L. Shekhtman

activity

20012026

most citedTest of lepton universality using

B^{+} \to K^{+} ℓ^{+} ℓ^{-}

decays

952 citations · 6.4k across the 102 of their papers we have counts for

collaborators

103 papers

nucl-ex2026

Tensor analyzing power $T_{20}$ in the reaction $γ d \to p n$ at photon energies 350-680 MeV

V. V. Gauzshtein, A. I. Fix, V. I. Ivanov +30

We present measurements of the tensor analyzing power $T_{20}$ in the reaction $γ d \to p n$ at photon energies $E_{γ} = 350$ - $680$ ~MeV. The experiment was performed at the VEPP-3 stor…

hep-ex2025

New measurement of D0 and D+ meson masses with the KEDR detector

KEDR Collaboration, V. V. Anashin, O. V. Anchugov +117

Using the 4.9 pb $^{- 1}$ statistics collected at the peak of the $ψ (3770)$ resonance with the KEDR detector at the VEPP-4M electron-positron collider, we measured the masses of the…

hep-ex2025

The branching fraction measurements of $J / ψ$ decay into $ρ η$ and $ϕ η$ final states

KEDR Collaboration, V. V. Anashin, O. V. Anchugov +95

We present measurements of the branching fractions for the $J / ψ$ meson decays into the $ρ η$ and $ϕ η$ final states, based on data collected with the KEDR detector at the VEPP-4M col…

hep-ex2023★ 219 cited

STCF Conceptual Design Report: Volume 1 -- Physics & Detector

M. Achasov, X. C. Ai, R. Aliberti +424

The Super $τ$ -Charm facility (STCF) is an electron-positron collider proposed by the Chinese particle physics community. It is designed to operate in a center-of-mass energy range…

hep-ex2022

Measurement of the branching fraction of $J / ψ \to ρ π$ at KEDR

V. V. Anashin, O. V. Anchugov, A. V. Andrianov +91

We present the study of the decay $J / ψ \to ρ π$ . The results are based on of 5.2~million $J / ψ$ events collected by the KEDR detector at the VEPP-4M collider. The branching fr…

hep-ex2020★ 28 cited

First branching fraction measurement of the suppressed decay $Ξ_{c}^{0} \to π^{-} Λ_{c}^{+}$

LHCb collaboration, R. Aaij, C. Abellán Beteta +963

The $Ξ_{c}^{0}$ baryon is unstable and usually decays into charmless final states by the $c \to s u d$ transition. It can, however, also disintegrate into a $π^{-}$ meson and a…

physics.ins-det2020★ 5 cited

Time Projection Chamber as Inner Tracker for Super Charm-Tau Factory at BINP

V. K. Vadakeppattu, A. V. Sokolov, L. I. Shekhtman +1

At present time Budker INP is developing a Super Charm-Tau factory project, which consists of a high-luminosity collider with the luminosity of $1 0^{35}$ ,cm $^{- 2}$ s $^{- 1}$ and a un…

hep-ex2020★ 53 cited

Study of the $ψ_{2} (3823)$ and $χ_{c 1} (3872)$ states in $B^{+} \to (J ψ π^{+} π^{-}) K^{+}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +956

The decays $B^{+} \to J / ψ π^{+} π^{-} K^{+}$ are studied using a data set corresponding to an integrated luminosity of 9fb $^{- 1}$ collected with the LHCb detector in proton-proton co…

hep-ex2019★ 32 cited

Search for $C P$ violation and observation of $P$ violation in $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, C. Abellán Beteta +902

A search for $C P$ violation in the $Λ_{b}^{0} \to p π^{-} π^{+} π^{-}$ decay is performed using LHCb data corresponding to an integrated luminosity of 6.6 $f b^{- 1}$ collected in $pp$ coll…

hep-ex2018★ 76 cited

Observation of two resonances in the $Λ_{b}^{0} π^{\pm}$ systems and precise measurement of $Σ_{b}^{\pm}$ and $Σ_{b}^{*\pm}$ properties

LHCb collaboration, R. Aaij, C. Abellán Beteta +837

The first observation of two structures consistent with resonances in the final states $Λ_{b}^{0} π^{-}$ and $Λ_{b}^{0} π^{+}$ is reported using samples of $pp$ collision data collected by the…

hep-ex2018★ 40 cited

Study of $Υ$ production in $p$ Pb collisions at $s_{N N} = 8.16$ TeV

LHCb collaboration, R. Aaij, C. Abellán Beteta +840

The production of $Υ (n S)$ mesons ( $n = 1, 2, 3$ ) in $p$ Pb and Pb $p$ collisions at a centre-of-mass energy per nucleon pair $s_{N N} = 8.16$ TeV is measured by the LHCb experiment,…

hep-ex2018

Physics case for an LHCb Upgrade II - Opportunities in flavour physics, and beyond, in the HL-LHC era

LHCb collaboration, I. Bediaga, M. Cruz Torres +828

The LHCb Upgrade II will fully exploit the flavour-physics opportunities of the HL-LHC, and study additional physics topics that take advantage of the forward acceptance of the LHC…

physics.ins-det2018★ 44 cited

Revealing neutral bremsstrahlung in two-phase argon electroluminescence

A. Buzulutskov, E. Shemyakina, A. Bondar +6

Proportional electroluminescence (EL) in noble gases has long been used in two-phase detectors for dark matter search, to record ionization signals induced by particle scattering i…

hep-ex2017★ 39 cited

Studies of the resonance structure in $D^{0} \to K^{\mp} π^{\pm} π^{\pm} π^{\mp}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

Amplitude models are constructed to describe the resonance structure of $D^{0} \to K^{-} π^{+} π^{+} π^{-}$ and $D^{0} \to K^{+} π^{-} π^{-} π^{+}$ decays using $pp$ collision data co…

hep-ex2017★ 33 cited

Search for the rare decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +792

A search for the flavor-changing neutral-current decay $Λ_{c}^{+} \to p μ^{+} μ^{-}$ is reported using a data set corresponding to an integrated luminosity of $3.0 f b^{- 1}$ collected…

hep-ex2017★ 34 cited

A measurement of the $C P$ asymmetry difference in $Λ_{c}^{+} \to p K^{-} K^{+}$ and $p π^{-} π^{+}$ decays

LHCb collaboration, R. Aaij, B. Adeva +791

The difference between the $C P$ asymmetries in the decays $Λ_{c}^{+} \to p K^{-} K^{+}$ and $Λ_{c}^{+} \to p π^{-} π^{+}$ is presented. Proton-proton collision data t…

hep-ex2017★ 33 cited

Updated determination of $D^{0}$ - $D^{0}$ mixing and CP violation parameters with $D^{0} \to K^{+} π^{-}$ decays

LHCb collaboration, R. Aaij, B. Adeva +792

We report measurements of charm-mixing parameters based on the decay-time-dependent ratio of $D^{0} \to K^{+} π^{-}$ to $D^{0} \to K^{-} π^{+}$ rates. The analysis uses a data sample of proton-pro…

hep-ex2017★ 12 cited

First observation of $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays and a search for $B^{+} \to D_{s}^{+} ϕ$ decays

LHCb collaboration, R. Aaij, B. Adeva +797

A search for $B^{+} \to D_{s}^{+} K^{+} K^{-}$ decays is performed using $pp$ collision data corresponding to an integrated luminosity of 4.8 fb $^{- 1}$ , collected at centre-of-mass ene…

hep-ex2017★ 45 cited

Measurement of the $B^{\pm}$ production cross-section in pp collisions at $s =$ 7 and 13 TeV

LHCb collaboration, R. Aaij, B. Adeva +796

The production of $B^{\pm}$ mesons is studied in $pp$ collisions at centre-of-mass energies of 7 and 13 TeV, using $B^{\pm} \to J / ψ K^{\pm}$ decays and data samples correspon…

hep-ex2017★ 5 cited

First observation of forward $Z \to b b ˉ$ production in $pp$ collisions at $s = 8$ TeV

LHCb collaboration, R. Aaij, B. Adeva +804

The decay $Z \to b b ˉ$ is reconstructed in $pp$ collision data, corresponding to 2 fb $^{- 1}$ of integrated luminosity, collected by the LHCb experiment at a centre-of-…

hep-ex2017★ 48 cited

Measurement of the shape of the $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ differential decay rate

LHCb collaboration, R. Aaij, B. Adeva +801

A measurement of the shape of the differential decay rate and the associated Isgur-Wise function for the decay $Λ_{b}^{0} \to Λ_{c}^{+} μ^{-} ν$ is reported, using data corresponding to…

physics.ins-det2017★ 613 cited

DarkSide-20k: A 20 Tonne Two-Phase LAr TPC for Direct Dark Matter Detection at LNGS

C. E. Aalseth, F. Acerbi, P. Agnes +282

Building on the successful experience in operating the DarkSide-50 detector, the DarkSide Collaboration is going to construct DarkSide-20k, a direct WIMP search detector using a tw…

hep-ex2017★ 29 cited

Improved limit on the branching fraction of the rare decay $K_{S}^{0} \to μ^{+} μ^{-}$

LHCb collaboration, R. Aaij, B. Adeva +767

A search for the decay $K_{S}^{0} \to μ^{+} μ^{-}$ is performed, based on a data sample of proton-proton collisions corresponding to an integrated luminosity of 3 fb$^{-1…

astro-ph.IM2017★ 12 cited

Measurement of the ionization yield of nuclear recoils in liquid argon using a two-phase detector with electroluminescence gap

A. Bondar, A. Buzulutskov, A. Dolgov +7

A measurement of ionization yields in noble-gas liquids is relevant to the energy calibration of nuclear recoil detectors for dark matter search and coherent neutrino-nucleus scatt…

Tensor analyzing power T20​ in the reaction γd→pn at photon energies 350-680 MeV

New measurement of D0 and D+ meson masses with the KEDR detector

The branching fraction measurements of J/ψ decay into ρη and ϕη final states

STCF Conceptual Design Report: Volume 1 -- Physics & Detector

Measurement of the branching fraction of J/ψ→ρπ at KEDR

First branching fraction measurement of the suppressed decay Ξc0​→π−Λc+​

Time Projection Chamber as Inner Tracker for Super Charm-Tau Factory at BINP

Study of the ψ2​(3823) and χc1​(3872) states in B+→(Jψπ+π−)K+ decays

Search for CP violation and observation of P violation in Λb0​→pπ−π+π− decays

Observation of two resonances in the Λb0​π± systems and precise measurement of Σb±​ and Σb∗±​ properties

Study of Υ production in pPb collisions at sNN​​=8.16 TeV