V. Prasad

activity

19992026

K_{L} \to π^{0} μ^{+} μ^{-}

133 citations · 343 across the 16 of their papers we have counts for

collaborators

16 papers

hep-ex2026

Measurement of Born Cross Sections for $e^{+} e^{-} \to K^{+} Ξ^{0} Σ ˉ^{-}$ at $s = 3.51 - 4.95$ GeV and Observation of $ψ (3770) \to K^{+} Ξ^{0} Σ ˉ^{-}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +771

Using 44.55 fb $^{- 1}$ of $e^{+} e^{-}$ collision data collected by the BESIII detector at the BEPCII collider, we report the first measurement of the Born cross sections for the $e^+e^-…

hep-ex2026

Observation of $η_{c} (1 S) \to Σ^{0} Σ ˉ^{0}$ and search for $h_{c} (1 P) \to Σ^{0} Σ ˉ^{0}$ via $ψ (3686)$ transitions

BESIII Collaboration, M. Ablikim, M. N. Achasov +776

Using $(2712.4 \pm 14.3) \times 1 0^{6} ψ (3686)$ events collected by the BESIII detector operating at the BEPCII collider, the hadronic decay $η_{c} \to Σ^{0} Σ^{0} ˉ$ is observed fo…

hep-ex2025

First measurement of the absolute branching fractions of $Σ^{+}$ nonleptonic decays and test of the $Δ I = 1/2$ rule

BESIII Collaboration, M. Ablikim, M. N. Achasov +689

Based on $(10087 \pm 44) \times 1 0^{6}$ $J / ψ$ events collected by the BESIII detector at the center-of-mass energy $s = 3.097$ GeV, the first absolute measurement of the branc…

hep-ex2002★ 51 cited

A Measurement of the KL Charge Asymmetry

The KTeV Collaboration, A. Alavi-Harati

We present a measurement of the charge asymmetry $δ_{L}$ in the mode $K_{L} \to π^{\pm} e^{\mp} ν$ based on 298 million analyzed decays. We measure a value of $δ_L = (3322 \pm 58(stat) \…

hep-ex2001★ 9 cited

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…

hep-ex2001★ 7 cited

Branching Ratio Measurement of the decay K_L -> e+ e- mu+ mu-

Alavi-Harati

We have collected a 43 event sample of the decay $K_{L} \to e^{+} e^{-} μ^{+} μ^{-}$ with negligible backgrounds and measured its branching ratio to be $(2.62 \pm 0.40 \pm 0.17) \times 1 0^{- 9}$ .…

hep-ex2001★ 11 cited

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…

hep-ex2001★ 33 cited

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…

hep-ex2000★ 14 cited

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…

hep-ex2000★ 8 cited

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 +/-…

hep-ex2000★ 8 cited

A Measurement of the Branching Ratio of $K_{L} \to e^{+} e^{-} γ γ$

The KTeV Collaboration, A. Alavi-Harati

We report on a study of the decay $K_{L} \to e^{+} e^{-} γ γ$ carried out as a part of the KTeV/E799 experiment at Fermilab. The 1997 data yielded a sample of 1543 events, including an expe…

hep-ex2000★ 17 cited

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…

hep-ex2000★ 133 cited

Search for the Decay $K_{L} \to π^{0} μ^{+} μ^{-}$

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 $C P$ violating contribution and…

hep-ex2000★ 7 cited

Observation of the Decay $K_{L} \to μ^{+} μ^{-} γ γ$

A. Alavi-Harati

We have observed the decay $K_{L} \to μ^{+} μ^{-} γ γ$ at the KTeV experiment at Fermilab. This decay presents a formidable background to the search for new physics in $K_{L} \to π^{0} μ^{+} μ^{-}$ . Th…

hep-ex1999★ 29 cited

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…

hep-ex1999★ 16 cited

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 Born Cross Sections for e+e−→K+Ξ0Σˉ− at s​=3.51−4.95 GeV and Observation of ψ(3770)→K+Ξ0Σˉ−

Observation of ηc​(1S)→Σ0Σˉ0 and search for hc​(1P)→Σ0Σˉ0 via ψ(3686) transitions

First measurement of the absolute branching fractions of Σ+ nonleptonic decays and test of the ΔI=1/2 rule