MEASUREMENT OF THE ANALYZING POWER OF 𝑝𝑝 AND 𝑝𝑝 ELASTIC SCATTERING AT THE SPASCHARM FACILITY AT U-70

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Abstract

The study of spin effects in elastic proton-proton and antiproton-proton scattering in the SPASCHARM experiment at U-70 accelerator facility (NRC “Kurchatov institute” – IHEP, Protvino) is discussed. Polarized beams or a polarized target of the experiment will be used to measure the analyzing power 𝐴𝑁 of elastic scattering of protons and antiprotons. The possibility of using two different types of the detectors to register recoil particles of elastic scattering of protons is analyzed. In the first case, it is proposed to use scintillation counters, the second option is a detector based on proportional chambers. A comparison of the registration efficiency of elastic 𝑝𝑝-scattering for two configurations of the experimental setup is carried out, and the required measurement time is determined.

About the authors

A. A. Bogdanov

National Research Nuclear University “MEPhI”; School of Cooperation

Email: bogdanov411@mail.ru
Moscow, Russia; Moscow, Russia

V. P. Ladygin

Joint Institute for Nuclear Research

Dubna, Russia

V. V. Moiseev

NRC “Kurchatov institute” – IHEP

Protvino, Russia

V. V. Mochalov

National Research Nuclear University “MEPhI”; NRC “Kurchatov institute” – IHEP

Moscow, Russia; Protvino, Russia

M. B. Nurusheva

National Research Nuclear University “MEPhI”

Moscow, Russia

P. A. Semenov

National Research Nuclear University “MEPhI”; NRC “Kurchatov institute” – IHEP

Moscow, Russia; Protvino, Russia

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