STUDY OF D+ AND D- FEYNMAN X DISTRIBUTIONS IN PI- -NUCLEUS INTERACTIONS AT THE SPS

被引:101
作者
ADAMOVICH, M
ALEXANDROV, Y
ANTINORI, F
BARBERIS, D
BEUSCH, W
BUYS, A
CASANOVA, V
DAMERI, M
DAVENPORT, M
DUFEY, JP
FORINO, A
FRENCH, BR
GERASIMOV, S
GESSAROLI, R
GRARD, F
HARRISON, K
HURST, R
JACHOLKOWSKI, A
KIRK, A
LAMANNA, E
LASSALLE, JC
LEGROS, P
MAZZANTI, P
MULLER, F
OSCULATI, B
QUARENI, A
REDAELLI, N
RODA, C
ROSSI, L
TOMASINI, G
VIAGGI, F
WEYMANN, M
ZAVERTYAEV, M
机构
[1] CERN,EUROPEAN ORG NUCL RES,CH-1211 GENEVA 23,SWITZERLAND
[2] UNIV MONS HAINAUT,MONS,BELGIUM
[3] DIPARTIMENTO FIS,GENOA,ITALY
[4] DIPARTIMENTO FIS,BOLOGNA,ITALY
[5] IISN,MONS,BELGIUM
[6] INFN,GENOA,ITALY
[7] INFN,BOLOGNA,ITALY
关键词
D O I
10.1016/0370-2693(93)91074-W
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Experiment WA82 studied charm production by a pi- beam of 340 GeV/c at the CERN OMEGA' spectrometer, using a silicon microstrip vertex detector and an impact parameter trigger. Results on the x(F) distributions of D+ and D-mesons are presented and discussed. A clear excess of D- over D+, increasing at high x(F), is observed.
引用
收藏
页码:402 / 406
页数:5
相关论文
共 11 条
[1]   A MICROSTRIP VERTEX DETECTOR FOR STUDYING CHARM HADROPRODUCTION [J].
ADAMOVICH, M ;
ALEXANDROV, Y ;
ANTINORI, F ;
BARBERIS, D ;
BEUSCH, W ;
BOURGEOIS, F ;
BUYS, A ;
DAMERI, M ;
DAVENPORT, M ;
DUFEY, JP ;
FORINO, A ;
FRENCH, BR ;
GERASIMOV, S ;
GESSAROLI, R ;
GRARD, F ;
HEIJNE, E ;
HURST, R ;
JACHOLKOWSKI, A ;
JARRON, P ;
KIRK, A ;
LASSALLE, JC ;
LEGROS, P ;
MALFERRARI, L ;
MARTINENGO, P ;
MAZZANTI, P ;
MERONI, C ;
MULLER, F ;
OSCULATI, B ;
QUARENI, A ;
REDAELLI, N ;
ROSSI, L ;
TOMASINI, G ;
TORASSA, E ;
VIAGGI, F ;
ZAVERTYAEV, M .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 1991, 309 (03) :401-410
[2]   NUCLEAR-DEPENDENCE OF CHARM PRODUCTION BY A 340 GEV PI-BEAM [J].
ADAMOVICH, M ;
ALEXANDROV, Y ;
ANTINORI, F ;
BARBERIS, D ;
BEUSCH, W ;
BUYS, A ;
DAMERI, M ;
DAVENPORT, M ;
DUFEY, JP ;
FORINO, A ;
FRENCH, BR ;
GERASIMOV, S ;
GESSAROLI, R ;
GRARD, F ;
HURST, R ;
JACHOLKOWSKI, A ;
KIRK, A ;
LASSALLE, JC ;
LEGROS, P ;
MAZZANTI, P ;
MERONI, C ;
MULLER, F ;
OSCULATI, B ;
QUARENI, A ;
REDAELLI, N ;
ROSSI, L ;
TOMASINI, G ;
TORRETTA, D ;
VIAGGI, F ;
ZAVERTYAEV, M .
PHYSICS LETTERS B, 1992, 284 (3-4) :453-456
[3]   RESULTS ON HEAVY QUARK SELECTION THROUGH AN IMPACT PARAMETER TRIGGER [J].
ADAMOVITCH, M ;
ALEXANDROV, Y ;
GERASIMOV, S ;
KHARLAMOV, S ;
MALININA, L ;
ZAVERTIAEV, M ;
ANTINORI, F ;
DAMERI, M ;
HURST, R ;
OSCULATI, B ;
ROSSI, L ;
TOMASINI, G ;
BAILLY, JL ;
BUYS, A ;
GRARD, F ;
LEGROS, P ;
FORINO, A ;
GESSAROLI, R ;
MAZZANTI, P ;
QUARENI, A ;
VIAGGI, F ;
MERONI, C ;
REDAELLI, N ;
TORRETTA, D ;
BARBERIS, D ;
BEUSCH, W ;
BOURGEOIS, F ;
CORRE, A ;
DAVENPORT, M ;
DUFEY, JP ;
FRENCH, BR ;
JACHOLKOWSKI, A ;
KNUDSON, K ;
LASSALLE, JC ;
MULLER, F ;
PEGAITAZ, R .
IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1990, 37 (02) :236-240
[4]  
AGUILARBENITEZ M, 1986, Z PHYS C PART FIELDS, V31, P491, DOI 10.1007/BF01551071
[5]   MEASUREMENT OF D-MESON BRANCHING RATIOS [J].
AGUILARBENITEZ, M ;
ALLISON, WWM ;
BALAND, JF ;
BARTL, W ;
BEGALLI, VM ;
BELLIERE, P ;
BIZZARRI, R ;
BORREANI, G ;
BRIAND, H ;
BRUN, R ;
BUGG, WM ;
CANALE, V ;
CASO, C ;
CASTELLI, E ;
CHECCHIA, P ;
CHLIAPNIKOV, PV ;
COLINO, N ;
COLWILL, S ;
CONTRI, R ;
CRENNELL, D ;
DEANGELIS, A ;
DEBILLY, L ;
DEFOIX, C ;
DICAPUA, E ;
DIMARCO, R ;
DOLBEAU, J ;
DUMARCHEZ, J ;
FALCIANO, S ;
FERNANDEZ, C ;
FISHER, CM ;
FISYAK, YV ;
FONTANELLI, F ;
FRY, JR ;
GANGULI, S ;
GASPARINI, U ;
GENTILE, S ;
GOSHAW, AT ;
GRARD, F ;
GURTU, A ;
HANDLER, T ;
HAMATSU, R ;
HANTON, J ;
HART, EL ;
HAUPT, L ;
HELLMAN, S ;
HERNANDEZ, J ;
HOLMGREN, SO ;
HOULDEN, MA ;
HRUBEC, J ;
HUGHES, P .
PHYSICS LETTERS B, 1986, 168 (1-2) :170-176
[6]   A DEPENDENCE OF J/PSI AND PSI' PRODUCTION AT 800 GEV/C [J].
ALDE, DM ;
BAER, HW ;
CAREY, TA ;
GARVEY, GT ;
KLEIN, A ;
LEE, C ;
LEITCH, MJ ;
LILLBERG, J ;
MCGAUGHEY, PL ;
MISHRA, CS ;
MOSS, JM ;
PENG, JC ;
BROWN, CN ;
COOPER, WE ;
HSIUNG, YB ;
ADAMS, MR ;
GUO, R ;
KAPLAN, DM ;
MCCARTHY, RL ;
DANNER, G ;
WANG, M ;
BARLETT, M ;
HOFFMANN, G .
PHYSICAL REVIEW LETTERS, 1991, 66 (02) :133-136
[7]  
BARLAG S, 1991, Z PHYS C PART FIELDS, V49, P555, DOI 10.1007/BF01483570
[8]   THE LUND MONTE-CARLO FOR HADRONIC PROCESSES - PYTHIA VERSION 4.8 [J].
BENGTSSON, HU ;
SJOSTRAND, T .
COMPUTER PHYSICS COMMUNICATIONS, 1987, 46 (01) :43-82
[9]  
EADIE WT, 1971, STATISTICAL METHODS
[10]  
MANGANO M, 1992, GEFTH15