Analyzing power of inclusive production of. pi. sup + ,. pi. sup minus , and K sub S sup 0 by polarized protons at 13. 3 and 18. 5 GeV/ c

We have measured the analyzing power in {pi}{sup +}, {pi}{sup {minus}}, and {ital K}{sub {ital S}}{sup 0} production by a polarized proton beam at 13.3 and 18.5 GeV/{ital c}. The data cover the central and the beam fragmentation region, in the transverse-momentum range up to 2 GeV/{ital c}. The resu...

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Bibliographic Details
Published in:	Physical review. D, Particles and fields Vol. 41:1
Main Authors:	Bonner, B.E., Buchanan, J.A., Clement, J.M., Corcoran, M.D., Krishna, N.M., Kruk, J.W., Miettinen, H.E., Moss, R.M., Mutchler, G.S., Nessi-Tedaldi, F., Nessi, M., Phillips, G.C., Roberts, J.B., Stevenson, P.M., Tonse, S.R., Birman, A., Chung, S.U., Etkin, A., Fernow, R.C., Kirk, H., Protopopescu, S.D., Willutzki, H., Hallman, T., Madansky, L., Bar-Yam, Z., Dowd, J., Kern, W., King, E., Mayes, B.W., Pinsky, L.S.
Format:	Journal Article
Language:	English
Published:	United States 01-01-1990
Subjects:	645103 - High Energy Physics- Particle Interactions & Properties-Experimental- Strong Interactions & Baryon & Meson Properties ACCELERATORS ANALYZING POWER BARYON REACTIONS BEAMS BERYLLIUM 9 TARGET BOSONS BROOKHAVEN AGS CHARGED-PARTICLE REACTIONS CHERENKOV COUNTERS CYCLIC ACCELERATORS ELEMENTARY PARTICLES ENERGY RANGE FRAGMENTATION GEV RANGE GEV RANGE 10-100 HADRON REACTIONS HADRONS INCLUSIVE INTERACTIONS INTERACTIONS KAONS KAONS NEUTRAL KAONS NEUTRAL SHORT-LIVED LINEAR MOMENTUM MEASURING INSTRUMENTS MESONS NUCLEAR REACTIONS NUCLEON REACTIONS PARTICLE INTERACTIONS PARTICLE PRODUCTION PHYSICS OF ELEMENTARY PARTICLES AND FIELDS PIONS PIONS MINUS PIONS PLUS POLARIZED BEAMS PROTON REACTIONS PSEUDOSCALAR MESONS RADIATION DETECTORS STRANGE MESONS STRANGE PARTICLES SYNCHROTRONS TARGETS TRANSVERSE MOMENTUM
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Summary:	We have measured the analyzing power in {pi}{sup +}, {pi}{sup {minus}}, and {ital K}{sub {ital S}}{sup 0} production by a polarized proton beam at 13.3 and 18.5 GeV/{ital c}. The data cover the central and the beam fragmentation region, in the transverse-momentum range up to 2 GeV/{ital c}. The results indicate that sizable effects are present at high {ital x}{sub {ital F}} and also persist into the hard-scattering region for {ital K}{sub {ital S}}{sup 0} and {pi}{sup +}. A zero value of the analyzing power was observed for {pi}{sup {minus}} production.
ISSN:	0556-2821 1089-4918
DOI:	10.1103/PhysRevD.41.13