Longitudinal double-spin asymmetry $A_1^{\rm p}$ and spin-dependent structure function $g_1^{\rm p}$ of the proton at small values of $x$ and $Q^2$

• Author(s): COMPASS collaboration (226 authors) ; Bordalo, P. ; Franco, C. ; Nunes, A.S. ; Quaresma, M. ; Quintans, C. ; Ramos, S. ; Silva, L. ; Stolarski, M.
• Date: 2018
• Origin: Laboratório de Instrumentação e Física Experimental de Partículas
• Document Type: Journal article
• Language: English
• Contributor(s): Repositório Comum

Description

We present a precise measurement of the proton longitudinal double-spin asymmetry A1p and the proton spin-dependent structure function g1p at photon virtualities 0.006(GeV/c)2