We report on double-differential inclusive cross-sections of the production of secondary protons, charged pions, and deuterons, in the interactions with a 5% nuclear interaction length thick stationary tantalum target, of proton and pion beams with momentum from +/-3 GeV/c to +/-15 GeV/c. Results are given for secondary particles with production angles between 20 and 125 degrees. They are of particular relevance for the optimization of the design parameters of the proton driver of a neutrino factory.
Measured cross section as a function of PT for P production from a P beam of momentum 3 GeV/c in the angular range 20 to 30 DEG.
Measured cross section as a function of PT for P production from a P beam of momentum 3 GeV/c in the angular range 30 to 40 DEG.
Measured cross section as a function of PT for P production from a P beam of momentum 3 GeV/c in the angular range 40 to 50 DEG.
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Interacting protons.
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BACKGROUND DISTRIBUTION WAS OBTAINED BY USING PROTONS FROM DIFFERENT EVENTS.
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The inclusive cross sections, measured up to large values of effective mass (≡q22ν), are well fitted by dσd3p=Bxexp(−αxp22mx). Values of Bx and αx are given for Be, C, Cu, and Ta at the incident proton energy of 600 MeV and for Ag, Ta, and Pt at 800 MeV. Extremely large dp and tp ratios and large A and q2 dependences of the relative cross sections are observed.
D3(SIG)/D3(P) is fitted by the equation: CONST*exp(-SLOPE*P**2/(2*M)). CONST is presented per nucleon.
D3(SIG)/D3(P) is fitted by the equation: CONST*exp(-SLOPE*P**2/(2*M)). CONST is presented per nucleon.
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