Secondary electron emission from a thin carbon foil induced by H+, He2+ and Li3+ at fixed velocity of 1MeV/u

Ogawa, H.; Sorai, K.; Amano, Shigeru; Ishii, K.; Kaneko, T.

doi:10.1016/j.nimb.2013.03.024

Cited by 2 publications

(2 citation statements)

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“…Taking account of the angular acceptance of the present measurement, the yields of the emergent 1.0 MeV protons at 0.0 mrad are smaller than those emerging at angles larger than 1.0 mrad. Therefore the present result looks to be qualitatively consistent with our previous ones [21,30].…”

Section: Resultssupporting

confidence: 94%

“…On the other hand, for 1.0 MeV, a positive FB correlation observed at 0.0 mrad changes to a negative one at 1.0 and 2.0 mrad. In our previous experiment where a similar measurement was carried out by detecting all of the foil-transmitted protons for angle of emergence ranging from 0.0 to ∼7 mrad, a negative correlation was observed [21,30]. Taking account of the angular acceptance of the present measurement, the yields of the emergent 1.0 MeV protons at 0.0 mrad are smaller than those emerging at angles larger than 1.0 mrad.…”

Section: Resultssupporting

confidence: 49%

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Forward–backward correlated secondary-electron emission depending on the angle of emergence of protons transmitted through a thin carbon foil

Ogawa

Sorai

Amano

et al. 2014

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

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The statistical distributions of the secondary electrons (SEs) emitted forward and backward from a thin carbon foil have been measured simultaneously, in coincidence with foil-transmitted protons of 1.0 and 2.5 MeV, as a function of the angle of emergence, θ em , of the protons. Irrespective of the incident energy, the measured SE yields increase with increasing angle of emergence in both the forward and the backward directions. As for the forward-backward correlation of the SE emission, the forward-and backward-emitted SE yields induced by 2.5 MeV protons increase gradually with increasing number of SEs emitted in the opposite directions. This positive correlation becomes slightly more pronounced with increasing angle of emergence. On the other hand, for 1.0 MeV, a positive correlation observed at θ em = 0 mrad changes to a negative one at θ em = 1.0 and 2.0 mrad.

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Section: Resultssupporting

confidence: 94%

Section: Resultssupporting

confidence: 49%