Double differential inclusive cross section for the reaction P BE --> P X with an 8.9 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction P BE --> P X with an 8.9 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction P BE --> P X with an 8.9 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction P BE --> P X with an 8.9 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction P BE --> P X with an 8.9 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction P BE --> PI+ Xwith an 8.9 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction P BE --> PI- Xwith an 8.9 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> P Xwith an 8.9 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI+ X with an 8.9 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction PI+ BE --> PI- X with an 8.9 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction PI- BE --> P Xwith an 8.0 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI+ X with an 8.0 GeV beam and production angle 105 to 125 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 20 to 30 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 30 to 40 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 40 to 50 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 50 to 60 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 60 to 75 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 75 to 90 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 90 to 105 degrees.

Double differential inclusive cross section for the reaction PI- BE --> PI- X with an 8.0 GeV beam and production angle 105 to 125 degrees.

Ratio K+/PI+ in 8.9 GeV proton and PI+ interactions with Beryllium.

Ratio of deuteron to proton production in P BE interactions at 8.9 GeV.

Ratio of deuteron to proton production in PI+ BE interactions at 8.9 GeV.

Ratio of deuteron to proton production in PI- BE interactions at 8.0 GeV.

Negative particle yield from the 100mm Be target. Data are NOT corrected for the pion or antiproton flux coming from strange particle decays.

Ratio of kaon to pion production with the 100mm Be target. Data are corrected for the pion flux from strange particle decays.

Ratio of kaon to pion production with the 100mm Be target. Data are NOT corrected for the pion flux from strange particle decays.

Ratio of kaon to proton or antiproton production with the 100mm Be target. Data are corrected for the proton or antiproton flux from strange particle decays.

Ratio of kaon to proton or antiproton production with the 100mm Be target. Data are NOT corrected for the proton or antiproton flux from strange particle decays.

Ratio of pion to proton or antiproton production with the 100mm Be target. Data are corrected for the pion, proton or antiproton flux from strange particledecays.

Ratio of pion to proton or antiproton production with the 100mm Be target. Data are NOT corrected for the pion, proton or antiproton flux from strange particle decays.

Positive pion yields with the 100mm Be target as a function of transverse momentum. Data are corrected for the pion flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Negative pion yields with the 100mm Be target as a function of transverse momentum. Data are corrected for the pion flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Positive pion yields with the 100mm Be target as a function of transverse momentum. Data are NOT corrected for the pion flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Negative pion yields with the 100mm Be target as a function of transverse momentum. Data are NOT corrected for the pion flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Positive kaon yields with the 100mm Be target as a function of transverse momentum. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Negative kaon yields with the 100mm Be target as a function of transverse momentum. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Proton yields with the 100mm Be target as a function of transverse momentum. Data are corrected for the proton flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Antiproton yields with the 100mm Be target as a function of transverse momentum. Data are corrected for the antiproton flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Proton yields with the 100mm Be target as a function of transverse momentum. Data are NOT corrected for the proton flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Antiproton yields with the 100mm Be target as a function of transverse momentum. Data are NOT corrected for the antiproton flux coming from strange particle decays. Additional systematic error of 10 PCT (5 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of positive kaon to pion yields with the 100mm Be target as a function of the transverse momentum. Data are corrected for the pion flux coming from strange particle decays. Additional systematic error of 1.3 PCT (1.1 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of negative kaon to pion yields with the 100mm Be target as a function of the transverse momentum. Data are corrected for the pion flux coming from strange particle decays. Additional systematic error of 1.3 PCT (1.1 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of positive kaon to pion yields with the 100mm Be target as a function of the transverse momentum. Data are NOT corrected for the pion flux coming from strange particle decays. Additional systematic error of 1.3 PCT (1.1 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of negative kaon to pion yields with the 100mm Be target as a function of the transverse momentum. Data are NOT corrected for the pion flux coming from strange particle decays. Additional systematic error of 1.3 PCT (1.1 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of the positive kaon to proton yields with the 100mm Be target as a function of the transverse momentum. Data are corrected for the proton flux coming from strange particle decays. Additional systematic error of 1.7 PCT (1.5 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of the negative kaon to antiproton yields with the 100mm Be target asa function of the transverse momentum. Data are corrected for the antiproton fl ux coming from strange particle decays. Additional systematic error of 1.7 PCT (1.5 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of the positive kaon to proton yields with the 100mm Be target as a function of the transverse momentum. Data are NOT corrected for the proton flux coming from strange particle decays. Additional systematic error of 1.7 PCT (1.5 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of the negative kaon to antiproton yields with the 100mm Be target asa function of the transverse momentum. Data are NOT corrected for the antiproto n flux coming from strange particle decays. Additional systematic error of 1.7 PCT (1.5 PCT) at PLAB = 15 GeV (40 GeV).

Ratio of the proton to positive pion yields with the 100mm Be target as a function of the transverse momentum. Data are corrected for the pion and proton flux coming from strange particle decays. Additional systematic error of 1.1 PCT.

Ratio of the antiproton to negative pion yields with the 100mm Be target asa function of the transverse momentum. Data are corrected for the pion and anti proton flux coming from strange particle decays. Additional systematic error of 1.1 PCT.

Ratio of the proton to positive pion yields with the 100mm Be target as a function of the transverse momentum. Data are NOT corrected for the pion and proton flux coming from strange particle decays. Additional systematic error of 1.1 PCT.

Ratio of the antiproton to negative pion yields with the 100mm Be target asa function of the transverse momentum. Data are NOT corrected for the pion and antiproton flux coming from strange particle decays. Additional systematic error of 1.1 PCT.

Yields from a 200mm Be target relative to the 100mm Be target. The quoted error includes statistical and systematic uncertainties.

Yields from a 300mm Be target relative to the 100mm Be target. The quoted error includes statistical and systematic uncertainties.