M. Pló

activity

19942022

most citedMeasurement of the Spin-Dependent Structure Function

g_{1} (x)

of the Proton

345 citations · 958 across the 13 of their papers we have counts for

collaborators

Showing hep-exShow all

11 papers · 1 filter

hep-ex2022

Investigation of $K^{+} K^{-}$ pairs in the effective mass region near $2 m_{K}$

B. Adeva, L. Afanasyev, A. Anania +53

The DIRAC experiment at CERN investigated in the reaction $p (24 GeV /c) + Ni$ the particle pairs $K^{+} K^{-}, π^{+} π^{-}$ and $p p ˉ$ with relative momentum $Q$ in the pair s…

hep-ex2018★ 5 cited

First measurement of a long-lived $π^{+} π^{-}$ atom lifetime

B. Adeva, L. Afanasyev, A. Anania +56

The adapted DIRAC experiment at the CERN PS accelerator observed for the first time long-lived hydrogen-like $π^{+} π^{-}$ atoms, produced by protons hitting a beryllium target. A part…

hep-ex2017★ 11 cited

Measurement of the $π K$ atom lifetime and the $π K$ scattering length

DIRAC Collaboration, B. Adeva, L. Afanasyev +62

After having announced the statistically significant observation (5.6~ $σ$ ) of the new exotic $π K$ atom, the DIRAC experiment at the CERN proton synchrotron presents the measurement…

hep-ex2016★ 14 cited

Observation of $π^{-} K^{+}$ and $π^{+} K^{-}$ atoms

DIRAC Collaboration

The observation of hydrogen-like $π K$ atoms, consisting of $π^{-} K^{+}$ or $π^{+} K^{-}$ mesons, is presented. The atoms have been produced by 24 GeV/ $c$ protons from the CERN PS accelera…

hep-ex2011★ 52 cited

Determination of $π π$ scattering lengths from measurement of $π^{+} π^{-}$ atom lifetime

B. Adeva, L. Afanasyev, M. Benayoun +92

The DIRAC experiment at CERN has achieved a sizeable production of $π^{+} π^{-}$ atoms and has significantly improved the precision on its lifetime determination. From a sample of 21227…

hep-ex2009★ 17 cited

Evidence for $π K$ -atoms with DIRAC

B. Adeva, L. Afanasyev, Y. Allkofer +77

We present evidence for the first observation of electromagnetically bound $π^{\pm} K^{\mp}$ -pairs ( $π K$ -atoms) with the DIRAC experiment at the CERN-PS. The $π K$ -atoms are produced by…

hep-ex2005★ 106 cited

First measurement of the $π^{+} π^{-}$ atom lifetime

The DIRAC collaboration

The goal of the DIRAC experiment at CERN (PS212) is to measure the $π^{+} π^{-}$ atom lifetime with 10% precision. Such a measurement would yield a precision of 5% on the value of the $…

hep-ex2000★ 2 cited

Measurement of negative particle multiplicity in S-Pb collisions at 200 GeV/c per nucleon with the NA36 TPC

NA36 Collaboration, E. Andersen

A high statistics study of the negative multiplicity distribution from S-Pb collisions at 200 GeV/c per nucleon is presented. The NA36 TPC was used to detect charged particles; cor…

hep-ex1999★ 11 cited

The Micro Wire Detector

B. Adeva, F. Gomez, A. Pazos +5

We present the performance of a new proportional gas detector. Its geometry consists of a cathode plane with 70x70 micron apertures, crossed by 25 micron anode strips to which it i…

hep-ex1997★ 272 cited

Spin Structure of the Proton from Polarized Inclusive Deep-Inelastic Muon-Proton Scattering

D. Adams

We have measured the spin-dependent structure function $g_{1}^{p}$ in inclusive deep-inelastic scattering of polarized muons off polarized protons, in the kinematic range $0.003 < x <…

hep-ex1994★ 98 cited

Spin Asymmetry in Muon--Proton Deep Inelastic Scattering on a Transversely-Polarized Target

The Spin Muon Collaboration

We measured the spin asymmetry in the scattering of 100 GeV longitudinally-polarized muons on transversely polarized protons. The asymmetry was found to be compatible with zero in…

Investigation of K+K− pairs in the effective mass region near 2mK​

First measurement of a long-lived π+π− atom lifetime

Measurement of the πK atom lifetime and the πK scattering length

Observation of π−K+ and π+K− atoms

Determination of ππ scattering lengths from measurement of π+π− atom lifetime

Evidence for πK-atoms with DIRAC

First measurement of the π+π− atom lifetime