V. De Leo

activity

20112022

σ (e^{+} e^{-} \to π^{+} π^{-} γ) / σ (e^{+} e^{-} \to μ^{+} μ^{-} γ)

and determination of the

π^{+} π^{-}

contribution to the muon anomaly with the KLOE detector

169 citations · 788 across the 24 of their papers we have counts for

collaborators

25 papers

hep-ex2022★ 1 cited

Direct tests of T, CP, CPT symmetries in transitions of neutral K mesons with the KLOE experiment

D. Babusci, M. Berłowski, C. Bloise +40

Tests of the T, CP and CPT symmetries in the neutral kaon system are performed by the direct comparison of the probabilities of a kaon transition process to its symmetry-conjugate.…

hep-ex2022

Measurement of the $K_{S} \to π e ν$ branching fraction with the KLOE experiment

D. Babusci, M. Berlowski, C. Bloise +40

The branching fraction for the decay $K_{S} \to π e ν$ has been measured with a sample of 300 million $K_{S}$ mesons produced in $ϕ \to K_{L} K_{S}$ decays recorded by the KLOE experiment at…

physics.ins-det2021

Reflection efficiency and spectra resolutions ray-tracing simulations for the VOXES HAPG crystal based Von Hamos spectrometer

V. De Leo, A. Scordo, C. Curceanu +2

The VOXES collaboration at INFN National Laboratories of Frascati developed a prototype of a high resolution Von Hamos X-ray spectrometer using HAPG (Highly Annealed Pyrolytic Grap…

hep-ex2021★ 1 cited

Precision tests of Quantum Mechanics and CPT symmetry with entangled neutral kaons at KLOE

D. Babusci, M. Berlowski, C. Bloise +55

The quantum interference between the decays of entangled neutral kaons is studied in the process $ϕ \to K_{S} K_{L} \to π^{+} π^{-} π^{+} π^{-}$ , which exhibits the characteristic E…

hep-ex2017★ 15 cited

Combination of KLOE $σ (e^{+} e^{-} \to π^{+} π^{-} γ (γ))$ measurements and determination of $a_{μ}^{π^{+} π^{-}}$ in the energy range $0.10 < s < 0.95$ GeV $^{2}$

2 Collaboration, A. Anastasi, D. Babusci +62

The three precision measurements of the cross section $σ (e^{+} e^{-} \to π^{+} π^{-} γ (γ))$ using initial state radiation by the KLOE collaboration provide an important input fo…

hep-ex2016★ 33 cited

Measurement of the running of the fine structure constant below 1 GeV with the KLOE Detector

2 Collaboration, A. Anastasi, D. Babusci +63

We have measured the running of the effective QED coupling constant $α (s)$ in the time-like region $0.6 < s < 0.975$ GeV with the KLOE detector at DA $Φ$ NE using the Initial Stat…

hep-ex2016

Precision measurement of the $η \to π^{+} π^{-} π^{0}$ Dalitz plot distribution with the KLOE detector

2 Collaboration, A. Anastasi, D. Babusci +61

Using $1.6$ fb $^{- 1}$ of $e^{+} e^{-} \to ϕ \to η γ$ data collected with the KLOE detector at DA $Φ$ NE, the Dalitz plot distribution for the $η \to π^{+} π^{-} π^{0}$ decay is studied with the worl…

hep-ex2016★ 41 cited

Measurement of the $ϕ \to π^{0} e^{+} e^{-}$ transition form factor with the KLOE detector

2 Collaboration, A. Anastasi, D. Babusci +61

A measurement of the vector to pseudoscalar conversion decay $ϕ \to π^{0} e^{+} e^{-}$ with the KLOE experiment is presented. A sample of $\sim 9500$ signal events was selected from a data…

hep-ex2015★ 126 cited

Limit on the production of a low-mass vector boson in $e^{+} e^{-} \to U γ$ , $U \to e^{+} e^{-}$ with the KLOE experiment

A. Anastasi, D. Babusci, G. Bencivenni +61

The existence of a new force beyond the Standard Model is compelling because it could explain several striking astrophysical observations which fail standard interpretations. We se…

nucl-ex2015★ 1 cited

Strangeness Photoproduction at the BGO-OD Experiment

T. C. Jude, S. Alef, D. Bayadilov +61

BGO-OD is a newly commissioned experiment to investigate the internal structure of the nucleon, using an energy tagged bremsstrahlung photon beam at the ELSA electron facility. The…

hep-ex2015★ 43 cited

Search for dark Higgsstrahlung in e+ e- -> mu+ mu- and missing energy events with the KLOE experiment

2 Collaboration, D. Babusci, G. Bencivenni +55

We searched for evidence of a Higgsstrahlung process in a secluded sector, leading to a final state with a dark photon U and a dark Higgs boson h', with the KLOE detector at DAFNE.…

hep-ex2015★ 1 cited

Measurement of hadronic cross section at KLOE/KLOE-2

Veronica De Leo

The measurement of the $σ (e^{+} e^{-} \to π^{+} π^{-})$ cross section allows to determine the pion form factor $∣ F_{π} ∣^{2}$ and the two pion contribution to the muon anomaly $a_{μ}$ . Such…

hep-ex2014★ 38 cited

Study of Dalitz decay phi -> eta e+e- with KLOE detector

D. Babusci, I. Balwierz-Pytko, G. Bencivenni +62

We have studied the vector to pseudoscalar conversion decay phi -> eta e+e-, with eta -> pi0pi0pi0, with the KLOE detector at DAPHNE. The data set of 1.7 fb-1 of e+e- collisions at…

nucl-ex2014★ 31 cited

First Measurement of the $Σ$ Beam Asymmetry in $η^{'}$ Photoproduction off the Proton near Threshold

P. Levi Sandri, G. Mandaglio, V. De Leo +33

The $Σ$ beam asymmetry in $η^{'}$ photoproduction off the proton was measured at the GrAAL polarised photon beam with incoming photon energies of 1.461 and 1.480 GeV. For both…

nucl-ex2014★ 7 cited

First measurement of the 2.4 and 2.9 MeV $^{6}$ He three-cluster resonant states via the $^{3}$ H( $^{4}$ He,p $α$ )2n four-body reaction

G. Mandaglio, O. Povoroznyk, O. K. Gorpinich +9

Two new low-lying $^{6}$ He levels at excitation energies of about 2.4 and 2.9 MeV were observed in the experimental investigation of the p- $α$ coincidence spectra obtained by the $^3…

hep-ex2014★ 113 cited

Search for light vector boson production in $e^{+} e^{-} \to μ^{+} μ^{-} γ$ interactions with the KLOE experiment

D. Babusci, I. Balwierz-Pytko, G. Bencivenni +66

We have searched for a light vector boson $U$ , the possible carrier of a "dark force", with the KLOE detector at the DA $Φ$ NE \epm\ collider, motivated by astrophysical evidence for…

hep-ex2013★ 86 cited

Test of CPT and Lorentz symmetry in entangled neutral kaons with the KLOE experiment

2 Collaboration, D. Babusci, I. Balwierz-Pytko +70

Neutral kaon pairs produced in phi decays in anti-symmetric entangled state can be exploited to search for violation of CPT symmetry and Lorentz invariance. We present an analysis…

nucl-ex2013★ 10 cited

Measurement of the Σ beam asymmetry for the ω photo-production off the proton and the neutron at GRAAL

V. Vegna, A. D'Angelo, O. Bartalini +34

We report on new measurements of the beam asymmetry for ω photo-production on proton and neutron in Hydrogen and Deuterium targets from the GRAAL collaboration. The beam asymmetry…

hep-ex2013

Recent results on hadron physics at KLOE

D. Babusci, D. Badoni, I. Balwierz-Pytko +71

One of the basic motivations of the KLOE and KLOE-2 collaborations is the test of fundamental symmetries and the search for phenomena beyond the Standard Model via the hadronic and…

hep-ex2013★ 33 cited

A new limit on the CP violating decay KS -> 3pi0 with the KLOE experiment

D. Babusci, D. Badoni, I. Balwierz-Pytko +70

We have carried out a new direct search for the CP violating decay KS -> 3pi0 with 1.7 fb^-1 of e+e- collisions collected by the KLOE detector at the phi-factory DAFNE. We have sea…

hep-ex2012★ 169 cited

Precision measurement of $σ (e^{+} e^{-} \to π^{+} π^{-} γ) / σ (e^{+} e^{-} \to μ^{+} μ^{-} γ)$ and determination of the $π^{+} π^{-}$ contribution to the muon anomaly with the KLOE detector

KLOE, KLOE-2 Collaborations, : +74

We have measured the ratio $σ (e^{+} e^{-} \to π^{+} π^{-} γ) / σ (e^{+} e^{-} \to μ^{+} μ^{-} γ)$ , with the KLOE detector at DA $Φ$ NE for a total integrated luminosity of $\sim$ 240 pb $^{- 1}$ .…

nucl-th2012★ 2 cited

What perspectives for the synthesis of heavier superheavy nuclei? Results and comparison with models

G. Mandaglio, A. K. Nasirov, F. Curciarello +4

The possibility to synthesize heavier superheavy elements in massive nuclei reactions is strongly limited by the hindrance to complete fusion of reacting nuclei: due to the onset o…

nucl-ex2012★ 10 cited

Experimental evidence of the $^{6}$ He level at $E^{*}$ = 18.3 MeV by the $^{4}$ He+ $^{3}$ H three-body reaction

O. M. Povoroznyk, O. K. Gorpinich, O. O. Jachmenjov +7

Measurements of the t-t and p-t coincidence events in the $^{3}$ H ( $α$ , ttp) reaction have been obtained at $E_{α}$ incident energy of 67.2 MeV. Various appropriate angular configurati…

nucl-ex2011★ 12 cited

The high-lying $^{6}$ Li levels at excitation energy around 21 MeV

Orest Povoroznyk, Olga K. Gorpinich, Olexiy O. Jachmenjov +7

The $^{3}$ H+ $^{3}$ He cluster structure in $^{6}$ Li was investigated by the $^{3}$ H( $α$ , $^{3}$ H $^{3}$ He)n kinematically complete experiment at the incident energy $E_{α}$ = 67.2 MeV. We have obs…

Direct tests of T, CP, CPT symmetries in transitions of neutral K mesons with the KLOE experiment

Measurement of the KS​→πeν branching fraction with the KLOE experiment

Reflection efficiency and spectra resolutions ray-tracing simulations for the VOXES HAPG crystal based Von Hamos spectrometer

Precision tests of Quantum Mechanics and CPT symmetry with entangled neutral kaons at KLOE

Combination of KLOE σ(e+e−→π+π−γ(γ)) measurements and determination of aμπ+π−​ in the energy range 0.10<s<0.95 GeV2