In this figure the preliminary result of the BΛ measurement is compared with theoretical predictions and previous measurement. The values reported for the previous measurements are the recalibrated values reported in https://arxiv.org/abs/1908.03134 except for PRD(1970). In that case the measurement is recalibrated by us following the same procedure suggested in the paper.
References of the theoretical predictions shown in the figure:
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NPB4(1972): https://www.sciencedirect.com/science/article/abs/pii/0550321372901058
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arXiv:1711.07521: https://arxiv.org/abs/1711.07521
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PRC77(2008): https://journals.aps.org/prc/abstract/10.1103/PhysRevC.77.027001
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EPJ56(2020): https://journals.aps.org/prc/abstract/10.1103/PhysRevC.100.034002
All the analysis details are extensively discussed in the corresponding note