Coherent 𝜋0⁢𝜋0 photoproduction on the deuteron in the region of 𝑑*⁡(2380)

Coherent 𝜋0⁢𝜋0 photoproduction on the deuteron in the region of 𝑑*⁡(2380)

Manylion Llyfryddiaeth
Parent link:	Physical Review C.— .— New York: American Physical Society Vol. 110, iss. 6.— 2024.— Article number 064603, 13 p.
Prif Awdur:	Fiks (Fix) A. I. Alexander Ivanovich
Crynodeb:	Title screen A possible signature of the 𝑑⁡(2380) dibaryon in the reaction 𝛾⁢𝑑→𝜋0⁢𝜋0⁢𝑑 is explored. To calculate the conventional coherent 𝜋0⁢𝜋0 photoproduction on a deuteron, the 2⁢𝜋⁢MAID model has been updated by fitting its parameters to the set of the modern 𝛾⁢𝑁→𝜋⁢𝜋⁢𝑁 data. Besides the Born and the resonance terms the new model includes additional background in the partial waves with the spin-parity 𝐽𝜋=32± and isospin 𝐼=12. The radiative 𝑑→𝛾⁢𝑑 width and the contribution of the 𝑑⁡(2380) component to the 𝛾⁢𝑑→𝜋0⁢𝜋0⁢𝑑 amplitude are evaluated by comparing the resulting theoretical cross section with the data. The sensitivity of some polarization observables to the 𝑑⁡(2380) contribution is investigated Текстовый файл AM_Agreement
Iaith:	Saesneg
Cyhoeddwyd:	2024
Pynciau:	электронный ресурс труды учёных ТПУ
Mynediad Ar-lein:	https://doi.org/10.1103/PhysRevC.110.064603
Fformat:	Electronig Pennod Llyfr
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=678497

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