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Table 9 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 |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.

From: Exclusive ρ0 production in deep inelastic scattering at HERA

Q2 bin (GeV2) Q2 (GeV2) W bin (GeV) |t| (GeV2) r 00 04 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabdkhaYnaaDaaaleaacqaIWaamcqaIWaamaeaacqaIWaamcqaI0aanaaaaaa@304F@ R = σ L /σ T
2–5 3.0 32–120 0.04 0.62 ± 0.01 0.02 + 0.02 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabikdaYiabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaaaaaa@3DB1@ 1.63 0.06 0.13 + 0.07 + 0.15 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiAda2iabiodaZmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI2aGncqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaIZaWmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI3aWncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI1aqnaaaaaa@42F6@
2–5 3.0 32–120 0.14 0.62 ± 0.01 0.03 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabikdaYiabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DB1@ 1.63 0.09 0.19 + 0.09 + 0.10 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiAda2iabiodaZmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI5aqocqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI5aqoaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI5aqocqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaIWaamaaaaaa@4302@
2–5 3.0 32–120 0.27 0.63 ± 0.01 0.02 + 0.04 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabiodaZiabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI0aanaaaaaa@3DB7@ 1.70 0.11 0.14 + 0.11 + 0.24 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiEda3iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaIXaqmcqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI0aanaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaIXaqmcqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI0aanaaaaaa@42E2@
2–5 3.0 32–120 0.45 0.64 ± 0.02 0.03 + 0.02 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabisda0iabgglaXkabicdaWiabc6caUiabicdaWiabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaaaaaa@3DB9@ 1.78 0.13 0.21 + 0.14 + 0.16 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiEda3iabiIda4maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaIZaWmcqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaIXaqmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI0aancqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI2aGnaaaaaa@42FA@
2–5 3.0 32–120 0.76 0.63 ± 0.03 0.05 + 0.07 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiAda2iabiodaZiabgglaXkabicdaWiabc6caUiabicdaWiabiodaZmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI1aqnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaI3aWnaaaaaa@3DC7@ 1.70 0.22 0.32 + 0.26 + 0.63 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabigdaXiabc6caUiabiEda3iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaIYaGmcqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIZaWmcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI2aGncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaI2aGncqaIZaWmaaaaaa@42F8@
5–50 10.0 40–160 0.04 0.74 ± 0.01 0.01 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabisda0iabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DB3@ 2.84 0.17 0.15 + 0.18 + 0.16 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabikdaYiabc6caUiabiIda4iabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI3aWncqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIXaqmcqaI1aqnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI4aaocqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI2aGnaaaaaa@430C@
5–50 10.0 40–160 0.15 0.75 ± 0.01 0.02 + 0.01 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiwda1iabgglaXkabicdaWiabc6caUiabicdaWiabigdaXmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIXaqmaaaaaa@3DB7@ 3.00 0.23 0.30 + 0.26 + 0.17 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabiodaZiabc6caUiabicdaWiabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaIZaWmcqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIZaWmcqaIWaamaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI2aGncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIXaqmcqaI3aWnaaaaaa@42EA@
5–50 10.0 40–160 0.27 0.74 ± 0.02 0.04 + 0.02 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabisda0iabgglaXkabicdaWiabc6caUiabicdaWiabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI0aanaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaaaaaa@3DBD@ 2.84 0.24 0.51 + 0.26 + 0.32 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabikdaYiabc6caUiabiIda4iabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI0aancqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaI1aqncqaIXaqmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI2aGncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaIZaWmcqaIYaGmaaaaaa@4302@
5–50 10.0 40–160 0.45 0.72 ± 0.02 0.02 + 0.03 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabikdaYiabgglaXkabicdaWiabc6caUiabicdaWiabikdaYmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaaaaa@3DB7@ 2.57 0.25 0.22 + 0.29 + 0.41 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabikdaYiabc6caUiabiwda1iabiEda3maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaI1aqncqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaIYaGmcqaIYaGmaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIYaGmcqaI5aqocqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaI0aancqaIXaqmaaaaaa@4306@
5–50 10.0 40–160 0.76 0.73 ± 0.04 0.05 + 0.03 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabicdaWiabc6caUiabiEda3iabiodaZiabgglaXkabicdaWiabc6caUiabicdaWiabisda0maaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaIWaamcqaI1aqnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaIWaamcqaIZaWmaaaaaa@3DC3@ 2.70 0.43 0.57 + 0.56 + 0.45 MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8bkY=wiFfYlOipiY=Hhbbf9v8qqaqFr0xc9vqpe0di9q8qqpG0dHiVcFbIOFHK8Feei0lXdar=Jb9qqFfeaYRXxe9vr0=vr0=LqpWqaaeaabiGaaiaacaqabeaabeqacmaaaOqaaiabikdaYiabc6caUiabiEda3iabicdaWmaaDaaaleaacqGHsislcqaIWaamcqGGUaGlcqaI0aancqaIZaWmcqqGGaaicqGHsislcqaIWaamcqGGUaGlcqaI1aqncqaI3aWnaeaacqGHRaWkcqaIWaamcqGGUaGlcqaI1aqncqaI2aGncqqGGaaicqGHRaWkcqaIWaamcqGGUaGlcqaI0aancqaI1aqnaaaaaa@4314@