pennington, C. A., Bazarov, I. V., Kim, Y. -K., Maxson, J. M.
Ultrafast electron diffraction (UED) is a technique in which short-pulse electron beams can probe the femtosecond-scale evolution of atomic structure in matter driven far from equilibrium. As an accelerator physics challenge, UED imposes stringent co
Externí odkaz:
http://arxiv.org/abs/2207.13634
Autor:
Duncan, C. J. R., Kaemingk, M., Li, W. H., Andorf, M. B., Bartnik, A. C., Galdi, A., Gordon, M., Pennington, C. A., Bazarov, I. V., Zeng, H. J., Liu, F., Luo, D., Sood, A., Lindenberg, A. M., Tate, M. W., Muller, D. A., Thom-Levy, J., Gruner, S. M., Maxson, J. M.
Ultrafast-optical-pump -- structural-probe measurements, including ultrafast electron and x-ray scattering, provide direct experimental access to the fundamental timescales of atomic motion, and are thus foundational techniques for studying matter ou
Externí odkaz:
http://arxiv.org/abs/2206.08404
Autor:
Li, W. H., Duncan, C. J. R., Andorf, M. B., Bartnik, A. C., Bianco, E., Cultrera, L., Galdi, A., Gordon, M., Kaemingk, M., Pennington, C. A., Kourkoutis, L. F., Bazarov, I. V., Maxson, J. M.
We report the design and performance of a time-resolved electron diffraction apparatus capable of producing intense bunches with simultaneously single digit micron probe size, long coherence length, and $200$ fs rms time resolution. We measure the 5d
Externí odkaz:
http://arxiv.org/abs/2111.07922
Autor:
Wang, S. T., Andorf, M. B., Bazarov, I. V., Bergan, W. F., Khachatryan, V., Maxson, J. M., Rubin, D. L.
Publikováno v:
Phys. Rev. Accel. Beams 24, 064001 (2021)
In preparation for a demonstration of optical stochastic cooling in the Cornell Electron Storage Ring (CESR) we have developed a particle tracking simulation to study the relevant beam dynamics. Optical radiation emitted in the pickup undulator gives
Externí odkaz:
http://arxiv.org/abs/2103.16419
Autor:
Andorf, M. B., Bergan, W. F., Bazarov, I. V., Maxson, J. M., Khachatryan, V., Rubin, D. L., Wang, S. T.
Publikováno v:
Phys. Rev. Accel. Beams 23, 102801 (2020)
A proposed experiment to demonstrate Optical Stochastic Cooling (OSC) in the Cornell Electron Storage Ring (CESR) based on an arc-bypass design is presented. This arc-bypass provides significantly longer optical delay than the dog-leg style chicane,
Externí odkaz:
http://arxiv.org/abs/2007.13136
An amplifier based on a highly-doped Chromium Zinc-Selenide (Cr:ZnSe) crystal is proposed to increase the pulse energy emitted by an electron bunch after it passes through an undulator magnet. The primary motivation is a possible use of the amplified
Externí odkaz:
http://arxiv.org/abs/2004.13223
Beam cooling enables an increase of peak and average luminosities and significantly expands the discovery potential of colliders; therefore, it is an indispensable component of any modern design. Optical Stochastic Cooling (OSC) is a high-bandwidth,
Externí odkaz:
http://arxiv.org/abs/1808.07922
Publikováno v:
Nucl. Instrum. Meth. Res. Sec. A 883 166-169 (2018)
Optical stochastic cooling (OSC) is expected to enable fast cooling of dense particle beams. Transition from microwave to optical frequencies enables an achievement of stochastic cooling rates which are orders of magnitude higher than ones achievable
Externí odkaz:
http://arxiv.org/abs/1711.07726
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