Focusing of Intense Ion Beams from Pinched-Beam Diodes

Goldstein, Shyke A.; Cooperstein, G.; Lee, Roswell; Mosher, D.; Stephanakis, S. J.

doi:10.1103/physrevlett.40.1504

Cited by 56 publications

(7 citation statements)

References 7 publications

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“…However, when space charge effects on the ions are considered, the cooling length increases to about 2 -3 km; definitely a show stopper! Subsequently, a possible solution was found: co-injection of 2 MeV protons from a proton diode similar to those generated at NRL 25 , but with higher energy than their 1.2 MeV, and much lower current than their 1 MA (should be a relatively straight forward task). Co-injection of equal 2 MeV proton current will solve the space-charge problem associated with the electron beam.…”

Section: Discussionmentioning

confidence: 99%

Issues Concerning High Current Low Energy Electron Beams Required for Ion Cooling between EBIS LINAC and Booster

Hershcovitch¹

2009

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Some issues, regarding a low energy high current electron beam that will be needed for electron beam cooling to reduce momentum of gold ions exiting the EBIS LINAC before injection into the booster, are examined. Options for propagating such an electron beam, as well as the effect of neutralizing background plasma on electron and ion beam parameters are calculated. Computations and some experimental data indicate that none of these issues is a show stopper.

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Section: Discussionmentioning

confidence: 99%

Issues Concerning High Current Low Energy Electron Beams Required for Ion Cooling between EBIS LINAC and Booster

Hershcovitch¹

2009

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“…Subsequently, a solution was found: co-injection of 2 MeV protons. There are two feasible possibilities: injecting the protons from a proton diode similar to those generated at NRL 41 , but with higher energy than their 1.2 MeV, and much lower current than their 1 MA (should be a relatively straight forward task). Or, a better possibility is to mount a conventional, clean proton ion source "floating" on top of a positively charge Marx generator to obtain the needed proton beam.…”

Section: Discussionmentioning

confidence: 99%

Single pass electron beam cooling of gold ions between EBIS LINAC and booster is theoretically possible!

Hershcovitch¹

2011

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Electron beam cooling is examined as an option to reduce momentum of gold ions exiting the EBIS LINAC before injection into the booster. Electron beam parameters are based on experimental data (obtained at BNL) of electron beams extracted from a plasma cathode. Many issues, regarding a low energy high current electron beam that is needed for electron beam cooling to reduce momentum of gold ions exiting the EBIS LINAC before injection into the booster, were examined. Computations and some experimental data indicate that none of these issues is a show stopper. Preliminary calculations indicate that single pass cooling is feasible; momentum spread can be reduced by more than an order of magnitude in about one meter. Hence, this option cooling deserves further more serious considerations.

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“…~lmost all work in this field has been directed towards the construction of extremely high current, single-stage, singleshot devices (ion diodes) (Dreike, et al, 1979;Goldstein, et al, 1978;Miller, et al, 1979). In contrast, efforts in the Pulselac Program (Humphries, 1978a) Primary interest in high intensity pulsed ion accelerators has derived from applications to inertial confinement fusion.…”

Section: Disclaimermentioning

confidence: 99%

High-powered pulsed-ion-beam acceleration and transport

Humphries¹,

Lockner²

1981

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This book was prepared as an account of work sponsored by an agency of tho U~ited States Government. Neither the United States Governmem nor any agency thereof, nor any of the•r employees, makes any warranty, express or implied, or assumes any legal liability or responsibilily for th~ accuracy, completeness, or usefulness of any information, apparatus. product. or process disclosed,. ~r represents that its use v.c~uld not infringe privately owned rights. Reference herein to any. spec1hc commercial product, process, or service by trade name, trademark, ~nufacturer, .or Otherwise, ~oes not necessarily constitute or imply its endorsemem. recommendauon, or favonng by th.e Un•ted States Government or anv agency thereof, The views and opinions of authors expressed here1n do not necessarily state or renect tnu~ ur lh~: U11itcJ ~totC.l Covcrnmont or any :l' jJOI' Ic:y th•m~nf.

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Focusing of Intense Ion Beams from Pinched-Beam Diodes

Cited by 56 publications

References 7 publications

Issues Concerning High Current Low Energy Electron Beams Required for Ion Cooling between EBIS LINAC and Booster

Issues Concerning High Current Low Energy Electron Beams Required for Ion Cooling between EBIS LINAC and Booster

Single pass electron beam cooling of gold ions between EBIS LINAC and booster is theoretically possible!

High-powered pulsed-ion-beam acceleration and transport

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