4He stopping cross sections in H2, He, N2, O2, Ne, Ar, Kr, e, CH4 and CO2

Baumgart, Helmut; Berg, Hermann; Huttel, E.; Pfaff, E.; Reiter, G.; Clausnitzer, G.

doi:10.1016/0167-5087(83)91324-8

Cited by 14 publications

(5 citation statements)

References 32 publications

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“…For the N-He pair reciprocity appears also to be obeyed by the predicted reduced stopping cross sections, and good agreement with measured values is found for data from Fukuda [35], Weyl [36] and Hvelplund [37] for N in He and data from Ormrod [26] and Baumgart et al [38] for He in N, whereas data from Fukuda [39] are noticeably lower.…”

Section: N-hesupporting

confidence: 75%

Reciprocity analysis of electronic stopping of slow ions

Sigmund

Kuzmin

Schinner

2019

Nuclear Instruments and Methods in Physics Research Section B:

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Reciprocity denotes the (approximate) equality of the electronic stopping cross section of element A in element B with the one of element B in element A. Reciprocity is expected in the energy range below ∼ 0.1 MeV/u. For ions heavier than protons, most measurements are performed by the transmission technique. In order to minimize nuclear energy loss, only a narrow beam of penetrating ions is allowed to enter the detector. This implies that also the electronic energy loss is underestimated. We have estimated the magnitude of the necessary correction on the basis of the PASS code and its influence on the expected reciprocity and find that reciprocity is not necessarily violated, even if the reported cross sections differ significantly. However, we also find differences between reported stopping cross sections and computed reduced stopping cross sections that we cannot reconcile on the basis of the PASS code. These differences are found to reflect the well-known Z 1 structure, which is not inherent in the present version of PASS.

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Section: N-hesupporting

confidence: 75%

Reciprocity analysis of electronic stopping of slow ions

Sigmund

Kuzmin

Schinner

2019

Nuclear Instruments and Methods in Physics Research Section B:

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“…In figure 19, we present the total, S t , electronic, S e , and nuclear, S n , contributions to the stopping cross section as a function of the initial projectile velocity, for the case of He + colliding with atomic Ne. In the same figure we compare with the experimental data of Chu and Powers [49], Fukuda [50] and of Baumgart et al [51]. The comparison of this single channel shows good agreement with the experiment.…”

Section: Stopping Cross Sectionssupporting

confidence: 68%

“…The error bars are represented by the shaded area. We note an [49]; (•, full squares) Fukuda [50]; (open squares) Baumgart et al [51]. Also for completeness we show the total cross section for He ++ ions colliding with atomic neon (dotted line).…”

Section: Stopping Cross Sectionsmentioning

confidence: 89%

Hydrogen and helium charge exchange collisions at kiloelectronvolt energies: an electron–nuclear dynamics review

Cabrera‐Trujillo¹

2010

Plasma Sources Sci. Technol.

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The electron transfer processes that occur during the collision of ions with atomic and molecular systems are of fundamental importance in the understanding of neutralization, fragmentation and bond rearrangement. In this work we present a review of the actual state in charge exchange processes in the few electronvolts up to several kiloelectronvolts within the electron-nuclear dynamics approach. We present the effects of single and double electron capture on stopping power, molecular fragmentation, differential and total cross sections. For the case of α particles, we present the effects of the target mass (target isotopic effect) when colliding with H, D and T atoms, together with the question of control of charge transfer by means of a short, intense laser pulse.

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“…For protons in isobutane we could find experimental data only in the energy range below 1 MeV/nucleon [23]. The agreement is within [24][25][26][27][28][29][30], CF 4 [22], Al and mylar [31][32][33][34][35][36] with the results of SRIM-2008 calculations (red solid line). The blue dashed lines show the SRIM-2008 stopping powers normalized to the experimental data.…”

Section: Generation Of Electronic Stopping Power Tablessupporting

confidence: 65%