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Physical Review Letters – 1 April 2002
Volume 88, Issue 13

CCD image of "betatron" x rays from a 28.5-GeV electron beam propagating through a less-dense plasma. The highly relativistic beam creates an ion channel as it expels electrons from the plasma; the channel in turn causes oscillations in the beam envelope, leading to the emission of radiation. This experiment, carried out at SLAC, is the first to show that an ion channel can act in this manner to generate radiation in the keV range. [Shuoqin Wang, C. E. Clayton, B. E. Blue, E. S. Dodd, K. A. Marsh, W. B. Mori, C. Joshi, S. Lee, P. Muggli, T. Katsouleas, F. J. Decker, M. J. Hogan, R. H. Iverson, P. Raimondi, D. Walz, R. Siemann, and R. Assmann, Phys. Rev. Lett. 88, 135004 (2002)]

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Gathered here for your convenience are articles that have been highlighted in Physics, selected as an Editors' Suggestion, or are of special interest for other reasons.

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General Physics

Gravitation and Astrophysics

Elementary Particles and Fields

Nuclear Physics

Atomic, Molecular, and Optical Physics

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Plasma and Beam Physics

Condensed Matter: Structure, etc.

Condensed Matter: Electronic Properties, etc.

Interdisciplinary Physics: Biological Physics, Quantum Information, etc.

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