Abstract
We calculate the probability amplitude for tree-level elastic electron-muon scattering in Minkowski spacetime with carefully prepared initial and final wave packets. The obtained nonzero amplitude implies a nonvanishing probability for detecting a recoil electron outside the light-cone of the initial muon. Transposing this Minkowski-spacetime scattering result to a near-horizon spacetime region of a massive Schwarzschild black hole and referring to a previously proposed Gedankenexperiment, we conclude that, in principle, it is possible to have information transfer from inside the black-hole horizon to outside.
Highlights
Martinus Justinus Godefriedus Veltman passed away on January 4, 2021
This memorial volume of Acta Physica Polonica B is a special tribute to the Nobel Laureate Martinus Veltman
The decision to prepare this book came up spontaneously, approximately one month later along with the idea to publish it on the ninetieth anniversary of Veltman’s birth on June 27. With this very short deadline we addressed former students, collaborators, friends and acquaintances of Martinus Veltman asking for an article for this volume, and for suggestions of other contributors
Summary
Martinus Justinus Godefriedus Veltman passed away on January 4, 2021. The decision to prepare this book came up spontaneously, approximately one month later along with the idea to publish it on the ninetieth anniversary of Veltman’s birth on June 27. This memorial volume of Acta Physica Polonica B is a special tribute to the Nobel Laureate Martinus Veltman. Veltman was a flesh and blood theorist, his contributions to particle physics were closely related to experiment as they allowed for precise tests of theory predictions.
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