Super S-Tau Factory

2023: Construction begins

On September 14, 2023, the G.I. Budker SB RAS (INF) announced a project called "Super S-Tau Factory." We are talking about the creation of an electron-positron collider, which will be located in Sarov.

Factories are a special class of colliders with high luminosity: this value determines the number of particle births occurring per unit time. It is expected that the new complex will have a corresponding indicator 100 times more than existing installations around the world. The Super S-Tau Factory system is planned to be used to study particles containing enchanted quarks and tau leptons. In addition, scientists will search for new physical effects not described by the Standard Model.

Collider "Super S-Tau Factory" will be built in Sarov

The main advantage of the "Super S-Tau factory" is that we will be able to broadly and comprehensively explore the heaviest lepton (tau lepton), the enchanted quark (s-quark) and all the physics associated with them. These are hundreds of different measurements and experiments. One of the very interesting experiments that we want to carry out is related to the search for the decay of tau lepton into muon and photon without neutrinos, - said Ivan Logashenko, deputy director of the INF SB RAS, member of the section of the Scientific and Technical Council of the NCPM "Nuclear and Radiation Physics."

As of mid-September 2023, the collider project has been developed, and researchers are working on the detailed development of the necessary technical solutions. According to Russian experts, innovative technologies are involved in the installation. In particular, to achieve record luminosity, new methods of focusing and collision of beams were used. The final focus system of the beam consists of several superconducting magnets through which particles travel towards each other in the collider, right before the collision. The main component of this system is a compact superconducting quadrupole lens with a large gradient. In addition, the collider will receive a special detector system, which will allow, with a high luminosity of the installation, to obtain high accuracy in measuring the parameters of particles born during a collision of beams.^[1]

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