diff --git a/flavio/data/parameters_correlated.yml b/flavio/data/parameters_correlated.yml
index 0b06edfa..38027746 100644
--- a/flavio/data/parameters_correlated.yml
+++ b/flavio/data/parameters_correlated.yml
@@ -490,3 +490,64 @@
     - D->K BSZ a2_fT: -8.2437 ± 3.1431
   correlation:
     [[1.0, 0.673, 0.23], [0.673, 1.0, 0.764], [0.23, 0.764, 1.0]]
+
+# Lambdab->Lambda(1520) lattice QCD form factors
+- values:
+    - Lambdab->Lambda(1520) fplus F: 0.0432 ± 0.0064
+    - Lambdab->Lambda(1520) fplus A: 1.63 ± 0.19
+    - Lambdab->Lambda(1520) f0 F: 3.54 ± 0.29
+    - Lambdab->Lambda(1520) f0 A: -14.7 ± 3.3
+    - Lambdab->Lambda(1520) fperp F: -0.068 ± 0.018
+    - Lambdab->Lambda(1520) fperp A: 2.49 ± 0.35
+    - Lambdab->Lambda(1520) fperpPrim F: 0.0461 ± 0.0018
+    - Lambdab->Lambda(1520) fperpPrim A: -0.161 ± 0.027
+    - Lambdab->Lambda(1520) gplus F: 2.95 ± 0.25
+    - Lambdab->Lambda(1520) gplus A: -12.2 ± 2.9
+    - Lambdab->Lambda(1520) g0 F: 0.0024 ± 0.0038
+    - Lambdab->Lambda(1520) g0 A: 1.58 ± 0.17
+    - Lambdab->Lambda(1520) gperp F: 2.92 ± 0.24
+    - Lambdab->Lambda(1520) gperp A: -11.8 ± 2.8
+    - Lambdab->Lambda(1520) gperpPrim F: -0.037 ± 0.014
+    - Lambdab->Lambda(1520) gperpPrim A: 0.09 ± 0.25
+    - Lambdab->Lambda(1520) hplus F: -0.095 ± 0.019
+    - Lambdab->Lambda(1520) hplus A: 2.38 ± 0.32
+    - Lambdab->Lambda(1520) hperp F: 0.0170 ± 0.0043
+    - Lambdab->Lambda(1520) hperp A: 1.49 ± 0.16
+    - Lambdab->Lambda(1520) hperpPrim F: -0.0196 ± 0.0013
+    - Lambdab->Lambda(1520) hperpPrim A: 0.038 ± 0.011
+    - Lambdab->Lambda(1520) hTplus F: 2.90 ± 0.24
+    - Lambdab->Lambda(1520) hTplus A: -12.0 ± 2.9
+    - Lambdab->Lambda(1520) hTperp F: 3.01 ± 0.25
+    - Lambdab->Lambda(1520) hTperp A: -12.2 ± 2.8
+    - Lambdab->Lambda(1520) hTperpPrim F: 0.144 ± 0.024
+    - Lambdab->Lambda(1520) hTperpPrim A: -0.74 ± 0.37
+  correlation:
+    [[1.0, 0.108, 0.478, -0.19, 0.277, 0.201, 0.129, -0.025, 0.474, -0.174, 0.356, 0.255, 0.441, -0.176, -0.179, 0.03, 0.306, 0.181, 0.892, 0.172, -0.114, 0.013, 0.446, -0.176, 0.467, -0.177, 0.123, -0.067],
+    [0.108, 1.0, 0.712, -0.334, 0.053, 0.694, 0.233, -0.004, 0.715, -0.34, 0.06, 0.942, 0.701, -0.337, 0.022, -0.081, 0.06, 0.676, 0.034, 0.977, -0.119, 0.11, 0.707, -0.33, 0.711, -0.338, 0.197, -0.185],
+    [0.478, 0.712, 1.0, -0.6, 0.013, 0.6, 0.347, -0.064, 0.987, -0.591, 0.15, 0.745, 0.99, -0.599, -0.032, -0.126, 0.007, 0.574, 0.388, 0.734, -0.249, 0.187, 0.988, -0.589, 0.992, -0.596, 0.282, -0.25],
+    [-0.19, -0.334, -0.6, 1.0, 0.027, -0.514, -0.022, 0.616, -0.599, 0.99, -0.075, -0.412, -0.609, 0.99, -0.095, 0.21, 0.019, -0.522, -0.197, -0.367, 0.06, -0.643, -0.604, 0.989, -0.597, 0.992, -0.287, 0.529],
+    [0.277, 0.053, 0.013, 0.027, 1.0, -0.067, -0.245, 0.011, 0.014, 0.038, 0.28, 0.103, -0.01, 0.043, 0.249, -0.077, 0.964, -0.045, 0.128, 0.11, 0.273, -0.03, -0.013, 0.039, 0.014, 0.039, -0.151, 0.015],
+    [0.201, 0.694, 0.6, -0.514, -0.067, 1.0, 0.194, -0.31, 0.595, -0.497, 0.024, 0.746, 0.586, -0.506, 0.003, -0.117, -0.035, 0.981, 0.133, 0.724, -0.27, 0.303, 0.591, -0.501, 0.585, -0.501, 0.286, -0.299],
+    [0.129, 0.233, 0.347, -0.022, -0.245, 0.194, 1.0, 0.038, 0.321, -0.019, -0.04, 0.216, 0.329, -0.021, -0.059, 0.017, -0.275, 0.175, 0.062, 0.228, -0.423, -0.057, 0.331, -0.015, 0.33, -0.02, 0.186, 0.018],
+    [-0.025, -0.004, -0.064, 0.616, 0.011, -0.31, 0.038, 1.0, -0.056, 0.601, 0.049, -0.096, -0.069, 0.594, -0.118, 0.182, -0.009, -0.354, -0.009, -0.057, 0.013, -0.739, -0.064, 0.599, -0.062, 0.606, -0.245, 0.558],
+    [0.474, 0.715, 0.987, -0.599, 0.014, 0.595, 0.321, -0.056, 1.0, -0.604, 0.157, 0.765, 0.989, -0.604, -0.044, -0.121, 0.008, 0.568, 0.398, 0.744, -0.238, 0.179, 0.994, -0.597, 0.993, -0.603, 0.288, -0.25],
+    [-0.174, -0.34, -0.591, 0.99, 0.038, -0.497, -0.019, 0.601, -0.604, 1.0, -0.081, -0.412, -0.608, 0.99, -0.1, 0.216, 0.031, -0.504, -0.19, -0.369, 0.058, -0.639, -0.606, 0.993, -0.598, 0.993, -0.296, 0.535],
+    [0.356, 0.06, 0.15, -0.075, 0.28, 0.024, -0.04, 0.049, 0.157, -0.081, 1.0, 0.009, 0.133, -0.072, 0.015, 0.003, 0.278, 0.029, 0.436, 0.062, 0.104, -0.066, 0.138, -0.073, 0.146, -0.073, 0.007, -0.039],
+    [0.255, 0.942, 0.745, -0.412, 0.103, 0.746, 0.216, -0.096, 0.765, -0.412, 0.009, 1.0, 0.733, -0.407, -0.006, -0.07, 0.117, 0.725, 0.147, 0.974, -0.138, 0.15, 0.743, -0.404, 0.75, -0.411, 0.21, -0.212],
+    [0.441, 0.701, 0.99, -0.609, -0.01, 0.586, 0.329, -0.069, 0.989, -0.608, 0.133, 0.733, 1.0, -0.621, -0.039, -0.128, -0.02, 0.561, 0.368, 0.725, -0.247, 0.2, 0.994, -0.608, 0.997, -0.615, 0.282, -0.254],
+    [-0.176, -0.337, -0.599, 0.99, 0.043, -0.506, -0.021, 0.594, -0.604, 0.99, -0.072, -0.407, -0.621, 1.0, -0.093, 0.207, 0.037, -0.512, -0.191, -0.364, 0.063, -0.635, -0.611, 0.994, -0.605, 0.996, -0.286, 0.517],
+    [-0.179, 0.022, -0.032, -0.095, 0.249, 0.003, -0.059, -0.118, -0.044, -0.1, 0.015, -0.006, -0.039, -0.093, 1.0, -0.721, 0.229, 0.005, -0.261, 0.023, 0.025, 0.007, -0.047, -0.097, -0.036, -0.096, 0.279, -0.262],
+    [0.03, -0.081, -0.126, 0.21, -0.077, -0.117, 0.017, 0.182, -0.121, 0.216, 0.003, -0.07, -0.128, 0.207, -0.721, 1.0, -0.07, -0.111, 0.056, -0.088, 0.0, -0.122, -0.117, 0.206, -0.13, 0.213, -0.262, 0.406],
+    [0.306, 0.06, 0.007, 0.019, 0.964, -0.035, -0.275, -0.009, 0.008, 0.031, 0.278, 0.117, -0.02, 0.037, 0.229, -0.07, 1.0, -0.031, 0.165, 0.119, 0.298, -0.033, -0.02, 0.033, 0.005, 0.032, -0.144, -0.004],
+    [0.181, 0.676, 0.574, -0.522, -0.045, 0.981, 0.175, -0.354, 0.568, -0.504, 0.029, 0.725, 0.561, -0.512, 0.005, -0.111, -0.031, 1.0, 0.117, 0.704, -0.251, 0.35, 0.567, -0.509, 0.558, -0.508, 0.278, -0.314],
+    [0.892, 0.034, 0.388, -0.197, 0.128, 0.133, 0.062, -0.009, 0.398, -0.19, 0.436, 0.147, 0.368, -0.191, -0.261, 0.056, 0.165, 0.117, 1.0, 0.063, -0.064, 0.011, 0.373, -0.191, 0.388, -0.19, 0.136, -0.094],
+    [0.172, 0.977, 0.734, -0.367, 0.11, 0.724, 0.228, -0.057, 0.744, -0.369, 0.062, 0.974, 0.725, -0.364, 0.023, -0.088, 0.119, 0.704, 0.063, 1.0, -0.12, 0.137, 0.73, -0.358, 0.74, -0.368, 0.193, -0.202],
+    [-0.114, -0.119, -0.249, 0.06, 0.273, -0.27, -0.423, 0.013, -0.238, 0.058, 0.104, -0.138, -0.247, 0.063, 0.025, 0.0, 0.298, -0.251, -0.064, -0.12, 1.0, -0.022, -0.252, 0.065, -0.239, 0.056, -0.52, 0.143],
+    [0.013, 0.11, 0.187, -0.643, -0.03, 0.303, -0.057, -0.739, 0.179, -0.639, -0.066, 0.15, 0.2, -0.635, 0.007, -0.122, -0.033, 0.35, 0.011, 0.137, -0.022, 1.0, 0.19, -0.644, 0.192, -0.643, 0.139, -0.521],
+    [0.446, 0.707, 0.988, -0.604, -0.013, 0.591, 0.331, -0.064, 0.994, -0.606, 0.138, 0.743, 0.994, -0.611, -0.047, -0.117, -0.02, 0.567, 0.373, 0.73, -0.252, 0.19, 1.0, -0.606, 0.992, -0.607, 0.289, -0.25],
+    [-0.176, -0.33, -0.589, 0.989, 0.039, -0.501, -0.015, 0.599, -0.597, 0.993, -0.073, -0.404, -0.608, 0.994, -0.097, 0.206, 0.033, -0.509, -0.191, -0.358, 0.065, -0.644, -0.606, 1.0, -0.593, 0.991, -0.288, 0.522],
+    [0.467, 0.711, 0.992, -0.597, 0.014, 0.585, 0.33, -0.062, 0.993, -0.598, 0.146, 0.75, 0.997, -0.605, -0.036, -0.13, 0.005, 0.558, 0.388, 0.74, -0.239, 0.192, 0.992, -0.593, 1.0, -0.604, 0.282, -0.254],
+    [-0.177, -0.338, -0.596, 0.992, 0.039, -0.501, -0.02, 0.606, -0.603, 0.993, -0.073, -0.411, -0.615, 0.996, -0.096, 0.213, 0.032, -0.508, -0.19, -0.368, 0.056, -0.643, -0.607, 0.991, -0.604, 1.0, -0.289, 0.53],
+    [0.123, 0.197, 0.282, -0.287, -0.151, 0.286, 0.186, -0.245, 0.288, -0.296, 0.007, 0.21, 0.282, -0.286, 0.279, -0.262, -0.144, 0.278, 0.136, 0.193, -0.52, 0.139, 0.289, -0.288, 0.282, -0.289, 1.0, -0.739],
+    [-0.067, -0.185, -0.25, 0.529, 0.015, -0.299, 0.018, 0.558, -0.25, 0.535, -0.039, -0.212, -0.254, 0.517, -0.262, 0.406, -0.004, -0.314, -0.094, -0.202, 0.143, -0.521, -0.25, 0.522, -0.254, 0.53, -0.739, 1.0]]
+
diff --git a/flavio/data/parameters_uncorrelated.yml b/flavio/data/parameters_uncorrelated.yml
index 4a8911dc..ba1ae2a1 100644
--- a/flavio/data/parameters_uncorrelated.yml
+++ b/flavio/data/parameters_uncorrelated.yml
@@ -294,38 +294,6 @@ Lambdab->Lambda(1520) H6 a0: 0.0206
 Lambdab->Lambda(1520) H6 a2: 0.00679
 Lambdab->Lambda(1520) H6 a4: -0.000220
 
-# Form factor values for Lambdab->Lambda(1520)
-Lambdab->Lambda(1520) f0 F: 3.54 ± 0.29
-Lambdab->Lambda(1520) f0 A: -14.7 ± 3.3
-Lambdab->Lambda(1520) fplus F: 0.0432 ± 0.0064
-Lambdab->Lambda(1520) fplus A: 1.63 ± 0.19
-Lambdab->Lambda(1520) fperp F: -0.068 ± 0.018
-Lambdab->Lambda(1520) fperp A: 2.49 ± 0.35
-Lambdab->Lambda(1520) fperpPrim F: 0.0461 ± 0.0018
-Lambdab->Lambda(1520) fperpPrim A: -0.161 ± 0.027
-
-Lambdab->Lambda(1520) g0 F: 0.0024 ± 0.0038
-Lambdab->Lambda(1520) g0 A: 1.58 ± 0.17
-Lambdab->Lambda(1520) gplus F: 2.95 ± 0.25
-Lambdab->Lambda(1520) gplus A: -12.2 ± 2.9
-Lambdab->Lambda(1520) gperp F: 2.92 ± 0.24
-Lambdab->Lambda(1520) gperp A: -11.8 ± 2.8
-Lambdab->Lambda(1520) gperpPrim F: -0.037 ± 0.014
-Lambdab->Lambda(1520) gperpPrim A: 0.09 ± 0.25
-
-Lambdab->Lambda(1520) hplus F: 0.095 ± 0.019 
-Lambdab->Lambda(1520) hplus A: -2.38 ± 0.32
-Lambdab->Lambda(1520) hperp F: -0.0170 ± 0.0043
-Lambdab->Lambda(1520) hperp A: -1.49 ± 0.16
-Lambdab->Lambda(1520) hperpPrim F: 0.0196 ± 0.0013
-Lambdab->Lambda(1520) hperpPrim A: -0.038 ± 0.011
-Lambdab->Lambda(1520) hTplus F: -2.90 ± 0.24
-Lambdab->Lambda(1520) hTplus A: 12.0 ± 2.9
-Lambdab->Lambda(1520) hTperp F: -3.01 ± 0.25
-Lambdab->Lambda(1520) hTperp A: 12.2 ± 2.8
-Lambdab->Lambda(1520) hTperpPrim F: -0.144 ± 0.024
-Lambdab->Lambda(1520) hTperpPrim A: 0.74 ± 0.37
-
 
 # Parameters for SM contribution to D-Dbar mixing
 # As it is poorly known, these are only conservative guesses to
diff --git a/flavio/physics/bdecays/formfactors/lambdab_32/test_lambdab.py b/flavio/physics/bdecays/formfactors/lambdab_32/test_lambdab.py
index b453de9d..7d7fd592 100644
--- a/flavio/physics/bdecays/formfactors/lambdab_32/test_lambdab.py
+++ b/flavio/physics/bdecays/formfactors/lambdab_32/test_lambdab.py
@@ -21,20 +21,20 @@ def test_lambdab_lambda1520_ff(self):
         BR = par['BR(Lambda(1520)->NKbar)_exp']
         BRinv = 2/BR
 
-        # Comparison to figure 6 in arXiv:2009.09313
-        pred_sm(self, 'dBR/dq2(Lambdab->Lambda(1520)mumu)', 16.0, pow(3.7, -9), pow(0.2, -9), BRinv)
-        pred_sm(self, 'dBR/dq2(Lambdab->Lambda(1520)mumu)', 16.4, pow(1.6, -9), pow(0.2, -9), BRinv)
+        # Comparison to figure on slide 12 S.Meinel b-baryon FEST 2020
+        pred_sm(self, 'dBR/dq2(Lambdab->Lambda(1520)mumu)', 16.0, pow(2.5, -9), pow(0.1, -9), BRinv)
+        pred_sm(self, 'dBR/dq2(Lambdab->Lambda(1520)mumu)', 16.4, pow(1.2, -9), pow(0.1, -9), BRinv)
         pred_sm(self, 'dBR/dq2(Lambdab->Lambda(1520)mumu)', 16.8, 0.0, pow(0.01, -9), BRinv)
 
-        # Comparison to figure 9 in arXiv:2009.09313
-        pred_sm(self, 'AFBl(Lambdab->Lambda(1520)mumu)', 16.0, -0.13, 0.02)
-        pred_sm(self, 'AFBl(Lambdab->Lambda(1520)mumu)', 16.4, 0.0, 0.02)
-        pred_sm(self, 'AFBl(Lambdab->Lambda(1520)mumu)', 16.8, 0.32, 0.02)
+        # Comparison to figure on slide 14 S.Meinel b-baryon FEST 2020
+        pred_sm(self, 'AFBl(Lambdab->Lambda(1520)mumu)', 16.0, -0.09, 0.01)
+        pred_sm(self, 'AFBl(Lambdab->Lambda(1520)mumu)', 16.4, 0.05, 0.01)
+        pred_sm(self, 'AFBl(Lambdab->Lambda(1520)mumu)', 16.8, 0.25, 0.02)
 
-        # Comparison to figure 7 in arXiv:2009.09313
-        pred_sm(self, 'S_1cc(Lambdab->Lambda(1520)mumu)', 16.0, 0.6, 0.02)
-        pred_sm(self, 'S_1cc(Lambdab->Lambda(1520)mumu)', 16.4, 0.6, 0.02)
-        pred_sm(self, 'S_1cc(Lambdab->Lambda(1520)mumu)', 16.8, 0.44, 0.02)
+        # Comparison to figure on slide 13 S.Meinel b-baryon FEST 2020
+        pred_sm(self, 'S_1cc(Lambdab->Lambda(1520)mumu)', 16.0, 0.56, 0.01)
+        pred_sm(self, 'S_1cc(Lambdab->Lambda(1520)mumu)', 16.4, 0.56, 0.02)
+        pred_sm(self, 'S_1cc(Lambdab->Lambda(1520)mumu)', 16.8, 0.36, 0.02)
 
         
         flavio.config['implementation']['Lambdab->Lambda(1520) form factor'] = 'Lambdab->Lambda(1520) MCN'