The influence of non-parallelism of electron and positron velocities upon high-energy e+e− pair ionization loss in thin plate

Trofymenko, S. V.; Шульга, Н.Ф.

doi:10.1016/j.nimb.2015.02.041

Cited by 3 publications

(1 citation statement)

References 16 publications

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“…The ionization energy loss of the electron-positron produced by pair production is expected to reach twice the ionization loss of a single electron. However, when the electron-positron pair's transverse separation is too small around the production point, the ionization energy loss in a substance decreases, as the oppositely charged particles affect each other's electric field (Trofymenko & Shul'ga, 2015). That is, suppression of ionization occurs due to the interference of electromagnetic fields of electron-positron pairs (Iwadare, 1958).…”

Section: Introductionmentioning

confidence: 99%

Determination of Ionization Energy Loss of Electron-Positron Pair in Multi-GeV Region

KOLCU

2023

Ordu Üniversitesi Bilim Ve Teknoloji Dergisi

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The suppression of ionization energy loss owing to the Chudakov effect is discussed using the opening angles of the electron-positron pairs from the GEANT4 simulation package. The expected Borsellino and Olsen angles for photon energies between 1-178 GeV were presented and compared with the simulated opening angles. The simulated opening angles of the electron-positron pair are mostly compatible with the Borsellino angle for energies below 30 GeV. The ionization-suppression effect was reproduced using known theoretical approaches and compared with the corresponding simulated results. The results showed that the GEANT4 simulation package is suitable for adopting the Chudakov effect in a simulation environment, with a dataset that provides theory-experiment consistency.

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Section: Introductionmentioning

confidence: 99%

Determination of Ionization Energy Loss of Electron-Positron Pair in Multi-GeV Region

KOLCU

2023

Ordu Üniversitesi Bilim Ve Teknoloji Dergisi

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Anomalous ionization loss of high-energy e+e− pairs in thin targets

Trofymenko

Шульга

2017

Nuclear Instruments and Methods in Physics Research Section B:

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Chudakov effect for the most probable value of high-energy electron–positron pair ionization loss in thin targets

Trofymenko

2023

Eur. Phys. J. C

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The ionization loss of a high-energy electron–positron pair in thin targets is considered. The targets not thinner than about 10 $$\upmu $$ μ m are discussed. The analogue of the Landau distribution function is derived for this loss under the condition when the Chudakov effect of the pair ionization loss suppression is manifested. Expression for the most probable value of the pair ionization loss $$E_{MP}$$ E MP is obtained. It is shown that the magnitude of Chudakov effect for $$E_{MP}$$ E MP can be noticeably different from the magnitude of this effect for the restricted mean value of the pair ionization loss.

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The influence of non-parallelism of electron and positron velocities upon high-energy e+e− pair ionization loss in thin plate

Cited by 3 publications

References 16 publications

Determination of Ionization Energy Loss of Electron-Positron Pair in Multi-GeV Region

Determination of Ionization Energy Loss of Electron-Positron Pair in Multi-GeV Region

Anomalous ionization loss of high-energy e+e− pairs in thin targets

Chudakov effect for the most probable value of high-energy electron–positron pair ionization loss in thin targets

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