Exact(13)
Deutsch discovered two forms of positronium; the first decays by annihilation into two equal photons, while the second annihilates into three photons.
CMD-3 is a general purpose detector designed to study e+e− annihilation into hadrons.
CMD-3 is a general purpose detector designed to study e+e− annihilation into hadrons in the wide energy range s= 0.3 2GeV.
The self-annihilation process is giving rise to gamma-ray production through hadronization including the production of neutral pions which decay into gamma-rays but also through (loop-suppressed) annihilation into final states of almost mono-energetic photons.
Burton Richter, of the SLAC-LBL collaboration, and Sam Ting, of the Brookhaven group, received the 1976 Nobel Prize in Physics "for their pioneering work in the discovery of a heavy elementary particle of a new kind". SP-17 proposal "An Experimental Survey of Positron-Electron Annihilation into Multiparticle Final States in the s Range 27 to 74 GeV2" Burton Richter.
Parapositronium, in which the spins of the positron and electron are oppositely directed, decays by annihilation into two photons, with a mean life of about one-tenth of a nanosecond (or 10-10 second; a nanosecond is 10−9 second); and orthopositronium, in which the spins are in the same direction, annihilates into three photons with a mean life of about 100 nanoseconds (10-7 second).
Similar(47)
The best fitting in tellurite glass samples was found to occur at the resolution of the annihilation spectrum into two components of τ 1 and τ 2 lifetimes and respective I1 and I2intensities (Table 2).
Coming off the sneaky success of slow-burn sci-fi thriller Ex Machina, Alex Garland's latest raises the stakes dramatically on two fronts: One, with a budget of $55 million, Annihilation falls into the nervous realm of "oh-fuck-what-if-it-tanks?" for a beleaguered Paramount; and two, Garland's chosen to adapt an award-winning novel, one that's been notoriously labeled "unfilmable" in the past.
Coming off the sneaky success of slow-burn sci-fi thriller Ex Machina, Alex Garland's latest raises the stakes dramatically on two fronts: one, with a budget of $55 million, Annihilation falls into the nervous realm of "oh-fuck-what-if-it-tanks?" for a beleaguered Paramount; and two, Garland's chosen to adapt an award-winning novel, one that's been notoriously labeled "unfilmable" in the past.
A series of flashbacks reveals that Kratos was once the servant of Ares, who saved the Spartan and his army from annihilation in battle, tricked him into killing his family, and forced his metamorphosis into the "Ghost of Sparta".
Besides there reigned an implacable hatred in the breasts of the Greeks against those who subverted a republican government; and for this reason anarchy degenerated into annihilation, instead of being changed into tyranny.
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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com