The cross-sections of relativistic deuteron reactions on natural copper were studied in detail by means of activation method. The copper foils were irradiated during experiments with the big Quinta uranium target at Joint Institute for Nuclear Research (JINR) in Dubna, Russia. The deuteron beams with energies ranging from 1 GeV up to 8 GeV were produced by JINR Nuclotron. Residual nuclides were...

The sensitivity of the deuteron and of pp scattering to the πNN and ρNN coupling constants is investigated systematically. We find that the deuteron can be described about equally well with either large π and ρ or small π and ρ coupling constants. However, pp scattering clearly requires the strong ρ, but favors the weak π (particularly, in 3P0 at low energies). This apparent contradiction betwe...

The S wave pion deuteron scattering length is presented in an effective field theory approach of the two-nucleon system. We include pions as dynamical particles which allows us to calculate pion re-scattering contributions inside the deuteron. Two-nucleon two-pion contact interactions with unknown parameters not determined by chiral symmetry need to be introduced in order to renormalise the app...

Using the forward time projection chambers of the STAR experiment at the Brookhaven Relativistic Heavy Ion Collider we measure the centrality dependent Λ and ¯ Λ yields and the inverse slope parameters in d+Au collisions at forward and backward rapidities y = ±2.75. The contributions of different processes to stopping and baryon transport are probed exploiting the inherent asymmetry of the d+Au...

We demonstrate that measurement of tagged structure functions of the deuteron in (e, eN) semi-inclusive reactions can discriminate between different hypotheses on the origin of the nuclear EMC effect. By choosing extreme backward kinematics for the spectator nucleon to minimize effects from the deuteron wave function and final state interactions, one can isolate the modifications in the structu...

We calculate the difFerential cross section and the photon asymmetry of the reaction pd m x d for incident photon energies below 1 GeV and compare with data at 8 = 130'. Our formalism, based on the spectator-on-mass-shell approximation, is fully relativistic and uses the de% vertex of Buck and Gross and a recently developed model for the elementary 7N -+ xN amplitude that describes well the fir...

Nuclear shadowing in polarized DIS on 6 LiD at small x and its effect on the extraction of the deuteron spin structure function g d 1 (x, Q 2) Abstract We consider the effect of nuclear shadowing in polarized deep inelastic scattering (DIS) on 6 LiD at small Bjorken x and its relevance to the extraction of the deuteron spin structure function g d 1 (x, Q 2). Using models, which describe nuclear...

Using a simple field-theoretic model we show that, in the zero binding limit, the relativistic deuteron wave function has a cluster decomposition; i.e., factors into two separate nucleon wave functions convoluted with a body wave function. The framework of the calculation is a Fock state expansion at equal time on the light-cone. Assuming a quark interchange mechanism, we then derive the deuter...

A description of the generalized Gerasimov-Drell-Hearn sum rules for proton, neutron and deuteron is suggested. The proton consideration confirms the earlier conjecture, that the structure function gT features a smooth Q−dependence, while the structure function g2 is changing rapidly, due to the elastic contribution to the Burkhardt-Cottingham sum rule. The neutron case features the close conne...

The central tenet of effective theory is that the details of short-distance physics will not have a significant impact on low-energy observables. Here we perform an analysis of electrondeuteron scattering at low momentum transfers which is based on effective field theory. We show that in our approach the deuteron electromagnetic form factors FC and FM indeed are largely insensitive to the short...