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19952023
most citedObservation of Direct CP Violation in K_{S,L} to ππDecays

369 citations · 1.3k across the 17 of their papers we have counts for

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hep-ex2023

Suppression of Neutron Background using Deep Neural Network and Fourier Frequency Analysis at the KOTO Experiment

Y. -C. Tung, J. Li, Y. B. Hsiung +9

We present two analysis techniques for distinguishing background events induced by neutrons from photon signal events in the search for the rare decay a…

hep-ex2010★ 162 cited

Precise Measurements of Direct CP Violation, CPT Symmetry, and Other Parameters in the Neutral Kaon System

KTeV Collaboration, E. Abouzaid, M. Arenton +56

We present precise tests of CP and CPT symmetry based on the full dataset of K to pipi decays collected by the KTeV experiment at Fermi National Accelerator Laboratory during 1996,…

hep-ex2008★ 24 cited

Detailed Study of the KL -> 3pi0 Dalitz Plot

E. Abouzaid

Using a sample of 68 million KL -> 3pi0 decays collected in 1996-1999 by the KTeV (E832) experiment at Fermilab, we present a detailed study of the KL -> 3pi0 Dalitz plot density.…

hep-ex2007★ 41 cited

Search for the Decay

E391a Collaboration, J. K. Ahn

We performed a search for the decay at the KEK 12-GeV proton synchrotron. No candidate events were observed. An upper limit on the branching ratio for the de…

hep-ex2006★ 92 cited

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…

hep-ex2006★ 7 cited

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…

hep-ex2006★ 19 cited

New limit on the decay rate

E391a Collaboration, J. K. Ahn

The first dedicated experiment for the rare kaon decay has been performed by the E391a collaboration at the KEK 12-GeV proton synchrotron. A new upper limit…

hep-ex2004★ 16 cited

Measurements of the Branching Fractions and Decay Distributions for KL->πμνγand KL->πeνγ

T. Alexopoulos, T. Andre, M. Arenton +56

We present measurements of R_Kl3rad = Gamma(KL->π\ellνγ; Egcm > 10 MeV)/Gamma(KL->π\ellν), where ell = mu or e, and Egcm is the photon energy in the kaon rest frame. These measurem…

hep-ex2004★ 67 cited

Measurements of Semileptonic KL Decay Form Factors

KTeV Collaboration, T. Alexopoulos

We present new measurements of KL semileptonic form factors using data collected in 1997 by the KTeV (E832) experiment at Fermilab. The measurements are based 1.9 million KL->pi e…

hep-ex2004★ 56 cited

Measurements of KL Branching Fractions and the CP Violation Parameter |eta+-|

KTeV Collaboration, T. Alexopoulos

We present new measurements of the six largest branching fractions of the KL using data collected in 1997 by the KTeV experiment (E832) at Fermilab. The results are B(KL -> pi e nu…

hep-ex2003★ 126 cited

Search for the Rare Decay KL --> pi0 ee

KTeV collaboration, A. Alavi-Harati

The KTeV/E799 experiment at Fermilab has searched for the rare kaon decay KL--> pi0ee. This mode is expected to have a significant CP violating component. The measurement of its br…

hep-ex2002★ 18 cited

Measurements of the Decay KL->e+e-mu+mu-

The KTeV Collaboration

The KTeV experiment at Fermilab has isolated a total of 132 events from the rare decay KL->e+e-mu+mu-, with an estimated background of 0.8 events. The branching ratio of this mode…

hep-ex2002★ 158 cited

Measurements of Direct CP Violation, CPT Symmetry, and Other Parameters in the Neutral Kaon System

KTeV Collaboration, A. Alavi-Harati

We present a series of measurements based on K -> pi+pi- and K -> pi0pi0 decays collected in 1996-1997 by the KTeV experiment (E832) at Fermilab. We compare these four K -> pipi de…

hep-ex1999★ 71 cited

Observation of CP Violation in K(L)->pi+pi-e+e- Decays

KTeV Collaboration

We report the first observation of a manifestly CP violating effect in the K(L)->pi+pi-e+e- decay mode. A large asymmetry was observed in the distribution of these decays in the CP…

hep-ex1999★ 51 cited

Search for the Decay K_L -> pi^0 nu nubar using pi^0 -> e^+ e^- gamma

A. Alavi-Harati

We report on a search for the decay K_L -> pi^0 nu nubar, carried out as a part of E799-II, a rare K_L decay experiment at Fermilab. Within the Standard Model, the K_L -> pi^0 nu n…

hep-ex1999★ 369 cited

Observation of Direct CP Violation in K_{S,L} to ππDecays

KTeV Collaboration

We have compared the decay rates of K_L and K_S to π^+ π^- and π^0 π^0 final states using a subset of the data from the KTeV experiment (E832) at Fermilab. We find that the direct-…

hep-ex1995★ 16 cited

A Measurement of the Branching Ratio and Form Factor of K_L->mu mu gamma

M. B. Spencer et. al

We report on a measurement of the decay from Fermilab experiment E799. We observe candidate signal events with an estimated background of $10.5 \pm 4.…