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Plasma density gradient injection of low absolute momentum spread electron bunches
Plasma density gradients in a gas jet were used to control the wake phase velocity and trapping threshold in a laser wakefield accelerator, producing stable electron bunches with longitudinal and transverse momentum spreads more than ten times lower than in previous experiments (0.17 and 0.02 MeV/c FWHM, respectively) and with central momenta of 0.76 +- 0.02 MeV/c. Transition radiation measurements combined with simulations indicated that the bunches can be used as a wakefield accelerator injector to produce stable beams with 0.2 MeV/c-class momentum spread at high energies.
Date:
December 22, 2007
Creator:
Geddes, C. G. R.; Nakamura, K.; Plateau, G. R.; Toth, Cs.; Cormier-Michel, E.; Esarey, E. et al.
Object Type:
Article
System:
The UNT Digital Library
The Bastrop Advertiser (Bastrop, Tex.), Vol. 154, No. 86, Ed. 1 Saturday, December 22, 2007
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
December 22, 2007
Creator:
McAuley, Davis
Object Type:
Newspaper
System:
The Portal to Texas History
Comanche Chief (Comanche, Tex.), No. 35, Ed. 1 Saturday, December 22, 2007
Weekly newspaper from Comanche, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 2007
Creator:
Wilkerson, James C., III
Object Type:
Newspaper
System:
The Portal to Texas History
The Baytown Sun (Baytown, Tex.), Vol. 87, No. 21, Ed. 1 Saturday, December 22, 2007
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 2007
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
The Metadata Education and Research Information Commons (MERIC): A Collaborative Teaching and Research Initiative
Article dicsussing the Metadata Education and Research Information Commons (MERIC), a collaborative teaching and research initiative.
Date:
December 22, 2007
Creator:
Vellucci, Sherry L.; Hsieh-Yee, Ingrid & Moen, William E.
Object Type:
Article
System:
The UNT Digital Library
The Llano News (Llano, Tex.), Vol. 120, No. 13, Ed. 1 Saturday, December 22, 2007
Weekly newspaper from Llano, Texas that includes local, state, and national news along with advertising.
Date:
December 22, 2007
Creator:
Stephenson, Jimmy
Object Type:
Newspaper
System:
The Portal to Texas History
Perry Daily Journal (Perry, Okla.), Vol. 115, No. 248, Ed. 1 Saturday, December 22, 2007
Daily newspaper from Perry, Oklahoma that includes local, state, and national news along with advertising.
Date:
December 22, 2007
Creator:
Brown, Gloria
Object Type:
Newspaper
System:
The Gateway to Oklahoma History