Scientific Commons: D. V. Bugg

Parity doubling of highly excited mesons (2009)

Glozman has proposed that highly excited mesons and baryons fall into parity doublets, and that the f4(2050) on the leading Regge trajectory should have a nearly degenerate J^{PC} = 4^{-+} partner. A...

Data on J/Psi -> gamma(Kcharged-Kshort-picharged) and gamma(eta-piplus-piminus) (2009)

Bugg, D. V.

Data on J/Psi -> gamma (eta-piplus-piminus) and gamma (Kcharged-Kshort-picharged) from 58M J/Psi hadronic interactions in the BES II detector are analysed. They throw new light on J^P = 0^- mesons...

Study of J/Psi -> gamma (piplus-piminus-piplus-piminus) (2009)

Bugg, D. V.

BES II data for the channel J/Psi -> gamma (piplus-piminus-piplus-piminus) are analysed from a sample of 58M J/Psi hadronic interactions. They reveal further detail in the J^{PC} = 0^{-+} sector for...

An update on the Kappa (2009)

Bugg, D. V.

New Focus data on Dplus -> Kminus piplus piminus are fitted to the kappa, together with earlier data from LASS, E791 and BES 2. There is a clear low mass peak due to the kappa pole. Inclusion of the...

Comment on Liu et al: `Final State Interactions with decays J/Psi -> VPP' (2009)

Bugg, D. V.

Statements concerning Extended Unitarity (EU) are clarified

The D-pi S-wave (2009)

Bugg, D. V.

A pole in the D-pi S-wave analogous to the sigma and kappa is predicted at 2098 +- 40 - i(260 +- 40) MeV. The main objective of this paper is to provide formulae for fitting it to data.

An alternative fit to Belle mass spectra for DD, D*D* and Lambda_C Lambda_c (2008)

Bugg, D. V.

Peaks observed by Belle in DD at 3.878 GeV and in D*D* at 4.156 GeV may be fitted by phase space multiplied by a form factor with an RMS radius of interaction 0.63 fm. The peak observed in Lambda_C...

Re-analysis of data on a0(1450) and a0(980) (2008)

Bugg, D. V.

Four sets of data determining parameters of a0(1450) and a0(980) are re-analysed. These are Crystal Barrel data for pbar-p annihilation at rest to eta-pizero-pizero in (i) liquid hydrogen and (ii)...

Synchonisation of Resonances with Thresholds (2008)

Bugg, D. V.

The mechanism by which a resonance may be attracted to a sharp threshold is described with several examples. It involves a threshold cusp interfering constructively with either or both (i) a...

Review of Scalar Mesons (2008)

Bugg, D. V.

The formulae needed to parametrise sigma, kappa, a0(980) and f0(980) are reviewed. For sigma and kappa, the Adler zero due to Chiral Symmetry Breaking plays a crucial role. The f0(980) and a0(980)...

How Resonances can synchronise with Thresholds (2008)

Bugg, D. V.

The mechanism by which a threshold may capture a resonance is examined. It involves a threshold cusp interfering constructively with either or both (i) a resonance produced via confinement, (ii)...

Experimental disagreements with Extended Unitarity (2008)

Bugg, D. V.

In production processes, e.g. J/Psi -> omega-pi-pi or pbar-p -> 3pi, the sigma and fo(980) overlap in the same partial wave. The conjecture of Extended Unitarity (EU) states that the pi-pi pair...

Experiments Needed in Meson and Baryon Spectroscopy (2008)

D. V. Bugg

Three (or four) straightforward experiments would contribute greatly to completing the spectroscopy of baryons and light mesons. In the baryon sector, data are needed on inelastic reactions from a...

A New Analysis of the Radiative Decay (2007)

K. M. Crowe, F. H. Heinsius, P. Kammel, M. Lakata, T. Degener, ...

We report on a measurement of the branching ratio of the rare decay #### relative to the well known decay ### 0 #. The #'s are produced in pp### and pp## 0 #. Eigenstate mixing and interference...

CB Report 340 (2007)

From To Mev, A. V. Sarantsev, D. V. Bugg

Introduction Data on these channels were processed with identical procedures to 0 0 , jj and jj 0 . We therefore refer you to Technical Report 337 on pp ! 0 0 for details of software which has been...

Technical Report No. 332 Study of (2007)

In Flight Odoom, D. Odoom, D. V. Bugg

From an analysis of pp ! 4 0 at a beam momentum of 1940 MeV/c, we find evidence for a J PC = 1 ++ resonance in 3 at 1640 \Sigma12(stat) \Sigma 20(syst) MeV with \Gamma = 300 \Sigma 22 \Sigma 40 MeV;...

J. Adomeit, B. Kammle, J. Meier, P. Schmidt, R. Seibert, U. Strohbusch (2007)

A. Abele, S. Bischoff, P. Blum, N. Djaoshvili, D. Engelhardt, ...

We present a measurement and partial wave analysis of the final state KLK \Sigma ß \Upsilon of ¯ pp annihilation at rest in liquid hydrogen. This reaction is important for the study of the ¯ KK...

First Observations of Pontecorvo Reactions With a Recoiling Neutron (2007)

C. Amsler, D. S. Armstrong, I. Augustin, C. A. Baker, B. M. Barnett, C. J. Batty, ...

We report the first observations of Pontecorvo reactions of the type pd ® Xn. We fully reconstruct the outgoing meson and, for antiprotons stopped in liquid deuterium, we measure: BR(pd ® p 0 n ) =...

CB Report 338 pp (2007)

A. V. Sarantsev, D. V. Bugg

Abstract. Data on pp! jj and jj 0 are presented from 600 to 1940 MeV/c. A partial wave analysis is made, adding these data to those for 0

Normalisation of in-flight data CB report No. 335 (2007)

D. V. Bugg, A. V. Sarantsev

This report presents details of the normalisation of in-flight data. The normalisation is derived from scaler data and the observed number of reconstructed events in each channel. Two independent...

Analysis of jj 0, 600--1350 MeV/c (2007)

D. V. Bugg

Data are presented on pp! jj

f0(1370) (2007)

Bugg, D. V.

A summary is given of the main sets of data requiring the existence of f0(1370). Crystal Barrel data on pbar-p -> eta eta pizero contain a visible f0(1370) peak and require at least a 19 standard...

Z+(4430) as a cusp in D*(2010)Dbar_1(2420) (2007)

Bugg, D. V.

The Z^+(4430) observed by Belle is explained naturally as a threshold cusp in the D*(2010)Dbar_1(2420) system.

Experiments needed in Meson and Baryon Spectroscopy (2007)

Bugg, D. V.

Three (or four) straightforward experiments would contribute greatly to completing the spectroscopy of baryons and light mesons. In the baryon sector, data are needed on inelastic reactions from a...

A Study in Depth of f0(1370) (2007)

Bugg, D. V.

Claims have been made that f0(1370) does not exist. The five primary sets of data requiring its existence are refitted. Major dispersive effects due to the opening of the 4pi threshold are included...

Reply to Takamatsu's paper on the Kappa (2007)

Bugg, D. V.

The essential elements in my way of fitting the kappa reviewed. A number of incorrect claims made by Takamatsu are clarified and corrected.

The pi-pi mass spectrum in Y(4260) -> pi-pi-J/psi (2007)

Bugg, D. V.

Three ways of fitting the pi-pi mass spectrum in Y(4260) decays are studied. Data presented recently by Belle cannot be fitted by the pi-pi S-wave intensity for elastic scattering. They can be fitted...

Experiments Needed in Meson and Baryon Spectroscopy (2007)

D. V. Bugg

Three (or four) straightforward experiments would contribute greatly to completing the spectroscopy of baryons and light mesons. In the baryon sector, data are needed on inelastic reactions from a...

The mass of the sigma pole (2006)

Bugg, D. V.

BES data on the sigma pole are refitted taking into account new information on coupling of sigma to KK and eta-eta. The fit also includes Cern-Munich data on pi-pi elastic phases shifts and Ke4 data,...

The nature of $\sigma$, $\kappa$, $a_0(980)$ and $f_0(980)$ (2006)

Van Beveren, E., Bugg, D. V., Kleefeld, F., Rupp, G.

Masses and widths of the four light scalar mesons $\sigma$, $\kappa$, $a_0$(980) and $f_0$(980) may be reproduced in a model where mesons scatter via a $q\bar{q}$ loop. A transition potential is used...

Reconclining phi radiative decays with other data for a0(980), fo(980), pi-pi -> KK and pi-pi -> eta-eta (2006)

Bugg, D. V.

Data for phi -> gamma (eta-pizero) are analysed using the KK loop model and compared with parameters of a0(980) derived from Crystal Barrel data. The eta-pi mass spectrum agrees closely and the...

Decays of sigma, kappa, a0(980) and fo(980) (2006)

Bugg, D. V.

Ratios of coupling constants for these decays are compared with q-qbar predictions and Jaffe's 4-quark model. In both models, the predicted ratio g^2(kappa -> K-pi)/ g^2(sigma -> pi-pi) is much too...

A glueball component in fo(1790) (2006)

Bugg, D. V.

The omega-phi threshold peak observed by BES in J/Psi -> gamma(omega-phi) may be interpreted quantitatively in terms of a glueball component in fo(1790).

Study of K anti-K resonances in anti-p p ---> K+ K- pi0 at 900-MeV/c and 1640-MeV/c (2006)

Crystal Barrel Collaboration, Amsler, C., Baker, C. A., Barnett, B. M., Batty, C. J., Benayoun, M., ...

ProminentK ¯ K resonances observed in the in-flight annihilation of ¯ pp intoK+K−π0 include f2(1270), f0(1500), f 2 (1525), φ(1680)/ρ(1700) and a state at 1750 MeV/c2...

The Kappa in J/Psi -> Kpplus-piminus-Kminus-piplus (2005)

Bugg, D. V.

BES II data for J/Psi->K*(890)Kpi reveal a strong kappa peak in the Kpi S-wave near threshold. Both magnitude and phase are determined in slices of Kpi mass by interferences with strong Ko(1430),...

The kappa in E791 data for D->K-pi-pi (2005)

Bugg, D. V.

A combined fit is made to E791 data on D->K-pi-pi, LASS data on K-pi elastic scattering, and BES II data on J/Psi->K*(890)-K-pi.In all cases, the K-pi S-wave is fitted well with a kappa resonance and...

Sigma, Kappa and fo(980) in E791 and BES II data (2005)

Bugg, D. V.

Both sigma and kappa are well established from E791 data on D->3pi and D->K-pi-pi$ and BES II data on J/Psi->omega-pi-pi and KKpipi. Fits to these data are accurately consistent with pi-pi and Kpi...

Sigma, Kappa, fo(980) and a0(980) (2005)

Bugg, D. V.

Both sigma and kappa are well established from E791 data on D->3pi and Ds->Kpipi and BES II data on J/Psi -> omega pi pi and KKpipi. These fits are accurately consistent with pipi and Kpi elastic...

Four Sorts of Mesons (2004)

Bugg, D. V.

This report reviews the extensive spectrum of light non-strange qbar-q states up to a mass of 2400 MeV from Crystal Barrel and PS172 data on pbar-p -> Resonance -> A + B in 17 final states. For I=0,...

The phase of the sigma -> pi-pi amplitude in J/Psi -> omega-pi-pi (2004)

Bugg, D. V.

The phase variation of the sigma -> pi-pi amplitude is accurately determined as a function of mass from BES II data for J/Psi -> omega-pi-pi. The determination arises from interference with the...

The Kappa in J/Psi -> K^+pi^-K^-pi^+ (2004)

Dong, L. Y., Bugg, D. V.

This paper has been withdrawn pending discussions

The X(3872) and the 3941 MeV peak in omega+J/Psi (2004)

Bugg, D. V.

Belle data for the pi-pi mass spectrum in X(3872) -> pi-pi + JPsi are well fitted by rho + J/Psi with JPC = 1++, but are poorly fitted by the pi-pi S-wave. Formulae for partial wave amplitudes are...

Partial wave analysis of pbar-p to Lambdabar-Lambda (2004)

Bugg, D. V.

A partial wave analysis of PS185 data for pbar-p to Lambda-bar Lambda is presented. A 3S1 cusp is identified in the inverse process Lambda-bar Lambda to pbar-p at threshold using detailed balance....

Reinterpreting several narrow `resonances' as threshold cusps (2004)

Bugg, D. V.

The threshold pbar-p peak in BES data for J/\Psi to gamma-pbar-p may be fitted as a cusp. It arises from the well known threshold peak in pbar-p elastic scattering due to annihilation. Several...

Understanding I=2 pi-pi Interaction (2004)

Zou, B. S., Wu, F. Q., Li, L., Bugg, D. V.

A correct understanding and description of the I=2 pi-pi S-wave interaction is important for the extraction of the I=0 pi-pi S-wave interaction from experimental data and for understanding the I=0...

The pion nucleon coupling constant and the Goldberger-Treiman relation (2003)

Bugg, D. V., Scadron, M. D.

The latest $\pi N$ elastic scattering data are re-analysed to determine the coupling constant $g_c$ of the charged pion, using the dispersion relation for the invariant amplitude $B^{(+)}$. Depending...

New study of the isotensor pi-pi interaction (2003)

Wu, F. Q., Zou, B. S., Li, L., Bugg, D. V.

With t-channel rho, f2(1270) exchange and the pi pi -> rho rho -> pi pi box diagram contribution, we reproduce the pi pi isotensor S-wave and D-wave scattering phase shifts and inelasticities up to...

Annihilation at rest of antiprotons and protons into neutral particles (2003)

Crystal Barrel Collaboration, Amsler, C, Anisovich, A V, Baker, C A, Barnett, B M, Batty, C J, ...

Confirmation of a0(1450) and pi1(1600) in anti-p p --> omega pi+ pi- pi0 at rest (2003)

Baker, C A, Batty, C J, Braune, K, Bugg, D V, Dzhaoshvili, N, Dunnweber, W, ...

Annihilation at rest of antiprotons and protons into neutral particles (2003)

Amsler, C., Anisovich, A.V., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Annihilation at rest of antiprotons and protons into neutral particles (2003)

Amsler, C., Anisovich, A.V., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Covariant tensor formalism for partial wave analyses of psi decay to mesons (2002)

Zou, B. S., Bugg, D. V.

J/psi and psi' decay to mesons are a good place to look for glueballs, hybrids and for extracting strange and nonstrange components in mesons. Abundant J/psi and psi' events have been collected at...

Combined analysis of meson channels with I = 1, C = -1 from 1940-MeV to 2410-MeV (2002)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

I = 0, C = -1 mesons from 1940-MeV to 2410-MeV (2002)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Comment on 'protonium annihilation into $\pi^0\pi^0$ at rest in a liquid hydrogen target' (2002)

Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., Blum, P., ...

Comment on 'protonium annihilation into $\pi^0\pi^0$ at rest in a liquid hydrogen target' (2002)

Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., Blum, P., ...

Branching ratios for anti-p p annihilation at rest into two-body final states (2001)

Crystal Barrel Collaboration, Abele, A, Adomeit, B, Amsler, C, Baker, C A, Barnett, B M, ...

Study of anti-p p --> eta eta pi0 pi0 in flight (2001)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

Resonances in anti-p p --> omega eta from 600-MeV/c to 1940-MeV/c (2001)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

Resonances in anti- p p --> omega pi0 with masses 1960-MeV to 2410-MeV (2001)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

Resonances in anti-p p --> omega eta pi0 in the mass range 1960-MeV to 2410-MeV (2001)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

Partial wave analysis of anti-p p annihilation channels in flight with I = 1, C = +1 (2001)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

A partial wave analysis of anti-p p --> eta eta pi0 (2001)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

Branching ratios for $\overline{p}p$ annihilation at rest into two body final states (2001)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Branching ratios for $\overline{p}p$ annihilation at rest into two body final states (2001)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

The glueball spectrum (2000)

Bugg, D. V., Peardon, M., Zou, B. S.

Mass ratios of glueballs predicted by the latest Lattice QCD calculations in the quenched approximation agree well with four prime experimental candidates.

A J(PC) = 0-+ enhancement at the f0(980) eta threshold (2000)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Hodd, C, Nikonov, V A, ...

Partial wave analysis of anti-p p --> pi- pi+, pi0 pi0, eta eta and eta eta' (2000)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Data on anti-p p --> pi0 pi0, eta eta and eta eta' from 600-MeV/c to 1940-MeV/c (2000)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Resonances in anti-p p --> omega pi0 pi0 from 600-MeV/c to 1940-MeV/c (2000)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Three I = 0 J/(PC) = 2-+ mesons (2000)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Evidence for omega' --> omega sigma and b1(1235) pi (2000)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Hidas, P, Hodd, C, ...

Data on anti-p p --> eta' pi0 pi0 for masses 1960-MeV/c**2 to 2410-MeV/c**2 (2000)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Hodd, C, Nikonov, V A, ...

I = 0 C = +1 mesons from 1920-MeV to 2410-MeV (2000)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Hodd, C, Lu, H C, ...

A study of anti-p p --> eta eta eta for masses 1960-MeV/c**2 to 2410-MeV/c**2 (2000)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Nikonov, V A, Sarantsev, A V, ...

New analysis of the radiative decay omega --> eta gamma in proton - anti-proton annihilation at rest (2000)

Case, T, Crowe, K M, Heinsius, F H, Kammel, P, Lakata, M, Degener, T, ...

New analysis of the radiative decay $\omega \rightarrow \eta\gamma$ in proton-antiproton annihilation at rest (2000)

Case, T., Crow, K.M., Heinsius, F.H., Kammel, P., Lakata, M., Degener, T., ...

New analysis of the radiative decay $\omega \rightarrow \eta\gamma$ in proton-antiproton annihilation at rest (2000)

Case, T., Crow, K.M., Heinsius, F.H., Kammel, P., Lakata, M., Degener, T., ...

Partial widths a_0(980)\to\gamma\gamma, f_0(980)\to\gamma\gamma and q\bar q-classification of the lightest scalar mesons (1999)

Anisovich, A. V., Anisovich, V. V., Bugg, D. V., Nikonov, V. A.

We calculate partial widths for the decays a_0(980)\to\gamma\gamma and f_0(980)\to\gamma\gamma under the assumption that a_0(980) and f_0(980) are members of the basic 1^3P_0 q\bar q nonet. The...

Evidence for a J(PC) = 1++ I = 1 meson at 1640-MeV (1999)

Baker, C A, Batty, C J, Pinder, C N, Blum, P, Holtzhaussen, C, Bugg, D V, ...

Study of the process anti-p p --> eta eta pi0 from 1350-MeV/c to 1940-MeV/c (1999)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Observation of f0(1770) --> eta eta in anti-p p --> eta eta pi0 reactions from 600-MeV/c to 1200-MeV/c (1999)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Anti-p d annihilation at rest into pi+ pi- pi- p(spectator) (1999)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Observation of resonances in the reaction anti-p p --> pi0 eta eta at 1.94-GeV/c (1999)

Crystal Barrel Collaboration, Abele, A, Adomeit, B, Amsler, C, Baker, C A, Barnett, B M, ...

Anti-p p --> pi0 eta and pi0 eta' from 600-MeV/c to 1940-MeV/c (1999)

Crystal Barrel Collaboration, Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, ...

Study of anti-p p --> pi0 pi0 eta from 600-MeV/c to 1940-MeV/c (1999)

Crystal Barrel Collaboration, Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, ...

Resonances in anti-p p --> f2(1270) pi (1999)

Crystal Barrel Collaboration, Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, ...

Resonances formed by anti-p p and decaying into pi0 pi0 eta for masses 1960-MeV to 2410-MeV (1999)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Hodd, C, Kisiel, J, ...

The f2(1565) in anti-p p --> (omega omega) pi0 interactions at rest (1999)

Baker, C A, Barnett, B M, Batty, C J, Braune, K, Bugg, D V, Cramer, O, ...

Anti-p p --> pi0 pi0 from 600-MeV/c to 1940-MeV/c (1999)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Anti-p p --> eta eta and eta eta' from 600-MeV/c to 1940-MeV/c (1999)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

The rho mass, width and line-shape in p-bar p annihilation at rest into pi+ pi- pi0 (1999)

Abele, A, Adomeit, J, Amsler, C, Anisovich, A V, Baker, C A, Barnett, B M, ...

Observation of Pontecorvo reactions with open strangeness: Anti-p d --> Lambda K0 and anti-p d --> Sigma0 K0 (1999)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Analysis of anti-p p --> pi- pi+, pi0 pi0, eta eta and eta eta' from threshold to 2.5-GeV/c (1999)

Anisovich, A V, Nikonov, V A, Sarantsev, A V, Sarantsev, V V, Baker, C A, Batty, C J, ...

Resonances in anti-p p --> f2(1270) pi, pi0 eta and pi0 eta' in the mass range 1960-MeV to 2410-MeV (1999)

Anisovich, A V, Baker, C A, Batty, C J, Bugg, D V, Hodd, C, Kisiel, J, ...

Observation of resonances in the reaction pp to $\pi\eta\eta$ at 1.94 GeV/c (1999)

Abele, A., Adomeit, B., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$\overline{p}$d-annihilation at rest into $\pi^+\pi^-\pi^-p_{spectator}$ (1999)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Antiproton-proton annihilation at rest into K$^+$K$^-\pi^0$ (1999)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Observation of Pontecorvo reactions with open strangeness: $pd \rightarrow \Lambda K^0$ and $pd \rightarrow \Sigma^0K^0$ (1999)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

The $\rho$-mass, width and line shape in $\overline{p}p$ annihilation at rest into $\pi^+\pi^-\pi^0$ (1999)

Abele, A., Adomeit, J., Amsler, C., Anisovich, A.V., Baker, C.A., Barnett, B.M., ...

Observation of resonances in the reaction pp to $\pi\eta\eta$ at 1.94 GeV/c (1999)

Abele, A., Adomeit, B., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$\overline{p}$d-annihilation at rest into $\pi^+\pi^-\pi^-p_{spectator}$ (1999)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Antiproton-proton annihilation at rest into K$^+$K$^-\pi^0$ (1999)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Observation of Pontecorvo reactions with open strangeness: $pd \rightarrow \Lambda K^0$ and $pd \rightarrow \Sigma^0K^0$ (1999)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

The $\rho$-mass, width and line shape in $\overline{p}p$ annihilation at rest into $\pi^+\pi^-\pi^0$ (1999)

Abele, A., Adomeit, J., Amsler, C., Anisovich, A.V., Baker, C.A., Barnett, B.M., ...

Exotic mesons, locking states and their role in the formation of the confinement barrier (1998)

Anisovich, V. V., Bugg, D. V., Sarantsev, A. V.

We discuss a mechanism by which a set of $q\bar q$-states mixes with an exotic one, so that the exotic state accumulates the widths of the overlapping $\bar qq$ resonances. The broad state created...

Exotic eta pi state in anti-p d annihilation at rest into pi- pi0 eta p(spectator) (1998)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Decay dynamics of the process eta --> 3pi0 (1998)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Momentum dependence of the decay eta --> pi+ pi- pi0 (1998)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Study of anti-p p --> eta pi0 pi0 pi0 at rest (1998)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Baker, C A, Barnett, B M, Batty, C J, ...

Momentum dependence of the decay $\eta \rightarrow \pi^+\pi^-\pi^0$ (1998)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Decay dynamics of the process $\eta \rightarrow 3\pi^0$ (1998)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Exotic $\eta \pi$ state in $\overline{p}d$ annihilation at rest into $\pi^-\pi^0\eta p_{spectator}$ (1998)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Study of $\overline{p}p \rightarrow \eta \pi^0\pi^0\pi^0$ at rest (1998)

Abele, A., Adomeit, J., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Momentum dependence of the decay $\eta \rightarrow \pi^+\pi^-\pi^0$ (1998)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Decay dynamics of the process $\eta \rightarrow 3\pi^0$ (1998)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Exotic $\eta \pi$ state in $\overline{p}d$ annihilation at rest into $\pi^-\pi^0\eta p_{spectator}$ (1998)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Study of $\overline{p}p \rightarrow \eta \pi^0\pi^0\pi^0$ at rest (1998)

Abele, A., Adomeit, J., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Comment on the review paper of Amsler (1997)

Bugg, D. V., Sarantsev, A. V.

We present a dissenting view of some aspects of the work of the Crystal Barrel collaboration.

Broad resonances as locking states and the problem of confinement (1997)

Anisovich, V. V., Bugg, D. V., Sarantsev, A. V.

We discuss the mechanism of broad state formation when one of several overlapping resonances accumulates the widths of others. This mechanism may be important in the mixing of quark states with...

\eta-\eta' -Glueball mixing from photon-meson transition form factors and decay ratio D_s --> \eta l \nu / \eta' l \nu (1997)

Anisovich, V. V., Bugg, D. V., Melikhov, D. I., Nikonov, V. A.

The background due to the direct diffractive dissociation of the photon into the $\pi^+\pi^-$-pair to the "elastic" diffractive $\rho^0$-meson production in electron-proton collisions is calculated....

High mass rho meson states from anti-p d annihilation at rest into pi- pi0 pi0 spectator (1997)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Armstrong, D S, Baker, C A, ...

Measurement of the decay distribution of eta-prime --> pi+ pi- pi- gamma and evidence for the box anomaly (1997)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Armstrong, D S, Baker, C A, ...

Study of the pi0 pi0 eta-prime final state in anti-p p annihilation at rest (1997)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

rho omega interference in anti-p p annihilation at rest into pi+ pi- eta (1997)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Anti-proton proton annihilation at rest into K(L) K(S) pi0 pi0 (1997)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

Anti-proton proton annihilation at rest into K0(L) K+- pi-+ pi0 - manifestations of isospin interference (1997)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Baker, C A, Barnett, B M, ...

High-mass $\rho$-meson states from $\overline{p}$ d-annihilation at rest into $\pi^-\pi^0\pi^0 P_{spectator}$. (1997)

Abele, A., Adomeit, J., Amsler, C., Armstrong, D.C., Baker, C.A., Barnett, B.M., ...

Study of the $\pi^0\pi^0\eta$' final state in $\overlinep{p}p$ annihilation at rest (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Measurement of the decay distribution of $\eta '\rightarrow \pi^+\pi^-\gamma$ and evidence for the box anomaly (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$\rho-\omega$ interference in $\overline{p}$p-annihilation at rest into $\pi^+\pi^- \eta$ (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, J., ...

Measurement of the $\omega \rightarrow \eta_y$ decay branching ratio (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, J., ...

Antiproton-proton annihilation at rest into K$^0_L$ K$^{\pm}\pi^{\mp} \pi^o$ - manifestations of isospin (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Antiproton-proton annihilation at rest into K$_L$ K$_S \pi^0\pi^0$ (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

High-mass $\rho$-meson states from $\overline{p}$ d-annihilation at rest into $\pi^-\pi^0\pi^0 P_{spectator}$. (1997)

Abele, A., Adomeit, J., Amsler, C., Armstrong, D.C., Baker, C.A., Barnett, B.M., ...

Study of the $\pi^0\pi^0\eta$' final state in $\overlinep{p}p$ annihilation at rest (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Measurement of the decay distribution of $\eta '\rightarrow \pi^+\pi^-\gamma$ and evidence for the box anomaly (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$\rho-\omega$ interference in $\overline{p}$p-annihilation at rest into $\pi^+\pi^- \eta$ (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, J., ...

Measurement of the $\omega \rightarrow \eta_y$ decay branching ratio (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, J., ...

Antiproton-proton annihilation at rest into K$^0_L$ K$^{\pm}\pi^{\mp} \pi^o$ - manifestations of isospin (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Antiproton-proton annihilation at rest into K$_L$ K$_S \pi^0\pi^0$ (1997)

Abele, A., Adomeit, J., Amsler, C., Baker, C.A., Barnett, B.M., Batty, C.J., ...

A search for the $\xi$(2235) in $\overline{p}p \rightarrow \pi^{-}\pi^{+}$ (1996)

Hasan, A, Bugg, D V

A new view of the 0- and 2+ glueballs (1996)

Bugg, D. V., Zou, B. S.

Data on $J/\Psi \to \gamma (\rho\rho)$ demand a broad $0^-$ $\rho\rho$ signal, attributable to a glueball with a mass of 1750--2100 MeV. Decays of this broad state to $\rho\rho$, $\omega\omega$,...

A possible explanation of the "$\varrho \pi$ puzzle" in J/$\psi$, $\psi$' decays (1996)

Li Xue Qian, Bugg, D V, Zou Bing Song

Search for a new light gauge boson in pi0, eta and eta-prime decays (1996)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Baker, C A, Barnett, B M, Batty, C J, ...

A Study of f0 (1500) decays into 4 pi0 in anti-p p ---> 5 pi0 at rest (1996)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Armstrong, D S, Baker, C A, ...

The Crystal Barrel Project at LEAR (1996)

Crystal Barrel Collaboration, Koch, H, Bueche, G, Cierjacks, S, Engelhardt, D, Kunze, M, ...

In *Villars-sur-Ollon 1987, Physics at LEAR with low energy antiprotons* 493-501

Evidence for two isospin zero J(PC) = 2-+ mesons at 1645-MeV and 1875-MeV (1996)

Crystal Barrel Collaboration, Adomeit, J, Amsler, C, Armstrong, D S, Baker, C A, Barnett, B M, ...

Further analysis of anti-p p ---> 3pi0, eta eta pi0 and eta pi0 pi0 at rest (1996)

Abele, A, Adomeit, J, Armstrong, D S, Baker, C A, Batty, C J, Benayoun, Maurice, ...

Observation of f(0)(1500) decay into K(L) K(L) (1996)

Crystal Barrel Collaboration, Abele, A, Adomeit, J, Amsler, C, Armstrong, D S, Baker, C A, ...

Further analysis of $pp \rightarrow 3\pi^0, \eta \eta \i^0$ and $\eta \pi^0\pi^0$ at rest (1996)

Abele, A., Adomeit, J., Armstrong, D.S., Baker, C.A., Batty, C.J., Benayoun, M., ...

Search for a new light gauge boson in $\pi^0$-decay $\eta$ and $\eta'$ decays (1996)

Amsler, C., Armstrong, D.S., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Evidence for two isospin zero J(PC)=2(-+)mesons at 1645 and 1875 MeV (1996)

Adomeit, J., Amsler, C., Armstrong, D.S., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Further analysis of $pp \rightarrow 3\pi^0, \eta \eta \i^0$ and $\eta \pi^0\pi^0$ at rest (1996)

Abele, A., Adomeit, J., Armstrong, D.S., Baker, C.A., Batty, C.J., Benayoun, M., ...

Search for a new light gauge boson in $\pi^0$-decay $\eta$ and $\eta'$ decays (1996)

Amsler, C., Armstrong, D.S., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Evidence for two isospin zero J(PC)=2(-+)mesons at 1645 and 1875 MeV (1996)

Adomeit, J., Amsler, C., Armstrong, D.S., Baker, C.A., Barnett, B.M., Batty, C.J., ...

Resonances in J/$\psi$ --> $\gamma$($\pi^{+}\pi^{-}\pi^{+}\pi^{-}$) (1995)

Anisovich, V V, Bugg, D V, Burnett, T H, Sarantsev, A V, Scott, I J, Sutlie, S, ...

Search for glueballs (1995)

Anisovich, V V, Bugg, D V

BaBar technical design report (1995)

BABAR Collaboration, Boutigny, D, Karyotakis, Y, Lees-Rosier, S, Petitpas, P, Evangelista, C, ...

Coupled channel analysis of anti-p p annihilation into pi0 pi0 pi0, pi0 eta eta and pi0 pi0 eta (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Baker, C A, Barnett, B M, Batty, C J, ...

E decay to eta pi pi in anti-p p annihilation at rest (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Baker, C A, Barnett, B M, Batty, C J, ...

Anti-proton annihilation at rest in liquid deuterium (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, DS, Baker, C A, Barnett, BM, Batty, C J, ...

eta decays into three pions (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

First observation of the production of nucleon resonances in anti-proton annihilation in liquid deuterium (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

First observations of Pontecorvo reactions with a recoiling neutron (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

Observation of radiative anti-p p annihilation into a phi meson (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

High statistics study of f0 (1500) decay into eta eta (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Baker, C A, Barnett, B M, Batty, C J, ...

Two-body annihilation in flight (1995)

Crystal Barrel Collaboration, Amsler, C, Armstrong, DS, Baker, C A, Barnett, BM, Batty, C J, ...

First observation of Pontecorvo reactions with a recoiling neutron (1995)

Amsler, C., Armstrong, D.S., Augustin, I., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$\Eta$-decays into three pions (1995)

Amsler, C., Armstrong, D.S., Augustin, I., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$E$ decays to $\eta\pi\pi$ in $\overline{p}p$ annihilation at rest (1995)

Amsler, C., Armstrong, D.S., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

First observation of Pontecorvo reactions with a recoiling neutron (1995)

Amsler, C., Armstrong, D.S., Augustin, I., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$\Eta$-decays into three pions (1995)

Amsler, C., Armstrong, D.S., Augustin, I., Baker, C.A., Barnett, B.M., Batty, C.J., ...

$E$ decays to $\eta\pi\pi$ in $\overline{p}p$ annihilation at rest (1995)

Amsler, C., Armstrong, D.S., Baker, C.A., Barnett, B.M., Batty, C.J., Benayoun, M., ...

Amplitudes for $\overline{p}$p --> from 0.36 to 2.5 GeV/c (1994)

Hasan, A, Bugg, D V

Search for a new light gauge boson in decays of $\pi^{0}$ and $\eta$ (1994)

Amsler, Claude, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, Batty, C J, ...

pi-NN Coupling Constants from NN Elastic Data between 210 and 800 Mev (1994)

Bugg, D. V., Machleidt, R.

High partial waves for $pp$ and $np$ elastic scattering are examined critically from 210 to 800 MeV. Non-OPE contributions are compared with predictions from theory. There are some discrepancies, but...

Search for a new light gauge boson in decays of pi0 and eta (1994)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

Observation of a scalar resonance decaying to pi+ pi- pi0 pi0 in anti-p p annihilation at rest (1994)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

Observation of two J(PC) = 0++ isoscalar resonances at 1365-MeV and 1520-MeV (1994)

Crystal Ball Collaboration, Anisovich, V V, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

Study of anti-p p annihilation at rest into omega eta pi0 (1994)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...

Observation of a new I(G) (J(PC)) = 1- (O++) resonance at 1450-MeV (1994)

Crystal Barrel Collaboration, Amsler, C, Anisovich, VV, Armstrong, DS, Augustin, I, Baker, C A, ...

eta eta-prime threshold enhancement in anti-p p annihilations into pi0 eta eta-prime at rest (1994)

Crystal Barrel Collaboration, Amsler, C, Armstrong, D S, Augustin, I, Baker, C A, Barnett, B M, ...