General properties of the pion production reaction in nuclear matter
| Autor: | Rinaldo Rui, E. Fragiacomo, S. Piano, L. Felawka, R. Meier, K. Raywood, N. Grion, G. R. Smith, E. L. Mathie, Paolo Camerini, J. Clark, D.F. Ottewell, M. E. Sevior, E. F. Gibson, G. J. Hofman, R. Tacik, G. R. Moloney |
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| Přispěvatelé: | Camerini, Paolo, E., Fragiacomo, N., Grion, S., Piano, Rui, Rinaldo, J., Clark, L., Felawka, E. F., Gibson, G., Hofman, E. L., Mathie, R., Meier, G., Moloney, D., Ottewel, K., Raywood, M., Sevior, G. R., Smith, R., Tacik |
| Rok vydání: | 2004 |
| Předmět: |
Physics
Nuclear reaction Nuclear and High Energy Physics Spectrometer 010308 nuclear & particles physics Nuclear Theory chemistry.chemical_element FOS: Physical sciences Nuclear matter 7. Clean energy 01 natural sciences 3. Good health Nuclear physics Pion chemistry Phase space 0103 physical sciences Invariant mass Scandium Nuclear Experiment (nucl-ex) 010306 general physics Nuclear Experiment |
| Popis: | The pion production reaction $\pi^+ \to \pi^+\pi^{\pm}$ on $^{45}Sc$ was studied at incident pion energies of $T_{\pi^{+}}$ = 240, 260, 280, 300, and 320 MeV. The experiment was performed using the $M11$ pion-channel at TRIUMF, and multiparticle events, ($\pi^+,\pi^+\pi^{\pm}$) and ($\pi^+,\pi^+\pi^{\pm}p$), were detected with the CHAOS spectrometer. Results are reported in the form of both differential and total cross sections, and are compared to theoretical predictions and the reaction phase space. The present investigation of the T-dependence of the $\pi^+ A \to \pi^+\pi^{\pm} A'$ reaction complements earlier examinations of the A-dependence of the reaction, which was measured using $^{2}H$, $^{4}He$, $^{12}C$, $^{16}O$, $^{40}Ca$, and $^{208}Pb$ targets at $\sim$280 MeV. Some general properties of the pion-induced pion production reaction in nuclear matter will be presented, based on the combined results of the two studies. Comment: 23 pages, Latex, accepted for publication in Nucl. Phys. A |
| Databáze: | OpenAIRE |
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