157 citations · 1.2k across the 33 of their papers we have counts for
25 papers · 1 filter
Search for the Rare Decays KL->pi0pi0mu+mu- and KL->pi0pi0X0->pi0pi0mu+mu-
KTeV Collaboration, E. Abouzaid, M. Arenton +47
The KTeV E799 experiment has conducted a search for the rare decays KL->pi0pi0mu+mu- and KL->pi0pi0X0->pi0pi0mu+mu-, where the X0 is a possible new neutral boson that was reported…
Dispersive analysis of K_{L mu3} and K_{L e3} scalar and vector form factors using KTeV data
KTeV collaboration, E. Abouzaid et al., V. Bernard +3
Using the published KTeV samples of K_L --> pi^{\pm} e^{\mp} nu and K_L --> pi^{\pm} mu^{\mp} nu decays [1], we perform a reanalysis of the scalar and vector form factors based on…
Final Results from the KTeV Experiment on the Decay KL -> pi0 gamma gamma
KTeV Collaboration, E. Abouzaid, M. Arenton +45
We report on a new measurement of the branching ratio B(KL->pi0 gamma gamma)using the KTeV detector. We reconstruct 1982 events with an estimated background of 608, that results in…
Cascade and anti-Cascade Polarization Measurements at 800 GeV/c
KTeV Collaboration
The polarization of neutral Cascade and anti-Cascade hyperons produced by 800 GeV/c protons on a BeO target at a fixed targeting angle of 4.8 mrad is measured by the KTeV experimen…
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…
A Measurement of the K0 Charge Radius and a CP Violating Asymmetry Together with a Search for CP Violating E1 Direct Photon Emission in the Rare Decay KL->pi+pi-e+e-
KTeV Collaboration
Using the complete KTeV data set of 5241 candidate KL->pi+pi-e+e- decays (including an estimated background of 204+-14 events), we have measured the coupling gCR=0.163+- 0.014(stat…
Search for right-handed W bosons in top quark decay
D0 Collaboration, V. Abazov
We present a measurement of the fraction f+ of right-handed W bosons produced in top quark decays, based on a candidate sample of events in the lepton+jets decay mode. T…
Search for Odderon-Induced Contributions to Exclusive pi^0 Photoproduction at HERA
H1 Collaboration, C. Adloff
A search for contributions to the reaction ep-> e pi^0 N^* from photon-Odderon fusion in the photoproduction regime at HERA is reported, at an average photon-proton centre-of-mass…
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…
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…
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…