Antiproton stopping power data for radiation therapy simulations

The atomic hydrogen target has played a pivotal role in the development of quantum collision theory. The key complexities of computationally managing the countably infinite discrete states and the uncountably infinite continuum were solved by using atomic hydrogen as the prototype atomic target. In the case of positron or proton scattering the extra complexity of charge exchange was also solved using the atomic hydrogen target. Most recently, molecular hydrogen has been used successfully as a prototype molecule for developing the corresponding scattering theory. We concentrate on the convergent close-coupling computational approach to light projectiles, such as electrons and positrons, and heavy projectiles, such as protons and antiprotons, scattering on atomic and molecular hydrogen.

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“…The QM-CCC method has also been used to calculate antiproton stopping power of hydrogen [179,180] including the so-called nuclear stopping power.…”

Section: Antiproton Scatteringmentioning

confidence: 99%

Convergent close-coupling approach to light and heavy projectile scattering on atomic and molecular hydrogen

Bray

Abdurakhmanov

Bailey

et al. 2017

J. Phys. B: At. Mol. Opt. Phys.

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“…Both single-and two-center approaches have been used within the CCC method. This has allowed a check of the internal consistency of the method and also to obtain all cross sections of interest, including charge transfer, ionization and stopping power [40][41][42][43].…”

Section: Introductionmentioning

confidence: 99%

Positron-impact electronic excitations and mass stopping power of H2

et al. 2019

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Positron-impact electronic excitation cross sections, mean excitation energies and mass stopping power of the H2 molecule have been calculated for energies from 10 eV up to 2 keV using the convergent close-coupling method that utilizes single and two-center expansions. Results are compared to previous studies. Application of Bragg's rule of stopping power additivity is discussed by comparing results obtained for atomic (H) and molecular (H2) targets for positron impact.

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“…From a fundamental point of view, these collisions are central to understand the physics of antiparticles [3]. In more applied perspectives, processes occurring in a single antiproton collision are responsible for the slowing down and thus energy deposition of the ions into solids, which is relevant in material science [4] and radiation therapy [5].…”

Section: Introductionmentioning

confidence: 99%

Single- and double-ionization processes of antiproton-helium and antiproton–molecular hydrogen collisions in the keV energy range

et al. 2023

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Antiproton stopping power data for radiation therapy simulations

Cited by 8 publications

References 18 publications

Convergent close-coupling approach to light and heavy projectile scattering on atomic and molecular hydrogen

Convergent close-coupling approach to light and heavy projectile scattering on atomic and molecular hydrogen

Positron-impact electronic excitations and mass stopping power of H2

Single- and double-ionization processes of antiproton-helium and antiproton–molecular hydrogen collisions in the keV energy range

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