Signatures of the d∗(2380) Hexaquark in d(γ,p→n); Physical Review Letters; Vol. 124, iss. 13

Dades bibliogràfiques
Parent link:Physical Review Letters: Scientific Journal.— , 1958-
Vol. 124, iss. 13.— 2020.— [132001, 6 p.]
Autor corporatiu: Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Altres autors: Bashkanov M., Watts D. P., Kay S. J. D., Abt S. Federico, Fiks (Fix) A. I. Alexander Ivanovich
Sumari:Title screen
We report a measurement of the spin polarization of the recoiling neutron in deuterium photodisintegration, utilizing a new large acceptance polarimeter within the Crystal Ball at MAMI. The measured photon energy range of 300-700 MeV provides the first measurement of recoil neutron polarization at photon energies where the quark substructure of the deuteron plays a role, thereby providing important new constraints on photodisintegration mechanisms. A very high neutron polarization in a narrow structure centered around Eγ∼570  MeV is observed, which is inconsistent with current theoretical predictions employing nucleon resonance degrees of freedom. A Legendre polynomial decomposition suggests this behavior could be related to the excitation of the d∗(2380) hexaquark.
Режим доступа: по договору с организацией-держателем ресурса
Idioma:anglès
Publicat: 2020
Matèries:
Accés en línia:https://doi.org/10.1103/PhysRevLett.124.132001
Format: Electrònic Capítol de llibre
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=662156

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