Gluon-spin contribution to the proton spin from the double helicity asymmetry in inclusive pi0 production in polarized p + p collisions at s**(1/2) = 200 GeV

ADARE, A., AFANASIEV, S., AIDALA, C., RŮŽIČKA, P., TOMÁŠEK, L., VRBA, V. Gluon-spin contribution to the proton spin from the double helicity asymmetry in inclusive pi0 production in polarized p + p collisions at s**(1/2) = 200 GeV. Physical Review Letters. 2009, 103(1), 012003/1-012003/4. ISSN 0031-9007. E-ISSN 1079-7114. Available: doi: 10.1103/PhysRevLett.103.012003.