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Measurement of the rare decay pi0 -> e+ e-
E. Abouzaid
The branching ratio of the rare decay pi0 -> e+ e- has been measured precisely, using the complete data set from the KTeV E799-II experiment at Fermilab. We observe 794 candidate p…
Galaxy Clusters Associated with Short GRBs. II. Predictions for the Rate of Short GRBs in Field and Cluster Early-Type Galaxies
Min-Su Shin, Edo Berger
We determine the relative rates of short GRBs in cluster and field early-type galaxies as a function of the age probability distribution of their progenitors, P(τ) \propto τ^n. Thi…
Improved KL->pi e nu Form Factor and Phase Space Integral with Reduced Model Uncertainty
KTeV collaboration, E. Abouzaid
Using the published KTeV sample of 2 million KL-> pi e nu decays and a new form factor expansion with a rigorous bound on higher order terms, we present a new determination of the…
Measurement of Direct Emission in the KL->pi+pi-gamma Decay Mode
KTeV Collaboration
In this paper the KTeV collaboration reports the analysis of 112.1*10^3 candidate KL->pi+pi-gamma decays including a background of 671+/-41 events with the objective of determining…