Abstract
The features of the kinematics of elastic pp (dd ) scattering in the collider system, as well as some issues concerning registration and selection of elastic scattering events in the NICA colliding beams are considered. Equality and the opposite direction of the scattered particle momenta provide a powerful selection criterion for elastic collisions. Variants of the organization of the trigger signal for recording tracks of secondary particles and DAQ system are given. The estimates of the characteristics of elastic NN processes are obtained from available dσ /d ΩCM data for the elastic pp and np scattering. The paper presents examples of simulations using the Monte-Carlo of elastic pp scattering in the colliding proton beams and quasi-elastic np scattering in the colliding deuteron beams and evaluates the outputs of these processes at the NICA collider.
Highlights
The NICA collider energy range of Tp [1] =5 will provide ÷ 12.6 GeV (t√hsepcpo=lli1d2in÷g2b7eGameVs of polarized ) for protons panrodtoTnds=an2d÷d5e.u5tGereoVns(w√isthNNth=e4 ÷ 13 GeV) for deuterons
In our previous reports and publications [2,3,4] we have considered opportunities of studying the spin 1/2 and 1 observables in the elastic interactions of the colliding proton and deuteron beams of the NICA collider
The fourth section gives the examples of the Monte Carlo (MC) simulations for elastic events in the collider system using the existing experimental data on dσ/dΩ of elastic pp and np collisions
Summary
T√hsepcpo=lli1d2in÷g2b7eGameVs of polarized ) for protons panrodtoTnds=an2d÷d5e.u5tGereoVns(w√isthNNth=e. Obtaining new data on spin-dependent observables in elastic NN and dd scattering at the colliding beams energies Tp,d above a few GeV could be the priority area of V BLHEP research at the NICA collider. It has been shown that in elastic interactions of colliding proton beams one can measure energy and angular dependencies of the analyzing powers of the reactions with one polarized beam Aoono or Aooon, and the spin correlation parameters Aookk and Aoonn in collisions of both polarized proton beams. In elastic interactions of the colliding deuteron beams it is possible to obtain a complete set of energy and angular dependencies of components of the vector and tensor analyzing powers Ay, Ayy, and Axx for the dN and dd reactions. The fourth section gives the examples of the MC simulations for elastic events in the collider system using the existing experimental data on dσ/dΩ of elastic pp and np collisions
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