Table 9

The spin matrix element and the ratio of cross sections for longitudinally and transversely polarised photons, R = σ_L/σ_T, as a function of |t| for two values of Q², averaged over the Q² and W bins given in the table. The first uncertainty is statistical, the second systematic.

Q² bin (GeV²)

Q² (GeV²)

W bin (GeV)

|t| (GeV²)

R = σ_L/σ_T

2–5

3.0

32–120

0.04

2–5

3.0

32–120

0.14

2–5

3.0

32–120

0.27

2–5

3.0

32–120

0.45

2–5

3.0

32–120

0.76

5–50

10.0

40–160

0.04

5–50

10.0

40–160

0.15

5–50

10.0

40–160

0.27

5–50

10.0

40–160

0.45

5–50

10.0

40–160

0.76

ZEUS Collaboration PMC Physics A 2007 1:6   doi:10.1186/1754-0410-1-6