Bernard R. French

Publication List Details

Period

1990 - 2005

Number

124

Co-Authors

A study of the centrally produced $\pi0\pi0\pi0$ channel in pp interactions at 450 GeV/c (2001)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

The reaction pp -> pf (pi0pi0pi0) ps has been studied at 450 GeV/c. The pi0pi0pi0 effective mass spectrum shows clear eta(547) and pi2(1670) signals. Branching ratios for the eta(547) and pi_2(1670)...

A study of the centrally produced $\eta \pi^{0}$ and $\eta \pi^{-}$ systems in pp interactions at 450 GeV/c (2000)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

A partial wave analysis of the centrally produced eta pi0 and eta pi- channels has been performed in pp collisions using an incident beam momentum of 450 GeV/c. Clear a0(980) and a2(1320) signals...

A search for charmonium states produced in central pp interactions at 450 GeV/c (2000)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

A search for centrally produced charmonium states has been presented. There is no significant evidence for any charmonium production. An upper limit of 2 nb is found for the cross section of chic...

A study of the $\omega\omega$ channel produced in central pp interactions at 450 GeV/c (2000)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

The reaction pp -> pf (omega omega) ps has been studied at 450 GeV/c and a spin analysis of the omega omega channel has been performed for the first time in central production. Evidence is found for...

A study of the $\eta\eta$ channel produced in central pp interactions at 450 GeV/c (2000)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

The reaction pp -> pf (eta eta) ps has been studied at 450 GeV/c. For the first time a partial wave analysis of the centrally produced eta eta system has been performed. Signals for the f0(1500),...

A study of the f0(1370), f0(1500), f0(2000) and f2(1950) observed in the centrally produced $4\pi$ final states (2000)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

The production and decay properties of the f0(1370), f0(1500), f0(2000) and f2(1950) have been studied in central pp interactions at 450 GeV/c. The dPT, phi and |t| distributions of these resonances...

A spin analysis of the $4\pi$ channels produced in central pp interactions at 450 GeV/c (1999)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

The reactions pp -> pf (X0) ps, where X0 is observed decaying to pi0pi0pi0pi0, pi+pi-pi0pi0 and pi+pi-pi+pi-, have been studied at 450 GeV/c. There is evidence for an a2(1320)pi decay mode of the...

Experimental evidence for a vector-like behaviour of Pomeron exchange (1999)

Barberis, D, Binon, Freddy G, Close, Francis Edwin, Danielsen, K M, Donskov, S V, Earl, B C, ...

Evidence is presented that the Pomeron act as a non-conserved vector current. A study has been made of the azimuthal angle phi, which is defined as the angle between the pT vectors of the two...

Measurement of the kinematic variables of beauty particles produced in 350 GeV/c $\pi^-$-Cu interactions (1999)

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...

Inclusive $J/\psi$ and $\psi'$ production in $\pi^-$-nucleus interactions at $\sqrt{s} \simeq 26$ GeV (1999)

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...

A study of the centrally produced $K^{*}(892)\overline{K}^{*}$ and $\phi\omega$ systems in pp interaction at 450 GeV/c (1998)

Barberis, D, Beusch, Werner, Binon, Freddy G, Blick, A M, Close, Francis Edwin, Danielsen, K M, ...

A study of the reactions pp -> pfps(K+K-pi+pi-) and pp -> pfps(K+K-pi+pi-pi0) shows evidence for the K*K* and phi omega channels respectively. The K*K* mass spectrum shows a broad distribution with a...

Azimuthal correlation between beauty particles produced in 350 GeV/c $\pi^{-}$-Cu interactions (1998)

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...

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 $0.6 \pm 0.6$...

A study of the centrally produced $\pi^{+}\pi^{-} \pi^{0}$ channel in pp interactions at $450 GeV/c$ (1998)

Barberis, D, Beusch, Werner, Binon, Freddy G, Blick, A M, Close, Francis Edwin, Danielsen, K M, ...

The reaction pp -> pf (pi+pi-pi0) ps has been studied at 450 GeV/c in an experiment designed to search for gluonic states. A spin analysis has been performed and the dPT filter applied. The analysis...

A study of the centrally-produced $\pi^+ \pi^- \pi^+ \pi^-$ channel in pp interactions at 450 GeV/c (1997)

Barberis, D, Beusch, Werner, Binon, Freddy G, Blick, A M, Close, Francis Edwin, Danielsen, K M, ...

The reaction pp -> pf (pi+pi-pi+pi-) ps has been studied at 450 GeV/c in an experiment designed to search for gluonic states. A spin analysis has been performed and the dPT filter applied. In...

A study of the $K\overline{K}\pi$ channel produced centrally in pp interactions at 450 GeV/c (1997)

Barberis, D, Beusch, Werner, Binon, Freddy G, Blick, A M, Close, Francis Edwin, Danielsen, K M, ...

Results are presented of an analysis of the reactions pp -> pf(k0k+pi-)ps and pp -> pf(K0K0pi0)ps at 450 GeV/c. Clear f1(1285) and f1(1420) signals are seen and a spin parity analysis shows that both...

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...

Measurements of charmed-meson production in interactions between 350 GeV/c $\pi^-$ particles and nuclei (1997)

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....

A kinematical selection of glueball candidates in central production (1997)

Barberis, D, Beusch, Werner, Binon, Freddy G, Carney, J N, Close, Francis Edwin, Danielsen, K M, ...

A study of central meson production as a function of the difference in transverse momentum ($dP_T$) of the exchanged particles shows that undisputed $q \overline q$ mesons are suppressed at small...

Hyperon production in proton-sulphur collisions at 200 GeV/c (1996)

Abatzis, A, Andersen, E, Andrighetto, A, Antinori, Federico, Bayes, A C, Benayoun, M, ...

The WA94 experiment uses the production of strange particles and antiparticles to investigate the properties of hot hadronic matter created in heavy--ion interactions. \PgL, \PagL, \PgXm\ and \PagXp\...

Confirmation of a soft photon signal in excess of Q.E.D. expectations in $\pi^- p$ interactions at 280 GeV/c (1996)

Belogianni, A, Beusch, Werner, Brodbeck, T J, Evans, D, French, Bernard R, Jacholkowski, A, ...

Photons produced in \pip interactions at 280 GeV/$c$ were detected by reconstructing the $e^+e^-$ pairs produced via the materialisation of the photons in a 1 mm thick lead sheet placed in front of...

Observation of vertex factorisation breaking in central pp interactions (1996)

Barberis, D, Beusch, Werner, Binon, Freddy G, Carney, J N, Di Bari, D, Dolgopolov, A V, ...

Central \pipi events produced in pp interactions are studied in terms of correlations between the outgoing protons. It is observed there is more $\rho^{0}$(770) and \fmeson production in reactions...

A study of kinematical correlations between charmed particles produced in $\pi$-Cu interactions at $\sqrt{s} = 26 GeV$ (1996)

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/$c\,$ $\,\pi^-$...