162 citations · 742 across the 21 of their papers we have counts for
21 papers
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,…
Search for the K(L) --> PI0 PI0 E+ E- Decay in the KTeV Experiment
KTeV Collaboration, A. Alavi-Harati
The recent discovery of a large CP violating asymmetry in K(L) --> PI+ PI- E+ E- mode has prompted us to seach for the associated K(L) --> PI0 PI0 E+ E- decay mode in the KTeV-E799…
A Measurement of the KL Charge Asymmetry
The KTeV Collaboration, A. Alavi-Harati
We present a measurement of the charge asymmetry in the mode based on 298 million analyzed decays. We measure a value of $δ_L = (3322 \pm 58(stat) \…
Radiative Decay Width Measurements of Neutral Kaon Excitations Using the Primakoff Effect
KTeV Collaboration, A. Alavi-Harati
We produce a sample consisting of 147 candidate events, with minimal backgrounds, of the mixed axial vector pair K1(1270)-K1(1400) by exciting Kl's in the Coulomb field of lead and…
Branching Ratio Measurement of the decay K_L -> e+ e- mu+ mu-
Alavi-Harati
We have collected a 43 event sample of the decay with negligible backgrounds and measured its branching ratio to be .…
A New Measurement of the Radiative Ke3 Branching Ratio and Photon Spectrum
Douglas R. Bergman
We present a new measurement of the branching ratio of the decay K_L -> pi e nu gamma (Ke3g) with respect to K_L -> pi e nu (Ke3), and the first study of the photon energy spectrum…
First Measurement of Form Factors of the Decay Xi0->Sigma+ e- anti-nu/e
KTeV collaboration
We present the first measurement of the form factor ratios g1/f1 (direct axial-vector to vector), g2/f1 (second class current) and f2/f1 (weak magnetism) for the decay Xi0 -> Sigma…
Measurements of the rare decay K_{L} -> e^{+} e^{-} e^{+} e^{-}
The KTeV Collaboration, A. Alavi-Harati
We observe 441 K_{L} -> e^{+} e^{-} e^{+} e^{-} candidate events with a background of 4.2 events and measure B(K_{L} -> e^{+} e^{-} e^{+} e^{-}) = (3.72 \pm 0.18(stat) \pm 0.23(sys…
A Measurement of the Branching Ratio and Asymmetry of the Decay Cascade^0-->Sigma^0/gamma
A. Alavi-Harti
We have studied the rare weak radiative hyperon decay Cascade0-->Sigma0/gamma in the KTeV experiment at Fermilab. We have identified 4045 signal events over a background of 804 eve…
First Observation of the decay KL -> pi0 e e gamma
The KTeV Collaboration
We report on the first observation of the decay KL -> pi0 ee gamma by the KTeV E799 experiment at Fermilab. Based upon a sample of 48 events with an estimated background of 3.6 +/-…
A Measurement of the Branching Ratio of
The KTeV Collaboration, A. Alavi-Harati
We report on a study of the decay carried out as a part of the KTeV/E799 experiment at Fermilab. The 1997 data yielded a sample of 1543 events, including an expe…
Search for the Decay Kl -> pi0 e+ e-
A. Alavi-Harati
We report on a search for the decay Kl -> pi0 e+ e- carried out by the KTeV/E799 experiment at Fermilab. This decay is expected to have a significant CP violating contribution and…
Study of the KL to PI+PI-GAMMA Direct Emission Vertex
J. Belz, the KTeV Collaboration
We have perfomed studies of the KL to PI+PI-GAMMA Direct Emission (DE) and Inner Bremsstrahlung (IB) vertices, based on data collected by KTeV during the 1996 Fermilab fixed target…
Search for the Decay
A. Alavi-Harati
We report on a search for the decay \klpimumu carried out as a part of the KTeV experiment at Fermilab. This decay is expected to have a significant violating contribution and…
Observation of the Decay
A. Alavi-Harati
We have observed the decay at the KTeV experiment at Fermilab. This decay presents a formidable background to the search for new physics in . Th…
Search for the Weak Decay of a Lightly Bound H Dibaryon
The KTeV Collaboration
We present results of a search for a neutral, six-quark, dibaryon state called the \h, a state predicted to exist in several theoretical models. Observation of such a state would s…
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…
Light Gluino Search for Decays Containing pi+pi- or pi0 from a Neutral Hadron Beam at Fermilab
A. Alavi-Harati et al, KTeV Collaboration
We report on two null searches, one for the spontaneous appearance of pairs, another for a single , consistent with the decay of a long-lived neutral particle into ha…
Measurement of the branching ratio of pi^0 -> e^+e^- using K_L -> 3 pi^0 decays in flight
KTeV Collaboration
The branching ratio of the rare decay pi^0 -> e^+e^- has been measured in E799-II, a rare kaon decay experiment using the KTeV detector at Fermilab. The pi^0's were produced in ful…
Measurement of the Decay KL -> Pi0 Gamma Gamma
A. Alavi-Harati et. al, the KTeV Collaboration
We report on a new measurement of the decay KL -> pi0 gamma gamma by the KTeV experiment at Fermilab. We determine the KL -> pi0 gamma gamma branching ratio to be (1.68 +/- 0.07 +/…
Search for Light Gluinos via the Spontaneous Appearance of pi+pi- Pairs with an 800 GeV/c Proton Beam at Fermilab
J. Adams
We searched for the appearance of pi+pi- pairs with invariant mass greater than 648 MeV in a neutral beam. Such an observation could signify the decay of a long-lived light neutral…