• A.D. Kovalenko, N.N. Agapov, V.D. Kekelidze, H.G. Khodzhibagiyan, I.N. Meshkov, V.A. Mikhaylov, V.A. Petrov, A.N. Sissakian, A. Sorin, G.V. Trubnikov
  JINR, Dubna, Moscow Region

NICA (Nuclotron-based Ion Collider fAcility) is the new accelerator complex currently under construction at JINR. The facility is aimed to provide collider experiments with heavy ions up to uranium (gold at the beginning stage) with a centre of mass energy up to 11 GeV/u and an average luminosity up to 10²⁷ cm^-2 s^-1. The collisions of polarized deuterons and protons are foreseen also. The accelerator complex includes two injector linacs, a superconducting booster synchrotron, a 6 GeV/u superconducting synchrotron (existing Nuclotron) and a collider consisting of two storage rings. Different modifications of superferric magnets based on a hollow composite NbTi cable operating at 4.5 K is proposed to be used for the NICA booster and collider rings. The twin-aperture collider dipole consists of two vertically assembled cold masses placed inside a common thermal shield and a common cryostat. The dipole good field aperture is fixed to 60 mm. The 2 T option, which design is very similar to the Nuclotron's one, was fixed as basis for the collider of 350 m long. R&D work on a curved 4 T Cosine(θ)-dipoles based on a hollow Nuclotron-type cable is proposed to be continued.

• I.N. Meshkov, A.N. Sissakian, G.V. Trubnikov
  JINR, Dubna, Moscow Region

This presentation will describe the accelerators - basic facilities at JINR and briefly discuss research programs for applications and basic research, which are performed at these accelerators.

Slides

• A.O. Sidorin, N.N. Agapov, V. Batin, A.V. Butenko, D.E. Donets, A.V. Eliseev, A. Govorov, V. Karpinsky, V.D. Kekelidze, H.G. Khodzhibagiyan, A. Kirichenko, O.S. Kozlov, I.N. Meshkov, V.A. Mikhaylov, V. Monchinsky, S. Romanov, V. Shevtsov, A.N. Sissakian, I. Slepnev, V. Slepnev, G.V. Trubnikov, B. Vasilishin, V. Volkov
  JINR, Dubna, Moscow Region
• V. Alexandrov
  BINP SB RAS, Protvino, Moscow Region
• O.I. Brovko, A.D. Kovalenko
  JINR/LHE, Moscow

The 'Nuclotron-M' project started in 2007 is considered as the key point of the first stage of the NICA/MPD project. General goal of the 'Nuclotron-M' project is to prepare all the systems of the Nuclotron for its long and reliable operation as a part of the NICA collider injection chain. Additionally the project realization will increase the Nuclotron ability for realization of its current experimental program. Results of the last runs of the Nuclotron operation are presented.

• G. Shirkov, Ju. Boudagov, Yu.N. Denisov, A. Dudarev, I.N. Meshkov, B.M. Sabirov, A.N. Sissakian, G.V. Trubnikov
  JINR, Dubna, Moscow Region

The investigations on ILC siting in the Dubna region and ILC technical activity at JINR are presented. International intergovernmental status of JINR, stable geological and plain relief conditions, comfortable location and well developed infrastructure create a set of advantages of the JINR site in the neighborhood of Dubna. The shallow layout of accelerator tunnel makes it possible to use a communication gallery at the surface instead of second one. This is an effective way of significant cost reduction of all conventional facilities and explicit labor of the project. The results of the preliminary geological engineering surveys along the supposed route of the ILC in Dubna area of Moscow region are presented.