11-16 July 2022
Europe/Moscow timezone
For authors of online talks: we will send videoconference links 1 day before the session to e-mail addresses specified in the Registration form

Data on the np-scattering length from the nd-breakup reaction at low energies

15 Jul 2022, 18:10
20m
Физический ф-т, ЦФА

Физический ф-т, ЦФА

Oral talk (15 min + 5 min questions) Experimental and theoretical studies of nuclear reactions

Speaker

Aleksandr Kasparov (INR RAS)

Description

A kinematically complete experiment to determine the $np$-scattering length in the $n + d → (np) + n$ reaction on the neutron beam of the RADEX channel of the INR RAS was carried out. In the experiment a recoil neutron as well as a neutron from the breakup of the $np$ system was registered. The primary neutron energy and the proton energy from the breakup of the $np$ system was reconstructed from the known emission angles and energies of two neutrons and the fact that a breakup proton was detected in an active deuterated target. The experiment was carried out at low neutron energies $8 - 13$ MeV. The value of the $np$-scattering length was obtained by a comparison of the experimental dependence of the $nd$-breakup reaction yield on the relative energy of the $np$ pair with the simulation results. The obtained value of the $np$-scattering length differs significantly from the value obtained in direct $np$-scattering and can be associated with a significant influence of $3N$-forces.

The speaker is a student or young scientist Yes
Section 2. Experimental and theoretical studies of nuclear reactions

Primary author

Aleksandr Kasparov (INR RAS)

Co-authors

Dr Mikhail Mordovskoy (INR RAS) Stanislav Potashev (Institute for Nuclear Research of Russian Academy of Sciences) Mr Alexey Afonin (INR RAS) Viacheslav Mitcuk (INR RAS)

Presentation Materials