** Singlet Fraction **

 P(beam)   exc.E         MC           intrinsically
 [GeV/c]   [MeV]      corrected         corrected     references
 -------------------------------------------------------------------------------
 1.489    18.932  -0.077 +/- 0.142                    PL B331 203  [FS91]
 1.546    39.056  -0.078 +/- 0.052                    NP A526 575  PL B199 147  [WD88]
 1.567    46.477  -0.113 +/- 0.089                    PL B331 203  [FS91]
 1.642    72.991                    -0.003 +/- 0.015  [HF92]
 1.6533   76.986  -0.055 +/- 0.040                    [RTo95]
 1.6583   78.753  -0.085 +/- 0.030                    [RTo95]
 1.695    91.725  -0.032 +/- 0.030                    NP A526 575  [GS89]
 1.726   102.677  -0.08  +/- 0.05                     [RTa95]
 1.7704  118.352  -0.024 +/- 0.037                    [RTo95]
 1.835   141.124                     0.014 +/- 0.030  [RK94]
 1.8918  161.103  -0.002 +/- 0.036                    [TS92]
 1.9034  165.178  -0.036 +/- 0.024                    [TS92]
 1.9185  170.479   0.010 +/- 0.016   0.058 +/- 0.016  [MZ92]
 1.9476  180.685   0.036 +/- 0.031   0.062 +/- 0.031  [RB95]
 1.9906  195.738  -0.026 +/- 0.031   0.031 +/- 0.031  [RB95]
 -------------------------------------------------------------------------------
 average          -0.021 +/- 0.009   0.028 +/- 0.009
 -------------------------------------------------------------------------------
[CM86] : PhD Thesis of Christopher J. Maher, 'The p bar p -> Lambda bar Lambda
         Reaction Near Threshold', June 1986, CMU, Pittsburgh, PA, USA
[FS91] : PhD Thesis of Fritz Stinzing, 'Untersuchung der Reaktion  p bar p ->
         Lambda bar Lambda  mit besonderer Beruecksichtigung des Schwellen-
         bereichs', July 1991, Erlangen, Germany
[GS89] : PhD Thesis of Georg Sehl, 'Die Reaktion p bar p -> Lambda bar Lambda
         92MeV ueber der Reaktionsschwelle', December 1989, Juelich, Germany,
         Juel-Spez-535, ISSN 0343-7639
[HF92] : PhD Thesis of Horst Fischer, 'Erzeugung und Zerfall von Strangeness
         in p bar p -> Lambda bar Lambda und Symmetrietests am LEAR bei
         1.642 GeV/c', June 1992, Freiburg, Germany
[KS96] : PhD Thesis of Kirsten Sachs, Strangenesserzeugung in der Lambdabar
         Sigma0- und Sigma0bar Lambda-Produktion bei hohen LEAR-Energien',
         March 1996, Juelich, Germany, Juel-3201, ISSN 0944-2952
[MZ92] : PhD Thesis of Michal Ziolkowski, 'Dynamik der p bar p -> Lambda bar
         Lambda Reaktion 170.5 MeV ueber der Produktionsschwelle',
         December 1992, Juelich, Germany, Juel-2703, ISSN 0366-0885
[RB95] : PhD Thesis of Ralf Br"oders, 'Spinobservablen der Strangenesserzeugung
         in der Reaktion p bar p -> Lambda bar Lambda', December 1995,
         Juelich, Germany, Juel-3151, ISSN 0944-2952
[RF87] : PhD Thesis of Roland von Frankenberg, 'Schwellenmessung der Reaktion
         p bar p -> Lambda bar Lambda am LEAR', December 1987, Erlangen, Germany
[RK94] : PhD Thesis of Ralph-Andre Kraft, 'Untersuchung der Reaktion
         p bar p -> Lambda bar Lambda bei 1.835 GeV/c am Niederenergie-
         Antiprotonen-Speicherring LEAR', September 1994, Erlangen, Germany
[RTa95]: PhD Thesis of Rex Tayloe, 'A Measurement of the p bar p -> Lambda bar
         Lambda and p bar p -> Sigma0 bar Lambda + c.c. Reactions at 1.726
         GeV/c', March 1995, University of Illinois at Urbana-Champaign, USA
[RTo95]: PhD Thesis of Ralf Todenhagen, 'Strangenessproduktion in Antiproton-
         Proton-Stoessen bei Einschussimpulsen um 1700 MeV/c', February 1995,
         Freiburg, Germany
[TS92] : PhD Thesis of Thomas Sefzick, 'Lambda - Anti-Lambda - Erzeugung im
         Bereich der Sigma-Schwelle', February 1992, Juelich, Germany,
         Juel-2584, ISSN 0366-0885
[WD88] : PhD Thesis of Werner Dutty, 'Untersuchung der Reaktion p bar p ->
         Lambda bar Lambda fuer den Einschussimpuls von 1.546 GeV/c',
         October 1988, Freiburg, Germany