(*): d(sigma)/dt calculated using the formula: 1 * * dt = --- * p * p * d(Omega) pi 1 3 d(sigma) pi d(sigma) d(sigma) ==> ---------- = --------- * ---------- = C * ---------- dt * * d(Omega) d(Omega) p * p 1 3 * * 2 p [GeV/c] p [GeV/c] C [(GeV/c) ] 1 3 1.726 GeV/c : 0.693873830 0.172799373 26.20156313 1.771 GeV/c : 0.707151099 0.220095237 20.18491885 1*************** diff xs scale error = 2.6% * 1.726 GeV/c * [RTa95] estimated angular dependent sys = 3.6% *************** (near bins are strongly correlated) cos(theta) t' diff.Xsect. Error diff.Xsect. Error (*) (GeV/c)**2 (microb/sr) (microb/sr) (microb/GeV) (microb/GeV) -0.96 -0.4700 : 0.4843 +- 0.0591 12.689 +- 1.549 -0.88 -0.4508 : 0.6214 +- 0.0760 16.282 +- 1.991 -0.80 -0.4316 : 0.8334 +- 0.0893 21.836 +- 2.340 -0.72 -0.4125 : 0.7892 +- 0.0866 20.678 +- 2.269 -0.64 -0.3933 : 0.6046 +- 0.0756 15.842 +- 1.981 -0.56 -0.3741 : 0.6099 +- 0.0769 15.980 +- 2.015 -0.48 -0.3549 : 0.5425 +- 0.0698 14.214 +- 1.829 -0.40 -0.3357 : 0.6505 +- 0.0772 17.044 +- 2.023 -0.32 -0.3165 : 0.4496 +- 0.0638 11.780 +- 1.672 -0.24 -0.2974 : 0.4687 +- 0.0651 12.281 +- 1.706 -0.16 -0.2782 : 0.4331 +- 0.0610 11.348 +- 1.598 -0.08 -0.2590 : 0.5936 +- 0.0703 15.553 +- 1.842 0.00 -0.2398 : 0.5562 +- 0.0687 14.573 +- 1.800 0.08 -0.2206 : 0.4427 +- 0.0620 11.599 +- 1.625 0.16 -0.2014 : 0.6147 +- 0.0737 16.106 +- 1.931 0.24 -0.1823 : 0.6481 +- 0.0787 16.981 +- 2.062 0.32 -0.1631 : 0.8421 +- 0.0889 22.064 +- 2.329 0.40 -0.1439 : 1.0217 +- 0.0968 26.770 +- 2.536 0.48 -0.1247 : 1.2311 +- 0.1081 32.257 +- 2.832 0.56 -0.1055 : 1.4356 +- 0.1183 37.615 +- 3.100 0.64 -0.0863 : 1.9750 +- 0.1410 51.748 +- 3.694 0.72 -0.0671 : 2.0743 +- 0.1436 54.350 +- 3.763 0.80 -0.0480 : 2.8506 +- 0.1739 74.690 +- 4.556 0.88 -0.0288 : 3.6195 +- 0.2021 94.837 +- 5.295 0.96 -0.0096 : 4.6469 +- 0.2364 121.756 +- 6.194 1*************** diff xs scale error = 2.6% * 1.771 GeV/c * [RTa95] estimated angular dependent sys = 3.6% *************** (near bins are strongly correlated) cos(theta) t' diff.Xsect. Error diff.Xsect. Error (*) (GeV/c)**2 (microb/sr) (microb/sr) (microb/GeV) (microb/GeV) -0.96 -0.6101 : 0.9749 +- 0.0990 19.678 +- 1.998 -0.88 -0.5852 : 0.8944 +- 0.0914 18.053 +- 1.845 -0.80 -0.5603 : 0.8204 +- 0.0856 16.560 +- 1.728 -0.72 -0.5354 : 0.8175 +- 0.0834 16.501 +- 1.683 -0.64 -0.5105 : 0.8564 +- 0.0844 17.286 +- 1.704 -0.56 -0.4856 : 0.7323 +- 0.0777 14.781 +- 1.568 -0.48 -0.4607 : 0.7180 +- 0.0761 14.493 +- 1.536 -0.40 -0.4358 : 0.6209 +- 0.0724 12.533 +- 1.461 -0.32 -0.4109 : 0.6295 +- 0.0727 12.706 +- 1.467 -0.24 -0.3860 : 0.8105 +- 0.0822 16.360 +- 1.659 -0.16 -0.3611 : 0.6651 +- 0.0745 13.425 +- 1.504 -0.08 -0.3362 : 0.7474 +- 0.0788 15.086 +- 1.591 0.00 -0.3113 : 0.7580 +- 0.0782 15.300 +- 1.578 0.08 -0.2864 : 0.7386 +- 0.0771 14.909 +- 1.556 0.16 -0.2615 : 0.8497 +- 0.0835 17.151 +- 1.685 0.24 -0.2366 : 0.9001 +- 0.0873 18.168 +- 1.762 0.32 -0.2117 : 0.9388 +- 0.0875 18.950 +- 1.766 0.40 -0.1868 : 1.2362 +- 0.1048 24.953 +- 2.115 0.48 -0.1619 : 1.6311 +- 0.1238 32.924 +- 2.499 0.56 -0.1370 : 1.9695 +- 0.1386 39.754 +- 2.798 0.64 -0.1121 : 2.5485 +- 0.1633 51.441 +- 3.296 0.72 -0.0872 : 3.5673 +- 0.1972 72.006 +- 3.980 0.80 -0.0623 : 4.1359 +- 0.2222 83.483 +- 4.485 0.88 -0.0374 : 6.0336 +- 0.2908 121.788 +- 5.870 0.96 -0.0125 : 7.6191 +- 0.3854 153.791 +- 7.779 -------------------------------------------------------------------------------- [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