Double spin asymmetry in exclusive $\rho^0$ muoproduction at COMPASS (2007)
Alexakhin, V Yu, Alekseev, M, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Arbuzov, A, ...
The longitudinal double spin asymmetry A_1^rho for exclusive leptoproduction of rho^0 mesons, mu + N -> mu + N + rho, is studied using the COMPASS 2002 and 2003 data. The measured reaction is...
Observation of a resonance in the K$_s$p decay channel at a mass of 1765 MeV/c$^2$ (2007)
Adamovich, M. I., Alexandrov, Yu. A., Barberis, D., Beck, M., Bérat, C., ...
We report on the observation of a K$_s$p resonance signal at a mass of 1765$\pm$5 MeV/c$^2$, with intrinsic width $\Gamma = 108\pm 22$ MeV/c$^2$, produced inclusively in $\Sigma^-$-nucleus...
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Alexeev, M, Amoroso, A, ...
New high precision measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarised 6LiD target are presented. The data...
The Deuteron Spin-dependent Structure Function $g^{d}_1$ and its First Moment (2006)
Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Alexeev, M, Amoroso, A, Badeek, B, ...
We present a measurement of the deuteron spin-dependent structure function g^d_1 based on the data collected by the COMPASS experiment at CERN during the years 2002-2004. The data provide an accurate...
Gluon polarization in the nucleon from quasi-real photoproduction of high-pT hadron pairs (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badelek, B, ...
We present a determination of the gluon polarization Delta G/G in the nucleon, based on the helicity asymmetry of quasi-real photoproduction events, Q^2
Search for the pentaquark candidate $\Theta^+$(1540) in the hyperon beam experiment WA89 (2005)
Adamovich, M I, Alexandrov, Yu A, Baranov, S P, Barberis, D, Beck, M, Bérat, C, ...
We report on a high-statistics search for the \t1540 resonance in $\Sigma^-$-nucleus collisions at 340 \gevc1 . No evidence for this resonance was found in our data sample which contains 13 millions...
Search for the $\phi (1860)$ Pentaquark at COMPASS (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...
Narrow Xi-pi+- and Xi-bar+pi+- resonances produced by quasi-real photons have been searched for by the COMPASS experiment at CERN. The study was stimulated by the recent observation of an exotic...
Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, Balestra, F, ...
First measurements of the Collins and Sivers asymmetries of charged hadrons produced in deep-inelastic scattering of muons on a transversely polarized 6-LiD target are presented. The data were taken...
Measurement of the Spin Structure of the Deuteron in the DIS Region (2005)
Ageev, E S, Alexakhin, V Yu, Alexandrov, Yu A, Alexeev, G D, Amoroso, A, Badeek, B, ...
We present a new measurement of the longitudinal spin asymmetry A_1^d and the spin-dependent structure function g_1^d of the deuteron in the range 1 GeV^2 < Q^2 < 100 GeV^2 and 0.004< x
Search for the exotic $\Xi^{--}(1860)$ Resonance in 340GeV/c $\Sigma^-$-Nucleus Interactions (2004)
Adamovich, M I, Alexandrov, Yu A, Baranov, S P, Barberis, D, Beck, M, Bérat, C, ...
We report on a high statistics search for the $\Xi^{--}(1860)$ resonance in $\Sigma^-$-nucleus collisions at 340GeV/c. No evidence for this resonance is found in our data sample which contains 676000...
Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Dameri, M, Darbo, G, ...
Using interactions of $350\,\hbox{GeV}/c
Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Cianfarani, C, Dameri, M, ...
Using a sample of $26$ b\=b events, produced in $350\,\hbox{GeV}/c$ $\pi^-$ interactions in a copper target, which includes $13$ events where the decays of both $B$ and $\overline{B}$ are well...
Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Dameri, M, Darbo, G, ...
Charmonium production by 350~GeV/$c$ negative pions incident on tungsten, copper and silicon has been studied in the WA92 experiment. \jp\ and \pp\ mesons are identified through their decays into...
$D^{*\pm}$ production in 350 GeV/c $\pi^{-}$-N interactions (1999)
Adinolfi, M, Alexandrov, Yu A, Angelini, C, Barberis, D, Cardini, A, Ceradini, F, ...
We report measurements of ${\rm D}^{*\pm}$ production in interactions between $350\,{\rm GeV/}c$ $\pi^-$ particles and nuclei. Reconstruction of the decay ${\rm D}^{*+} \rightarrow {\rm D}^0 \pi^+$...
A measurement of the form-factor ratios in the decay $D^+ \to \overline{K}^{*0}\mu^+\nu_\mu$ (1998)
Adamovich, M I, Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Cianfarani, C, ...
The form-factor ratios in the decay ${\bf {\rm D^+ \rightarrow \bar K^{*0}\mu^+\nu_\mu}}$ have been measured using a sample of 763 events produced in the WA92 fixed-target experiment. \\ The value s...
Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Cianfarani, C, Dameri, M, ...
Using a sample of $10^8$ triggered events, produced in $350\, \hbox{GeV}/c$ $\pi^-$ interactions in a copper target, we have identified $26$ b\=b events. These include $13$ events where the decays of...
Adamovich, M I, Alexandrov, Yu A, Barberis, D, Beck, M, Bérat, C, Beusch, Werner, ...
CERN experiment WA89 has studied charmed particles produced by a Sigma^- beam at 340 GeV/c on nuclear targets. Production of particles which have light quarks in common with the beam is compared to...
Measurement of the beauty production cross-section in 350 GeV/c $\pi^-$ -Cu interactions (1998)
Adamovich, M I, Adinolfi, M, Alexandrov, Yu A, Angelini, C, Antinori, Federico, Bacci, Cesare, ...
Using a sample of $10^8$ triggered events, produced in $\pi^-$--$\,$Cu interactions at 350~GeV$/c$, we have identified 26 beauty events. The estimated background in this sample is $0.6 \pm 0.6$...
The High-Intensity Hyperon Beam at CERN (1998)
Alexandrov, Yu A, Clément, M, Dropmann, F, Fournier, A, Grafström, P, Hubbard, E L, ...
A high-intensity hyperon beam was constructed at CERN to deliver S- to experiment WA89 at the Omega facility and operated from 1989 to 1994. The setup allowed rapid changeover between hyperon and...
First observation of the $\Xi^{-} \pi^{+}$ decay mode of the $\Xi^{0}(1690)$ hyperon (1997)
Adamovich, M I, Alexandrov, Yu A, Barberis, D, Beck, M, Bérat, C, Beusch, Werner, ...
We report the first observation of the Xi- pi+ decay mode of the Xi0(1690), confirming the existence of this resonance. The Xi0(1690) were produced by Sigma- of 345 Gev/c mean momentum in copper and...
Search for the flavour-changing neutral-current decay $D^0 \to \mu^{+}\mu^{-}$ (1997)
Adamovich, M I, Alexandrov, Yu A, Angelini, C, Barberis, D, Ceradini, F, Cianfarani, C, ...
We have searched for the decay $D^0 \rightarrow \mu^+\mu^-$ among $2.0 \times 10^5$ $\mu^+\mu^-$ pairs \hbox{produced,} in the WA92 experiment, by 350 GeV/$c$ \ $\pi^-$ particles interacting in...
Adamovich, M I, Alexandrov, Yu A, Barberis, D, Beck, M, Bérat, C, Beusch, Werner, ...
Inclusive cross sections for \ximin\ hyperon production in high-energy \sigmamin, \pimin\ and neutron induced interactions were measured by the experiment WA89 at CERN. Secondary \sigmamin\ and...
Adamovich, M I, Alexandrov, Yu A, Angelini, C, Barberis, D, Batten, J, Ceradini, F, ...
Charmed-meson production by $350$~GeV/$c$ {$\pi^-$} particles incident on copper and tungsten targets has been studied in the WA$92$ experiment, performed at the CERN $\Omega^\prime$ spectrometer....
The high-intensity hyperon beam at CERN (1997)
Yu.A. Alexandrov, M. Clement, F. Dropmann, E. Hubbard, S. Paul, ...
A high-intensity hyperon beam was constructed at CERN to deliver \Sigma \Gamma to experiment WA89 at the Omega facility and operated from 1989 to 1994. The setup allowed rapid changeover between...
Adamovich, M I, Adinolfi, M, Alexandrov, Yu A, Angelini, C, Barberis, D, Barney, D, ...
A sample of 475 events, in which two charmed-particle decays are observed, is analyzed to determine distributions of two-particle kinematic variables. One charmed particle with $x_F > 0$ is fully...
WA92: a fixed target experiment to trigger on and identify beauty particle decays (1996)
Adamovich, M I, Adinolfi, M, Alexandrov, Yu A, Angelini, C, Antinori, Federico, Bacci, Cesare, ...
We describe the detectors and trigger system used in the CERN WA92 experiment. The experiment was designed to study the production and decay of beauty particles from 350 GeV/$c\,$ $\,\pi^-$...
Measurement of the $\Omega_{c}^{0}$ lifetime (1995)
Adamovich, M I, Albertson, E, Alexandrov, Yu A, Barberis, D, Beck, M, Bérat, C, ...
Search for the decay D$^{0}$ --> $\mu^{+}\mu^{-}$ (1995)
Adamovich, M I, Adinolfi, M, Alexandrov, Yu A, Angelini, C, Bacci, Cesare, Barberis, D, ...
Study of charm correlations in $\pi^{-}$-N interactions at \Sqrt s $\appprox$ 26 GeV (1995)
Adamovich, M I, Adinolfi, M, Alexandrov, Yu A, Angelini, C, Antinori, Federico, Bacci, Cesare, ...
Results on charmed meson decay from the WA82 experiment at the CERN OMEGA spectometer (1993)
Adamovich, M I, Alexandrov, Yu A, Antinori, Federico, Barberis, D, Beusch, Werner, Buys, A, ...
Gentle and violent gold interactions from the BNL AGS (1993)
Otterlund, I, Adamovich, M I, Aggarwal, M M, Alexandrov, Yu A, Andreeva, N P, Anzon, Z V, ...
Results on charm hadroproduction from CERN experiment WA82 (1992)
Adamovich, M I, Alexandrov, Yu A, Anselmi, R, Antinori, Federico, Barberis, D, Beusch, Werner, ...
Nuclear dependence of charm production by a 340 GeV $\pi^{-}$ beam (1992)
Adamovich, M I, Alexandrov, Yu A, Antinori, Federico, Barberis, D, Beusch, Werner, Buys, A, ...
New results from charm hadroproduction experiment WA82 (1992)
Buys, A, Adamovich, M I, Alexandrov, Yu A, Antinori, Federico, Barberis, D, Beusch, Werner, ...
Measurement of relative branching fractions of D$^{0}$ Cabibbo-suppressed decays (1992)
Adamovich, M I, Alexandrov, Yu A, Antinori, Federico, Barberis, D, Beusch, Werner, Buys, A, ...
A study of the semileptonic decay D$^{+}$ --> $\overline{K}*^{0}$e$^{+}\nu_{e}$ (1991)
Adamovich, M I, Alexandrov, Yu A, Antinori, Federico, Barberis, D, Beusch, Werner, Buys, A, ...
Preliminary results on charm production by 340 GeV/c $\pi^{-}$ on a target of Si and W (1990)
Grard, F, Adamovich, M I, Alexandrov, Yu A, Antinori, Federico, Bailly, J L, Barberis, D, ...
Measurement of the lifetime of neutral charmed mesons (1990)
Adamovich, M I, Alexandrov, Yu A, Bravo, L, Cartacci, A M, Castillo, V, Chernyavsky, M M, ...
Cross sections and some features of charm photoproduction at gamma energies of 20-70 GeV (1990)
Adamovich, M I, Alexandrov, Yu A, Bolta, J M, Bravo, L, Cartacci, A M, Castillo, V, ...
Measurement of charmed-particle lifetimes and decay branching ratios (1990)
Adamovich, M I, Alexandrov, Yu A, Bolta, J M, Bravo, L, Di Caporiacco, G, Cartacci, A M, ...
Charged particle spectra in oxygen-induced reactions at 14.6 and 60 GeV/nucleon (1990)
Adamovich, M I, Aggarwal, M M, Arora, R, Alexandrov, Yu A, Azimov, S A, Badyal, S K, ...
A study of recoil protons in ultra-relativistic nucleus-nucleus collisions (1990)
Adamovich, M I, Aggarwal, M M, Arora, R, Alexandrov, Yu A, Basova, E, Bhalla, K B, ...
Target nucleus fragmentation in $^{16}O + (Ag, Br)$ interactions at 200 AGeV (1990)
Adamovich, M I, Aggarwal, M M, Arora, R, Alexandrov, Yu A, Basova, E, Bhalla, K B, ...
Charm hadroproduction with an impact parameter trigger (1990)
Forino, A, Gessaroli, R, Mazzanti, P, Quareni, A, Viaggi, F, Barberis, D, ...
Results on heavy quark selection through an impact parameter trigger (1990)
Adamovich, M I, Alexandrov, Yu A, Gerassimov, S G, Kharlamov, S P, Malinina, L V, Zavertyaev, M V, ...
Production of helium (Z = 2) projectile fragments in $^{16}$O interactions at 200A GeV (1990)
Adamovich, M I, Alexandrov, Yu A, Asimov, S A, Badyal, S K, Basova, E, Bhalla, K B, ...
Limiting fragmentation in oxygen induced emulsion interactions at 14.6, 60 and 200 A GeV (1990)
Adamovich, M I, Aggarwal, M M, Arora, R, Alexandrov, Yu A, Azimov, S A, Basova, E, ...
Charged charmed particle lifetime (1990)
Adamovich, M I, Alexandrov, Yu A, Bolta, J M, Bravo, L, Cartacci, A M, Castillo, V, ...