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Persistent URL http://purl.org/net/epubs/work/10697035
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Record Id 10697035
Title Prospects for measuring the gravitational free-fall of antihydrogen with emulsion detectors
Abstract The main goal of the AEgIS experiment at CERN is to test the weak equivalence principle for antimatter. AEgIS will measure the free-fall of an antihydrogen beam traversing a moir´e deflectometer. The goal is to determine the gravitational acceleration ¯ g with an initial relative accuracy of 1% by using an emulsion detector combined with a silicon m-strip detector to measure the time of flight. Nuclear emulsions can measure the annihilation vertex of antihydrogen atoms with a precision of 1–2 mm r.m.s. We present here results for emulsion detectors operated in vacuum using low energy antiprotons from the CERN antiproton decelerator. We compare with Monte Carlo simulations, and discuss the impact on the AEgIS project.
Organisation CI
Keywords and simulations I (interaction of radiation with matter, interaction of photons with matter, interaction of hadrons with matter, etc) , Particle tracking detectors; Ionization and excitation processes; Detector modelling
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Language English (EN)
Type Details URI(s) Local file(s) Year
Journal Article JINST 8 (2013): P08013. doi:10.1088/1748-0221/8/08/P08013 2013