Adams, DL and Akchurin, N and Belikov, NI and Bonner, BE and Buchanan, JA and Bystricky, J and Clement, JM and Corcoran, MD and Cossairt, JD and Cranshaw, J and Derevschikov, AA and En'yo, H and Funahashi, H and Goto, Y and Grachov, OA and Grosnick, DP and Hill, DA and Imai, K and Itow, Y and Iwatani, K and Krueger, KW and Kuroda, K and Langland, J and Lehar, F and de Lesquen, A and Lopiano, D and Luehring, FC and Maki, T and Makino, S and Masaike, A and Matulenko, YA and Meschanin, AP and Michalowicz, A and Miller, DH and Miyake, K and Nagamine, T and Nessi-Tedaldi, F and Nessi, M and Nguyen, C and Nurushev, SB and Ohashi, Y and Onel, Y and Patalakha, DI and Pauletta, G and Penzo, A and Phillips, GC and Read, AL and Roberts, JB and van Rossum, L and Rykov, VL and Saito, N and Salvato, G and Schiavon, P and Skeens, J and Solovyanov, VL and Spinka, H and Stanek, RW and Takashima, R and Takeutchi, F and Tamura, N and Tanaka, N and Underwood, DG and Vasiliev, AN and Villari, A and White, JL and Yamashita, S and Yokosawa, A and Yoshida, T and Zanetti, A (1991) ANALYZING POWER IN INCLUSIVE PI+ AND PI- PRODUCTION AT HIGH CHI-F WITH A 200 GEV POLARIZED PROTON-BEAM. PHYS LETT B , 264 (3-4) 462 - 466.
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Abstract
The analyzing power in inclusive charged pion production has been measured using the 200 GeV Fermilab polarized proton beam. A striking dependence in x(F) is observed in which A(N) increases from 0 to 0.42 with increasing x(F) for the pi+ data and decreases from 0 to -0.38 with increasing x(F) for pi- data. The kinematic range covered is 0.2 less-than-or-equal-to x(F) less-than-or-equal-to 0.9 and 0.2 less-than-or-equal-to p(T) 2.0 GeV/c. In a simple model our data indicate that at large x(F) the transverse spin of the proton is correlated with that of its quark constituents.
| Type: | Article |
|---|---|
| Title: | ANALYZING POWER IN INCLUSIVE PI+ AND PI- PRODUCTION AT HIGH CHI-F WITH A 200 GEV POLARIZED PROTON-BEAM |
| Keywords: | HYPERON POLARIZATION, HADRON-PRODUCTION, SPIN ASYMMETRY, 18.5 GEV/C, SUM-RULE, SCATTERING, BERYLLIUM |
| UCL classification: | UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy |
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