Spectroscopic factors and asymptotic normalization coefficients ~ANCs! have been determined for bound states in O using the N(He,d)O reaction. These results are used to calculate the astrophysical S factor for direct capture in the N(p ,g)O reaction. We also discuss how uncertainties in optical-model parameters influence both the spectroscopic factors and the ANCs, and the effect that this has ...

We describe a four-parameter model for non-exotic meson-meson scattering, which accommodates all non-exotic mesons, hence also the light scalar mesons, as resonances and bound states characterised by complex singularities of the scattering amplitude as a function of the total invariant mass. The majority of the full S-matrix mesonic poles stem from an underlying confinement spectrum. However, t...

The electric quadrupole moments of the decuplet baryons are calculated in the bound state approach to the SU(3) Skyrme model. In this approach, all the quadrupole moments of the decuplets are found to be proportional to the third component of the baryon isospin. Contrary to the SU(3) collective model, the kaonic contribution is as important as the pionic one. The transitional quadrupole moments...

Comparison of relativistic bound-state calculations in front-form and instant-form dynamics , Few Body Syst. 33, 27 (2003). New observables in longitudinal single-spin asymmetries in semi-inclusive DIS, Gauge link structure in quark-quark correlators in hard processes,

The last twenty years have produced a rather extensive literature on the exact mathematical treatment of general features of the Schrodinger equation for one or many particles. One of the more intriguing questions concerns the presence of discrete eigenvalues of positive energy (that is square-integrable eigenfunctions with positive eigenvalues) . There is a highly non-rigorous but physically a...

Hawking has suggested that the Taub-NTIT metric might give rise to the gravitational analog of the Yang-"fills pseudoparticle or instanton. We extend Hawking's treatment by using the Atiyah-Patodi-Singer index theorem for manifolds with boundaries and reach somewhat different conclusions regarding the nature of the bound states of the Dirac equation. In particular, the Taub-VTT metric does not ...

We review the possibility of formation for a bound state made out of a stop quark and its antiparticle. The detection of a signal from its decay has been investigated for the case of a ee collider. [email protected] [email protected] 1

The method of integral transforms is reviewed. In the framework of this method reaction observables are obtained with the bound–state calculation techniques. New developments are reported.

Inspired by the recent findings of the twoPþc states in the J=ψpmass spectrum at LHCb,we investigate the elastic and inelastic cross sections of the J=ψN, ηcN,ΥN and ηbN channelswithin the constraints fromheavy quark spin and flavor symmetry. The D̄ð ÞΣð Þ c (Bð ÞΣð Þ b ) bound states predicted in earlier works should be accessible in elastic and/or inelastic processes of the J=ψN and/or ηcN (ΥN...

We show that the covariant effective action for M5-brane is a solution to the HamiltonJacobi (H-J) equations of 11-dimensional supergravity. The solution to the H-J equations reproduces the supergravity solution that represents the M2-M5 bound states. e-mail address : [email protected] e-mail address : [email protected]