Exclusive ρ0 production in deep inelastic scattering at HERA

doi:10.1186/1754-0410-1-6

Table 1 Spin density matrix elements for electroproduction of ρ⁰, for different intervals of Q². The first uncertainty is statistical, the second systematic.

From: Exclusive ρ⁰ production in deep inelastic scattering at HERA

Element	2 <Q² < 3 GeV²	3 <Q² < 4 GeV²	4 <Q² < 6 GeV²	6 <Q² < 10 GeV²	10 <Q² < 100 GeV²
$r_{00}^{04}$	$0.590 \pm {0.006}_{- 0.010}^{+ 0.012}$	$0.659 \pm {0.008}_{- 0.015}^{+ 0.009}$	$0.725 \pm {0.008}_{- 0.008}^{+ 0.014}$	$0.752 \pm {0.008}_{- 0.008}^{+ 0.011}$	$0.814 \pm {0.010}_{- 0.019}^{+ 0.008}$
Re( $r_{10}^{04}$ )	$0.024 \pm {0.005}_{- 0.009}^{+ 0.003}$	$0.025 \pm {0.007}_{- 0.009}^{+ 0.008}$	$0.007 \pm {0.007}_{- 0.017}^{+ 0.004}$	$0.014 \pm {0.007}_{- 0.010}^{+ 0.005}$	$0.014 \pm {0.009}_{- 0.007}^{+ 0.016}$
$r_{1 - 1}^{04}$	$- 0.009 \pm {0.007}_{- 0.012}^{+ 0.008}$	$- 0.010 \pm {0.008}_{- 0.016}^{+ 0.006}$	$0.000 \pm {0.007}_{- 0.006}^{+ 0.015}$	$- 0.016 \pm {0.007}_{- 0.004}^{+ 0.018}$	$- 0.001 \pm {0.010}_{- 0.006}^{+ 0.021}$
$r_{11}^{1}$	$- 0.008 \pm {0.007}_{- 0.019}^{+ 0.006}$	$- 0.023 \pm {0.008}_{- 0.016}^{+ 0.008}$	$- 0.015 \pm {0.008}_{- 0.019}^{+ 0.010}$	$- 0.032 \pm {0.008}_{- 0.001}^{+ 0.017}$	$- 0.002 \pm {0.011}_{- 0.020}^{+ 0.008}$
$r_{00}^{1}$	$- 0.037 \pm {0.019}_{- 0.014}^{+ 0.047}$	$- 0.014 \pm {0.026}_{- 0.015}^{+ 0.046}$	$0.020 \pm {0.028}_{- 0.013}^{+ 0.072}$	$0.019 \pm {0.030}_{- 0.060}^{+ 0.008}$	$- 0.018 \pm {0.042}_{- 0.034}^{+ 0.053}$
Re( $r_{10}^{1}$ )	$- 0.032 \pm {0.007}_{- 0.004}^{+ 0.018}$	$- 0.023 \pm {0.010}_{- 0.024}^{+ 0.008}$	$- 0.016 \pm {0.009}_{- 0.013}^{+ 0.018}$	$- 0.006 \pm {0.011}_{- 0.030}^{+ 0.003}$	$- 0.042 \pm {0.016}_{- 0.009}^{+ 0.029}$
$r_{1 - 1}^{1}$	$0.195 \pm {0.009}_{- 0.019}^{+ 0.012}$	$0.151 \pm {0.011}_{- 0.011}^{+ 0.014}$	$0.121 \pm {0.011}_{- 0.011}^{+ 0.016}$	$0.095 \pm {0.011}_{- 0.029}^{+ 0.006}$	$0.100 \pm {0.016}_{- 0.032}^{+ 0.023}$
Im( $r_{10}^{2}$ )	$0.040 \pm {0.007}_{- 0.020}^{+ 0.010}$	$0.024 \pm {0.009}_{- 0.020}^{+ 0.005}$	$0.029 \pm {0.009}_{- 0.011}^{+ 0.012}$	$0.031 \pm {0.009}_{- 0.012}^{+ 0.016}$	$0.026 \pm {0.015}_{- 0.005}^{+ 0.028}$
Im( $r_{1 - 1}^{2}$ )	$- 0.186 \pm {0.009}_{- 0.024}^{+ 0.009}$	$- 0.148 \pm {0.011}_{- 0.015}^{+ 0.019}$	$- 0.124 \pm {0.012}_{- 0.013}^{+ 0.029}$	$- 0.107 \pm {0.011}_{- 0.027}^{+ 0.004}$	$- 0.052 \pm {0.016}_{- 0.012}^{+ 0.039}$
$r_{11}^{5}$	$0.018 \pm {0.003}_{- 0.005}^{+ 0.004}$	$0.018 \pm {0.004}_{- 0.004}^{+ 0.006}$	$0.007 \pm {0.003}_{- 0.007}^{+ 0.005}$	$0.018 \pm {0.004}_{- 0.002}^{+ 0.005}$	$0.004 \pm {0.005}_{- 0.003}^{+ 0.007}$
$r_{00}^{5}$	$0.085 \pm {0.009}_{- 0.015}^{+ 0.007}$	$0.089 \pm {0.013}_{- 0.016}^{+ 0.019}$	$0.106 \pm {0.013}_{- 0.016}^{+ 0.010}$	$0.093 \pm {0.013}_{- 0.010}^{+ 0.013}$	$0.168 \pm {0.018}_{- 0.020}^{+ 0.011}$
Re( $r_{10}^{5}$ )	$0.167 \pm {0.003}_{- 0.003}^{+ 0.007}$	$0.164 \pm {0.004}_{- 0.006}^{+ 0.005}$	$0.143 \pm {0.005}_{- 0.013}^{+ 0.004}$	$0.132 \pm {0.005}_{- 0.003}^{+ 0.004}$	$0.110 \pm {0.007}_{- 0.008}^{+ 0.011}$
$r_{1 - 1}^{5}$	$0.000 \pm {0.005}_{- 0.008}^{+ 0.006}$	$- 0.006 \pm {0.006}_{- 0.006}^{+ 0.009}$	$0.001 \pm {0.005}_{- 0.003}^{+ 0.009}$	$0.000 \pm {0.006}_{- 0.003}^{+ 0.018}$	$0.001 \pm {0.007}_{- 0.002}^{+ 0.011}$
Im( $r_{10}^{6}$ )	$- 0.157 \pm {0.003}_{- 0.004}^{+ 0.006}$	$- 0.147 \pm {0.004}_{- 0.007}^{+ 0.004}$	$- 0.145 \pm {0.004}_{- 0.009}^{+ 0.003}$	$- 0.135 \pm {0.004}_{- 0.003}^{+ 0.007}$	$- 0.125 \pm {0.006}_{- 0.002}^{+ 0.012}$
Im( $r_{1 - 1}^{6}$ )	$0.010 \pm {0.005}_{- 0.013}^{+ 0.004}$	$- 0.005 \pm {0.005}_{- 0.005}^{+ 0.008}$	$- 0.001 \pm {0.005}_{- 0.017}^{+ 0.005}$	$0.008 \pm {0.005}_{- 0.006}^{+ 0.003}$	$- 0.002 \pm {0.007}_{- 0.007}^{+ 0.005}$

Back to article page

PMC Physics A