Numerical description and development of plasma stripper targets for heavy-ion beams

Engelbrecht, M.; Engelhardt, Marina; Flierl, H.-P.; Jacoby, J.; Kolb, Juergen F.; Kowalewicz, R.; Meineke, A.; Philipps, J.; Hoffmann, D. H. H.

doi:10.1016/s0168-9002(98)00435-5

Cited by 5 publications

(2 citation statements)

References 15 publications

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“…In discharge plasmas, such as z-pinch plasmas, the interaction between projectiles and the cold gases used to produce the discharges at the boundaries of a plasma column is almost unavoidable. 12 The motions of the lowenergy projectile ions are also affected by the strong magnetic field caused by the discharge current. Therefore, such discharge plasmas are not suitable for stripping of lowenergy ions, at least for feasibility studies, required for determination of the merits of a plasma stripper.…”

Section: Dielectronic Recombinationmentioning

confidence: 99%

Experimental study on the feasibility of hot plasmas as stripping media for MeV heavy ions

Shibata

Tsubuku

Nishimoto

et al. 2002

Journal of Applied Physics

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The feasibility of using hot plasmas as strippers for low-energy ion beams has been investigated by measuring charge state distributions of 350 keV/u ions ( 12 C, 16 O, 19 F) after their passage through a laser-produced plasma target. The plasma target was produced by irradiating a small pellet of lithium hydride with a Nd-glass laser. The profiles of electron densities of the plasma target were estimated from the intensity profiles of an Ar laser refracted by the plasma. The intensities of ions with different charge states were simultaneously measured using a time-resolved magnetic spectrograph. It was found that this plasma can yield higher charge states than conventional gaseous or solid strippers. Results of a numerical analysis are compared with the experimental data to explain the observed stripping capability of the plasma.

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Section: Dielectronic Recombinationmentioning

confidence: 99%

Experimental study on the feasibility of hot plasmas as stripping media for MeV heavy ions

Shibata

Tsubuku

Nishimoto

et al. 2002

Journal of Applied Physics

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“…The physics of fast-ion slowing-down in ionized matter (plasma) is a topic relevant to diverse areas of research and applications including solid-state physics 1 – 3 , astrophysics 2 , plasma strippers, plasma ion heating and fusion sciences 4 , 5 . However, a full and complete picture of this physics is still eluding us, due to both difficulties from the experimental and theoretical points of view.…”

Section: Introductionmentioning

confidence: 99%

Experimental evidence for the enhanced and reduced stopping regimes for protons propagating through hot plasmas

Chen

Atzeni

Gangolf

et al. 2018

Sci Rep

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Our understanding of the dynamics of ion collisional energy loss in a plasma is still not complete, in part due to the difficulty and lack of high-quality experimental measurements. These measurements are crucial to benchmark existing models. Here, we show that such a measurement is possible using high-flux proton beams accelerated by high intensity short pulse lasers, where there is a high number of particles in a picosecond pulse, which is ideal for measurements in quickly expanding plasmas. By reducing the energy bandwidth of the protons using a passive selector, we have made proton stopping measurements in partially ionized Argon and fully ionized Hydrogen plasmas with electron temperatures of hundreds of eV and densities in the range 1020–1021 cm−3. In the first case, we have observed, consistently with previous reports, enhanced stopping of protons when compared to stopping power in non-ionized gas. In the second case, we have observed for the first time the regime of reduced stopping, which is theoretically predicted in such hot and fully ionized plasma. The versatility of these tunable short-pulse laser based ion sources, where the ion type and energy can be changed at will, could open up the possibility for a variety of ion stopping power measurements in plasmas so long as they are well characterized in terms of temperature and density. In turn, these measurements will allow tests of the validity of existing theoretical models.

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Review of the State-of-the-Art Development of the Spherical Theta Pinch Plasma Source

Loisch

Cistakov

et al. 2014

IEEE Trans. Plasma Sci.

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Numerical description and development of plasma stripper targets for heavy-ion beams

Cited by 5 publications

References 15 publications

Experimental study on the feasibility of hot plasmas as stripping media for MeV heavy ions

Experimental study on the feasibility of hot plasmas as stripping media for MeV heavy ions

Experimental evidence for the enhanced and reduced stopping regimes for protons propagating through hot plasmas

Review of the State-of-the-Art Development of the Spherical Theta Pinch Plasma Source

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