Direct photon production at high p sub T in. pi. sup minus Be and p Be collisions at 500 GeV/ c

We report new measurements of inclusive direct photon production at high transverse momenta ({ital p}{sub {ital T}}) for {pi}{sup {minus}} and {ital p} interactions on Be at 500 GeV/{ital c}. The yields as a function of {ital p}{sub {ital T}} and rapidity ({ital y}) are in good agreement with expect...

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Veröffentlicht in:	Physical review letters 1992-04, Vol.68:17
Hauptverfasser:	Alverson, G., Baker, W.F., Ballocchi, G., Benson, R., Berg, D., Blusk, S., Bromberg, C., Brown, D., Carey, D., Chand, T., Chandlee, C., Choudhary, B.C., Chung, W.H., de Barbaro, L., DeSoi, W., Dlugosz, W., Dunlea, J., Easo, S., Engels, E. Jr, Faissler, W., Fanourakis, G., Ferbel, T., Garelick, D., Ginther, G., Glass, G., Glaubman, M., Gutierrez, P., Hartman, K., Huston, J., Johnstone, C., Kapoor, V., Kourbanis, I., Lanaro, A., Lirakis, C., Lobkowicz, F., Lukens, P., Mani, S., Maul, A., Mansour, J., Miller, R., Nelson, C.A. Jr, Oh, B., Orris, D., Pothier, E., Prebys, E., Rajaram, B.M., Roser, R., Ruddick, K., Shepard, P., Shivpuri, R.K., Sinanidis, A., Skow, D., Slattery, P., Sorrell, L., Toothacker, W., Varelas, N., Weerasundara, D., Whitmore, J., Wu, G., Yasuda, T., Yosef, C., Zielinski, M.
Format:	Artikel
Sprache:	eng
Schlagworte:	663430 > Nucleon-Induced Reactions & Scattering-- (1992-) 663520 > Nuclear Mass Ranges-- A=6-19-- (1992-) ALKALINE EARTH ISOTOPES BARYON REACTIONS BERYLLIUM ISOTOPES CHARGED PARTICLE DETECTION CHARGED-PARTICLE REACTIONS CROSS SECTIONS DATA DETECTION ENERGY RANGE ERRORS EXPERIMENTAL DATA FIELD THEORIES FUNCTIONS GAMMA DETECTION GEV RANGE GEV RANGE 100-1000 HADRON REACTIONS INFORMATION ISOTOPES LINEAR MOMENTUM MESON REACTIONS MONTE CARLO METHOD NUCLEAR PHYSICS AND RADIATION PHYSICS NUCLEAR REACTIONS NUCLEON REACTIONS NUMERICAL DATA PARTICLE PRODUCTION PION DETECTION PION MINUS REACTIONS PION REACTIONS PROTON REACTIONS QUANTUM CHROMODYNAMICS QUANTUM FIELD THEORY RADIATION DETECTION 663460 > Meson- & Hyperon-induced Reactions & Scattering-- (1992-) STRUCTURE FUNCTIONS TRANSVERSE MOMENTUM
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Beschreibung
Zusammenfassung:	We report new measurements of inclusive direct photon production at high transverse momenta ({ital p}{sub {ital T}}) for {pi}{sup {minus}} and {ital p} interactions on Be at 500 GeV/{ital c}. The yields as a function of {ital p}{sub {ital T}} and rapidity ({ital y}) are in good agreement with expectations from next-to-leading-log QCD calculations employing recently extracted quark and gluon structure functions.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.68.2584