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Experiments at the Super Charm-Tau factory

 a, b,  a, b,  a, b,  c,  a, b,  a,  d,  a, b,  a, b,  a, b,  a, b,  a, b,  e,  e, c,  e,  f,   e
a Budker Institute of Nuclear Physics, Siberian Branch of the Russian Academy of Sciences, prosp. akad. Lavrenteva 11, Novosibirsk, 630090, Russian Federation
b Novosibirsk State University, ul. Pirogova2, Novosibirsk, 630090, Russian Federation
c HSE University, ul. Myasnitskaya 20, Moscow, 101000, Russian Federation
d Institute for Nuclear Research, Russian Academy of Sciences, prosp. 60-letiya Oktyabrya 7a, Moscow, 117312, Russian Federation
e Lebedev Physical Institute, Russian Academy of Sciences, Leninsky prosp. 53, Moscow, 119991, Russian Federation
f Tel-Aviv University, Raymond and Beverly Sackler School of Physics and Astronomy, Tel-Aviv, Israel

The review discusses the physical program of a new experiment at the Super Charm-Tau factory, the basis of which will be a powerful electron—positron collider with a luminosity of ∼1035cm-2s-1 and an energy in the center of mass system in the range from 3 to 5 GeV. A modern detector located around the beam collision point will provide a new level of measurement accuracy. The longitudinal polarization of the electron beam, along with record luminosity, will allow the unique experiment to successfully compete with the existing Super B-factories Belle II and LHCb. The extensive physical program includes the study of the properties and measurement of physical parameters of charmed hadrons, the τ-lepton, the charmonium, and exotic states, as well as the study of the production of light hadrons in e+e--annihilation and in two-photon processes. In addition to testing the Standard Model and precisely measuring its parameters, a comprehensive search for New Physics beyond its boundaries is planned.

Fulltext pdf (1.3 MB)
Fulltext is also available at DOI: 10.3367/UFNe.2023.10.039583
Keywords: e+e--collider, polarized beams, quantum chromodynamics, τ-lepton, physics of charmed hadrons, New Physics
PACS: 12.38.−t, 12.60.−i, 29.20.db (all)
DOI: 10.3367/UFNe.2023.10.039583
URL: https://ufn.ru/en/articles/2024/1/e/
001198734600006
2-s2.0-85186625446
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Citation: Achasov M N, Blinov V E, Bobrov A V, Bodrov D A, Bondar’ A E, Vorobiev V S, Gorbunov D S, Druzhinin V P, Epifanov D A, Kuzmin A S, Logashenko I B, Matvienko D V, Nefediev A V, Pakhlov P N, Pakhlova G V, Popov V E, Uglov T V "Experiments at the Super Charm-Tau factory" Phys. Usp. 67 55–70 (2024)
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Received: 11th, April 2023, revised: 22nd, October 2023, 26th, October 2023

:   ,   ,   ,   ,   ,   ,   ,   ,   ,   C,   ,   ,   ,   ,   ,   ,    « - » 194 60–76 (2024); DOI: 10.3367/UFNr.2023.10.039583

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