Two-Particle Correlation at Large p_T and Composite Structure of Hadrons
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概要
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The two-particle inclusive reaction at large p_T in high-energy proton-proton collision is investigated in the framework of a dynamical model based on a valence-sea urbaryon picture of hadrons. The data of the angular correlation suggest the dominant mechanisms on the same and opposite sides. It is shown that the two-particle distribution function of the inclusive reaction ab→cdX on the same side at θ=90° satisfies approximately the following behaviour :ρ^<cd>_<ab>|_<θ=90°>∝1/(p^<n_1>_<Tc>p^<n_2>_<Td>(p_<Tc>+p_<Td>)^<n_3>)g(x_T^c+x_T^d), where x_T^i denotes the transverse momentum fraction of the particle i, while on the opposite side it is nearly factorizable with respect to P_<Tc> and P_<Td> and to x_T^c and x_T^d but has a strong correlation. Momentum correlations of particles emitted together with a large p_T particle are qualitatively analised by assuming that only certain kinds of urbaryon exchange diagrams contribute to the reaction in consideration. The coplanarity phenomenon is also discussed. The results of our model are in qualitative agreement with data. he model can explain the jet-like structure in large p_T events.
- 理論物理学刊行会の論文
- 1977-03-25
著者
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Noda Hujio
Department Of Physics Ibaraki University
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Noda Hujio
Department Of Mathematical Science Ibaraki University
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NODA Hujio
Department of Physics lbaraki University
関連論文
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- Diffractive Mechanism in Multi-Particle Production Processes
- Exotic Exchange Processes and Urbaryon Rearrangement Diagrams
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