Jan 19 – 30, 2015
Ecole de Physique des Houches
Europe/Zurich timezone

Scaling behavior of the ground-state antihydrogen yield from CTMC simulations

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Ecole de Physique des Houches

Ecole de Physique des Houches



Dr Balint Radics (RIKEN)


Poster is presented on CTMC simulation and antihydrogen level population calculation results. Ref: Phys. Rev. A 90, 032704 (2014)


Antihydrogen production has reached such a level that precision spectroscopic measurements of its properties are within reach. In particular, the ground-state level population is of central interest for experiments aiming at antihydrogen spectroscopy. The positron density and temperature dependence of the ground-state yield is a result of the interplay between recombination, collisional, and radiative processes. Considering the fact that antihydrogen atoms with the principal quantum number n=15 or lower quickly cascade down to the ground state within 1 ms, the number of such states is adopted as a measure of useful antihydrogen atoms. It has been found that the scaling behavior of the useful antihydrogen yield is different depending on the positron density and positron temperature.

Primary author

Dr Balint Radics (RIKEN)


Daniel James Murtagh (Inst. of Physical and Chemical Research (JP)) Francis Robicheaux (Purdue University (US)) Yasunori Yamazaki (-)

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