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

Trofymenko, S. V.; Шульга, Н.Ф.

doi:10.1016/j.nimb.2017.03.017

Cited by 2 publications

(1 citation statement)

References 15 publications

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“…That is, suppression of ionization occurs due to the interference of electromagnetic fields of electron-positron pairs (Iwadare, 1958). This is called the Chudakov or King-Perkins-Chudakov effect (Chudakov, 1955;Perkins, 1955) and has been extensively studied both theoretically and experimentally (Berestetskii, 1957;Burkhardt, 1958;Mito, 1957;Wolter, 1956;Yekutieli, 1957;Zieliński, 1985), with more detailed theoretical studies published over the last two decades (Shulʼga & Trofymenko, 2014;Trofymenko & Shul'ga 2017;Trofymenko, 2020;Thomsen & Uggerhøj, 2011;Trofymenko & Shulʼga, 2013). Cosmic ray experiments have been performed to observe the Chudakov effect, but these experiments offer limited statistics and are unable to control the beam energy (Iwadare, 1958;Perkins, 1955;Wolter, 1956).…”

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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