MEASUREMENT OF THE DOUBLE-SPIN ASYMMETRY A(LL) FOR INCLUSIVE MULTI-GAMMA PAIR PRODUCTION WITH 200-GEV/C POLARIZED PROTON-BEAM AND POLARIZED PROTON TARGET (Articolo in rivista)

Type
Label
  • MEASUREMENT OF THE DOUBLE-SPIN ASYMMETRY A(LL) FOR INCLUSIVE MULTI-GAMMA PAIR PRODUCTION WITH 200-GEV/C POLARIZED PROTON-BEAM AND POLARIZED PROTON TARGET (Articolo in rivista) (literal)
Anno
  • 1994-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/0370-2693(94)00998-8 (literal)
Alternative label
  • ADAMS DL, AKCHURIN N, BELIKOV NI, BRAVAR A, BYSTRICKY J, CORCORAN MD, COSSAIRT JD, CRANSHAW J, DEREVSCHIKOV AA, ENYO H, FUNAHASHI H, GOTO Y, GRACHOV OA, GROSNICK DP, HILL DA, IIJIMA T, IMAI K, ITOW Y, IWATANI K, KRUEGER KW, KURODA K, LEHAR F, DELESQUEN A LOPIANO D, LUEHRING FC, MAKI T, MAKINO S, MASAIKE A, MATULENKO YA, MESCHANIN AP, MICHALOWICZ A, MILLER DH, MIYAKE K, NAGAMINE T, NESSITEDALDI F, NESSI M, NGUYEN C, NURUSHEV SB, OHASHI Y, ONEL Y, PATALAKHA DI, PAULETTA G, PENZO A, READ AL, ROBERTS JB, VANROSSUM L, RYKOV VL, SAITO N, SALVATO G, SCHIAVON P, SHIMA T, SKEENS J, SOLOVYANOV VL, SPINKA H, TAKASHIMA R, TAKEUTCHI F, TAMURA N, TANAKA N, UNDERWOOD DG, VASILIEV AN, VILLARI A, WHITE JL, YAMASHITA S, YOKOSAWA A, YOSHIDA T, ZANETTI A (1994)
    MEASUREMENT OF THE DOUBLE-SPIN ASYMMETRY A(LL) FOR INCLUSIVE MULTI-GAMMA PAIR PRODUCTION WITH 200-GEV/C POLARIZED PROTON-BEAM AND POLARIZED PROTON TARGET
    in Physics letters. B (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • ADAMS DL, AKCHURIN N, BELIKOV NI, BRAVAR A, BYSTRICKY J, CORCORAN MD, COSSAIRT JD, CRANSHAW J, DEREVSCHIKOV AA, ENYO H, FUNAHASHI H, GOTO Y, GRACHOV OA, GROSNICK DP, HILL DA, IIJIMA T, IMAI K, ITOW Y, IWATANI K, KRUEGER KW, KURODA K, LEHAR F, DELESQUEN A LOPIANO D, LUEHRING FC, MAKI T, MAKINO S, MASAIKE A, MATULENKO YA, MESCHANIN AP, MICHALOWICZ A, MILLER DH, MIYAKE K, NAGAMINE T, NESSITEDALDI F, NESSI M, NGUYEN C, NURUSHEV SB, OHASHI Y, ONEL Y, PATALAKHA DI, PAULETTA G, PENZO A, READ AL, ROBERTS JB, VANROSSUM L, RYKOV VL, SAITO N, SALVATO G, SCHIAVON P, SHIMA T, SKEENS J, SOLOVYANOV VL, SPINKA H, TAKASHIMA R, TAKEUTCHI F, TAMURA N, TANAKA N, UNDERWOOD DG, VASILIEV AN, VILLARI A, WHITE JL, YAMASHITA S, YOKOSAWA A, YOSHIDA T, ZANETTI A (literal)
Pagina inizio
  • 269 (literal)
Pagina fine
  • 274 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 336 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • RICE UNIV, TW BONNER NUCL LAB, HOUSTON, TX 77251 USA UNIV IOWA, DEPT PHYS, IOWA CITY, IA 52242 USA INST HIGH ENERGY PHYS, PROTVINO 142284, RUSSIA UNIV TRIESTE, DIPARTIMENTO FIS, I-34100 TRIESTE, ITALY CENS, F-91191 GIF SUR YVETTE, FRANCE FERMILAB NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA KYOTO UNIV, DEPT PHYS, KYOTO 60601, JAPAN ARGONNE NATL LAB, ARGONNE, IL 60439 USA HIROSHIMA UNIV, HIGASHIHIROSHIMA 724, JAPAN NE STATE UNIV, TULSA, OK 74464 USA LAB ANNECY LE VIEUX PHYS PARTICULES, F-74017 ANNECY LE VIEUX, FRANCE NORTHWESTERN UNIV, DEPT PHYS, EVANSTON, IL 60201 USA UNIV OCCUPAT & ENVIRONM HLTH, KITAKYUSHU, FUKUOKA 807, JAPAN UNIV UDINE, I-33100 UDINE, ITALY UNIV MESSINA, DIPARTIMENTO FIS, I-98100 MESSINA, ITALY KYOTO UNIV, KYOTO 612, JAPAN KYOTO SANGYO UNIV, KYOTO 603, JAPAN OKAYAMA UNIV, OKAYAMA 700, JAPAN LOS ALAMOS NATL LAB, LOS ALAMOS, NM 87545 USA OSAKA CITY UNIV, OSAKA 558, JAPAN (literal)
Titolo
  • MEASUREMENT OF THE DOUBLE-SPIN ASYMMETRY A(LL) FOR INCLUSIVE MULTI-GAMMA PAIR PRODUCTION WITH 200-GEV/C POLARIZED PROTON-BEAM AND POLARIZED PROTON TARGET (literal)
Abstract
  • The invariant double-differential cross section, E1E2d6 delta/dp(1)3dp(2)3, and the double-spin asymmetry, A(LL), for inclusive multi-gamma pair production in which gamma-rays came from neutral mesons were measured with a 200 GeV/c longitudinally-polarized proton beam and a longitudinally-polarized proton target. Most of the multi-gamma pairs comes from two-jet type events which are sensitive to partonic interaction. The A(LL) values were found to be consistent with zero. The invariant double-differential cross section for inclusive pi0pi0 production was also measured. These measured cross sections are consistent with LUND Monte Carlo simulations. Using the LUND Monte Carlo simulation package with the Carlitz-Kaur model of spin dependent distribution functions of valence quarks, the A(LL) values have been compared with theoretical predictions of gluon polarization, DELTAG/G. The results put restrictions on the size of DELTAG/G in the region of 0.05 less-than-or-similar-to x less-than-or-similar-to 0.35. (literal)
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