PEPSI-pdf

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Table 1: Polarised parton distributions
LST(15) Polarised parton distribution function
101 Schaefer, Phys. Lett. B 208,2 (1988) 175 for comparison with older PEPSI versions
102 free
103 free
104 Schaefer et al hep-ph/9505306 using Glueck et al. Z. Phys. C 53 (1992) 127
105 Bartelski et al hep-ph/9502271 Set II(p,n)
106 Bartelski et al hep-ph/9502271 Set II(P,n)
107 Gehrmann hep-ph/9512406 Gluon A (NLO) + DGLAP
108 Gehrmann hep-ph/9512406 Gluon A (NLO) + DGLAP
109 Gehrmann hep-ph/9512406 Gluon A (NLO) + DGLAP
110 Gehrmann et al hep-ph/9512406 Gluon A (LO)
111 Gehrmann et al hep-ph/9512406 Gluon B (LO)
112 Gehrmann et al hep-ph/9512406 Gluon C (LO)
113 Gehrmann et al hep-ph/9512406 Gluon A (LO) + (DGLAP)
114 Gehrmann et al hep-ph/9512406 Gluon B (LO) + (DGLAP)
115 Gehrmann et al hep-ph/9512406 Gluon C (LO) + (DGLAP)
116 M. Glueck, E. Reya, M. Stratmann and W. Vogelsang, DO-TH 95/13, RAL-TR-95-042 'standard' scenario, next-to-leading order
117 M. Glueck, E. Reya, M. Stratmann and W. Vogelsang, DO-TH 95/13, RAL-TR-95-042 'valence' scenario, next-to-leading order
118 M. Glueck, E. Reya, M. Stratmann and W. Vogelsang, DO-TH 95/13, RAL-TR-95-042 'standard' scenario, leading order
119 M. Glueck, E. Reya, M. Stratmann and W. Vogelsang, DO-TH 95/13, RAL-TR-95-042 'valence' scenario, leading order
120 Stanley J.Brodsky Nucl.Phys. B441(1995)
121 S.Keler & J.F.Owens Phys.Lett. B266(1991) & Phys.Rev. D19(1994)1199
124 D. de Florian et al., hep-ph/9711440 LO set 1
125 D. de Florian et al., hep-ph/9711440 LO set 2
126 D. de Florian et al., hep-ph/9711440 LO set 3
127 D. de Florian et al., hep-ph/9711440 NLO set 1
128 D. de Florian et al., hep-ph/9711440 NLO set 2
129 D. de Florian et al., hep-ph/9711440 NLO set 3
130 Fake sample: unpolarized Gehrmann et al hep-ph/9512406 with Delta u(x) = 0.5 * u(x) and Delta d(x) = 0.
131 Fake sample: unpolarized Gehrmann et al hep-ph/9512406 with Delta d(x) = 0.5 * d(x) and Delta u(x) = 0.
132 fit routine. (Is outside the official code.)
133 CTEQ4LQ . UNPOL: Low Q2 parametrization is the only one used here. POL: BOGUS, du=0.5* u(x) dd=-0.3*d(x) 0.0 all else
137 MRS low Q2
144 grsv2000 hep-ph/0011215 LO standard scenario
145 grsv2000 hep-ph/0011215 LO valence scenario
146 grsv2000 hep-ph/0011215 NLO standard scenario
147 grsv2000 hep-ph/0011215 NLO valence scenario

Table 2: Unpolarised parton distributions
150 cteq5l LO
151 cteq5m NLO MSBAR
152 cteq5m1 NLO MSBAR (update)
161 mrs99 cor01 central gluon, a_s
162 mrs99 cor02 higher gluon
163 mrs99 cor03 lower gluon
164 mrs99 cor04 lower a_s
165 mrs99 cor05 higher a_s
166 mrs99 cor06 quarks up
167 mrs99 cor07 quarks down
168 mrs99 cor08 strange up
169 mrs99 cor09 strange down
170 mrs99 cor10 charm up
171 mrs99 cor11 charm down
172 mrs99 cor12 larger d/u
173 cteq6l LO
174 cteq6d DIS NLO
175 cteq6m NLO MSBAR