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Table 7 The spin matrix element r 00 04 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabdkhaYnaaDaaaleaacqaIWaamcqaIWaamaeaacqaIWaamcqaI0aanaaaaaa@304F@ and the ratio of cross sections for longitudinally and transversely polarised photons, R = σ L /σ T , as a function of Q2, averaged over the Q2 and W bins given in the table. The first uncertainty is statistical, the second systematic.

From: Exclusive ρ0 production in deep inelastic scattering at HERA

Q2 bin (GeV2) Q2 (GeV2) W bin (GeV) r 00 04 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabdkhaYnaaDaaaleaacqaIWaamcqaIWaamaeaacqaIWaamcqaI0aanaaaaaa@304F@ R = σ L /σ T
2–3 2.4 32–120 0.60 ± 0.01 0.03 + 0.03 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabicdaWiabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaaaaa@3DB1@ 1.50 0.05 0.15 + 0.05 + 0.20 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiwda1iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI1aqncqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI1aqnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI1aqncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaIWaamaaaaaa@42E4@
3–5 3.7 32–120 0.68 ± 0.01 0.02 + 0.02 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabiIda4iabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaaaaaa@3DBD@ 2.10 0.08 0.14 + 0.08 + 0.18 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabikdaYiabc6caUiabigdaXiabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI4aaocqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI0aanaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI4aaocqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI4aaoaaaaaa@42F6@
5–7 5.9 40–140 0.73 ± 0.01 0.02 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiodaZiabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DB3@ 2.70 0.13 0.28 + 0.14 + 0.26 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabikdaYiabc6caUiabiEda3iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaIZaWmcqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI4aaoaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI0aancqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI2aGnaaaaaa@42FC@
7–10 8.3 40–140 0.76 ± 0.01 0.02 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiAda2iabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DB9@ 3.20 0.18 0.27 + 0.20 + 0.25 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabiodaZiabc6caUiabikdaYiabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI4aaocqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI3aWnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaIWaamcqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI1aqnaaaaaa@42F4@
10–15 12.0 40–140 0.78 ± 0.01 0.01 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiIda4iabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DBB@ 3.50 0.24 0.26 + 0.26 + 0.30 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabiodaZiabc6caUiabiwda1iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI0aancqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI2aGnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI2aGncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIZaWmcqaIWaamaaaaaa@42F6@
15–30 19.5 40–140 0.82 ± 0.02 0.02 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiIda4iabikdaYiabgglaXkabicdaWiabc6caUiabicdaWiabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DB5@ 4.60 0.45 0.44 + 0.54 + 0.48 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabisda0iabc6caUiabiAda2iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI0aancqaI1aqncqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaI0aancqaI0aanaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI1aqncqaI0aancqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaI0aancqaI4aaoaaaaaa@4314@
30–100 40.5 40–160 0.86 ± 0.04 0.02 + 0.03 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiIda4iabiAda2iabgglaXkabicdaWiabc6caUiabicdaWiabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaaaaa@3DC5@ 6.10 1.56 0.85 + 2.75 + 2.15 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabiAda2iabc6caUiabigdaXiabicdaWmaaDaaaleaacqGHsislcqaIXaqmcqGGUaGlcqaI1aqncqaI2aGncqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaI4aaocqaI1aqnaeaacqGHRaWkcqaIYaGmcqGGUaGlcqaI3aWncqaI1aqncqqGGaaicqGHRaWkcqaIYaGmcqGGUaGlcqaIXaqmcqaI1aqnaaaaaa@4320@