Cross sections for deuterium, tritium, and helium production in p¯p collisions at s=1.8 TeV
PHYSICAL REVIEW D(2000)
Abstract
We present the results of a search for the production of Light elements in (p) over bar p collisions at the Fermilab Tevatron collider. Momentum, time of flight, and dE/dx measurements are used to distinguish nuclei from elementary particles. A production ratio for deuterium to hydrogen is calculated and compared to the primordial value of the big bang model. Some evidence for tritium is found and none for helium isotopes.
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Key words
time of flight,big bang,elementary particles,cross section
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