Emittance growth from transient coherent synchrotron radiation

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If the energies of individual particles in a bunch change as the bunch traverses a bending system, even if it is achromatic, betatron oscillations can be excited. Consequently, the transverse emittance of the bunch will grow as it moves downstream. Short bunches may be particularly susceptible to emission of coherent synchrotron radiation which can act back on the particles to change their energies and trajectories. Because a bend spans a well-defined length and angle, the bunch-excited wakefield and its effect back on the bunch are inherently transient. We outline a recently developed theory of this effect and apply it to ... continued below

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4 p.

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Bohn, C.L.; Li, R. & Bisognano, J.J. October 1, 1996.

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Description

If the energies of individual particles in a bunch change as the bunch traverses a bending system, even if it is achromatic, betatron oscillations can be excited. Consequently, the transverse emittance of the bunch will grow as it moves downstream. Short bunches may be particularly susceptible to emission of coherent synchrotron radiation which can act back on the particles to change their energies and trajectories. Because a bend spans a well-defined length and angle, the bunch-excited wakefield and its effect back on the bunch are inherently transient. We outline a recently developed theory of this effect and apply it to example bending systems.

Physical Description

4 p.

Notes

INIS; OSTI as DE96015334

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  • Other Information: PBD: [1996]

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  • Other: DE96015334
  • Report No.: DOE/ER/40150--379
  • Report No.: JLAB-ACT--96-01
  • Grant Number: AC05-84ER40150
  • DOI: 10.2172/377713 | External Link
  • Office of Scientific & Technical Information Report Number: 377713
  • Archival Resource Key: ark:/67531/metadc676573

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Creation Date

  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Feb. 5, 2016, 8:03 p.m.

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Bohn, C.L.; Li, R. & Bisognano, J.J. Emittance growth from transient coherent synchrotron radiation, report, October 1, 1996; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc676573/: accessed October 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.