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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2023 Volume 118, Issue 11, Pages 787–793 (Mi jetpl7095)

FIELDS, PARTICLES, AND NUCLEI

Effect of $T$-invariance violation in scattering of polarized $^3$He nuclei on tensor-polarized deuterons

Yu. N. Uzikovabc, M. N. Platonovadc

a Dubna State University, Dubna, Moscow region, 141980 Russia
b Faculty of Physics, Moscow State University, Moscow, 119991 Russia
c Dzhelepov Laboratory of Nuclear Problems, Joint Institute for Nuclear Research, Dubna, Moscow region, 141980 Russia
d Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119991 Russia

Abstract: In the interaction of a transversely polarized nuclear beam with a tensor-polarized deuteron target, a nonzero value of the component of the total cross section corresponding to this combination of polarizations is an unambiguous signal of $T$-invariance violation while $P$-parity is preserved. The method developed earlier for calculating this component of the total cross section for $pd$ scattering based on the Glauber theory has been generalized by us to the case of $^3$He$d$ scattering, and its energy dependence in the range of beam energies 0.1–1 GeV/nucleon has been calculated. It is found that in $^3$He$d$ collisions, in contrast to $pd$ scattering, the contribution of only one type of $T$-violating nucleon-nucleon forces dominates, which is essential for extraction of the unknown constant of this interaction from the corresponding data.

Received: 05.10.2023
Revised: 26.10.2023
Accepted: 27.10.2023

DOI: 10.31857/S1234567823230015


 English version:
Journal of Experimental and Theoretical Physics Letters, 2023, 118:11, 785–791


© Steklov Math. Inst. of RAS, 2024