Törnqvist, Nils A

birthDate

• 1939

deathDate

• 2018

name

• Törnqvist, Nils A

Authored works

• A dynamical model for narrow resonances
• Are the pseudoscalars light because of hadron self energies?
• Bags, unitarity and meson spectroscopy
• Baryon mass splittings in the unitarised quark model
• Bell's inequalities as triangle equalities for cross sections
• Constituents in hadrons with a specific SU(3) structure can give new predictions in agreement with data
• Current problems in light meson spectroscopy
• Deusons, large deuteronlike mesonium states, bound by pions
• Deuteronlike meson-meson bound states and On deusons, deuteronlike meson-meson bound states
• Einstein-Podolsky-Rosen experiments using the decays of [eta][sub c] or J/[psi] into [LAMBDA][sup -][LAMBDA] ->[pi][sup -]p[pi][sup +-]p
• Energy from ocean waves : theoretical analyses of some simple devices
• Flavour symmetry breaking and generalized Goldberger Treiman relations
• From the deuteron to deusons, an analysis of deuteronlike meson-meson bound states
• Ground state baryon mass splittings from unitarity
• How to measure and optimize the efficiency of a wave power converter
• How to parametrize an S-wave resonance and how to identify two-hadron composities
• Isospin violating mass differences of baryons and hadronic loops
• Light meson spectroscopy and threshold effects
• Light quark spectroscopy
• New and old light mesons and NN̄
• New phenomena in [pi]N ->[pi]N: Saturation of the most stringent isospin bound
• Possible large dectronlike meason - meason states bound by bions
• Quarkonium and quark loops
• Resolution of the scalar mesons
• Resurrection of the sigma meson
• Spontaneous breaking of flavor symmetry
• Spontaneous breaking of SU3[sub f] down to isospin
• Studies on the hypothesis of charge independence in elementary particle physics
• Suggestion for Einstein-Podolsky-Rosen experiments using reactions like e[sup +]e[sup -] ->[LAMBDA][L̄AMBDA] ->[pi][sup -]p[pi][sup +]p̄
• Summary of the Gluonium95 and Hadron95 conferences : The scalar qq̄ nonet
• Summing soft photons as an inclusive sum using Mueller's theorem
• The a[sub 1] mass from [tau] ->a[sub 1][nu] decay
• The axial mesons in the unitarized quark model
• The decay J/[psi]->[LAMBDA][sup -][LAMBDA]->[pi][sup -]p[pi][sup +-]p as an Einstein-Podolsky-Rosen experiment
• The meson mass spectrum and unitarity
• The new mesons, are they deusons or glueballs?
• The P-wave baryons masses from unitarity
• The proton spin, axial vector current and mesonic cloud
• The spectrum of the P-wave baryons and hadronic loops
• The suppressed decays of [rho]', [omega]' and [psi] (4.028) and particle degeneracies (sisters)
• The tensor mesons in the unitarized quark model : is there a glueball component in the f and f' meson?
• The uniqueness of the Paton-Chan isospin factor for the exlusion of exotic states in dual resonance models
• The upsilon and baryon mass spectra and nonperturbative unitarity effects
• The ypsilon (5S) mass and e[sup+] e[sup-] ->BB̄, BB̄[sup*], B[sup*] B[sup*] as sensitive tests of the unitarized quark model
• Understanding the scalar meson qq̄ nonet
• Unitarized quarkonium

Works contributed to

• Charmonium and bottonium spectroscopy and coupled channel effects
• Heavy cc̄ and bb̄ quarkonium states and unitarity effects
• Meson mass relations and mixing in U(4) U(4)
• On the quark and gluon content of the proton spin
• Preasymptotic versus asymptotic QCD relations for the hadronic form factor and the anomalous J/[psi] and [psi]' decays
• Prediction of the A[sub 1]-B, the Q[sub 1]-Q[sub 2] mass difference and the Q[sub 1]-Q[sub 1] mixing
• Pseudoscalars and vector mesons in a unitary and self-consistently broken SU(6)W Scheme
• Search for saturation of isospin bounds and isospin analysis of [pi]N ->K[SIGMA] and KN ->[pi][SIGMA]
• The anomalous J/[psi] and [psi]' decays : a glueball signal or an effect of the hadronic form factor?
• The B[sup 0]B̄[sup 0] mixing signal from B[sup 0] and B[sup 0][sub S] meson production between the [gamma](4S) and [gamma](6S)
• The Okubo-Zweig-Iizuka rule and unitarity
• The puzzle of the near-saturation of isospin bounds in [pi]N ->[pi]N, KN ->KN and [pi]N ->K[SIGMA]

Works about Törnqvist, Nils A