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58 papers · 1 filter
Inclusive Production of Charged Hadrons in Photon-Photon Collisions
The OPAL collaboration
The inclusive production of charged hadrons in the collisions of quasi-real photons e+e- -> e+e- +X has been measured using the OPAL detector at LEP. The data were taken at e+e- ce…
A Profinite Approach to Stable Pairs
Karsten Henckell, John Rhodes, Benjamin Steinberg
We give a short proof, using profinite techniques, that idempotent pointlikes, stable pairs and triples are decidable for the pseudovariety of aperiodic monoids. Stable pairs are a…
Anti-Deuteron Production in Upsilon(nS) Decays and the Nearby Continuum
D. M. Asner
Using CLEO data, we study the production of the anti-deuteron, d-bar, in Upsilon(nS) resonance decays and the nearby continuum. The branching ratios obtained are B^dir(Upsilon(1S)…
Physics impact of ILC Higgs coupling measurements: the effect of theory uncertainties
Andrew Droll, Heather E. Logan
We study the effect of theoretical and parametric uncertainties on the ability of future Higgs coupling measurements at the International Linear Collider (ILC) to reveal deviations…
Search for Invisible Decays of the Upsilon(1S) Resonance
P. Rubin, CLEO Collaboration
We present a measurement of the branching fraction of invisible Upsilon(1S) decays, using 1.2 fb^{-1} of data collected at the Upsilon(2S) resonance with the CLEO III detector at C…
Closed subgroups of free profinite monoids are projective profinite groups
John Rhodes, Benjamin Steinberg
We prove that the class of closed subgroups of free profinite monoids is precisely the class of projective profinite groups. In particular, the profinite groups associated to minim…