Proton dissociative rho and elastic phi electroproduction at HERA

被引:51
作者
Adloff, C [37 ]
Aid, S
Anderson, M
Andreev, V
Andrieu, B
Arkadov, V
Arndt, C
Ayyaz, I
Babaev, A
Bahr, J
Ban, J
Baranov, P
Barrelet, E
Barschke, R
Bartel, W
Bassler, U
Beck, HP
Beck, M
Behrend, HJ
Belousov, A
Berger, C
Bernardi, G
BertrandCoremans, G
Beyer, R
Biddulph, P
Bizot, JC
Borras, K
Botterweck, F
Boudry, V
Bourov, S
Braemer, A
Braunschweig, W
Brisson, V
Brown, DP
Bruckner, W
Bruel, P
Bruncko, D
Brune, C
Burger, J
Busser, FW
Buniatian, A
Burke, S
Buschhorn, G
Calvet, D
Campbell, AJ
Carli, T
Charlet, M
Clarke, D
Clerbaux, B
Cocks, S
机构
[1] RHEIN WESTFAL TH AACHEN,INST PHYS 1,D-52074 AACHEN,GERMANY
[2] RHEIN WESTFAL TH AACHEN,INST PHYS 3,D-52074 AACHEN,GERMANY
[3] UNIV BIRMINGHAM,SCH PHYS & SPACE RES,BIRMINGHAM B15 2TT,W MIDLANDS,ENGLAND
[4] UNIV INSTELLING ANTWERP,B-2610 WILRIJK,BELGIUM
[5] FREE UNIV BRUSSELS,INTERUNIV INST HIGH ENERGIES,BRUSSELS,BELGIUM
[6] RUTHERFORD APPLETON LAB,DIDCOT OX11 0QX,OXON,ENGLAND
[7] INST NUCL PHYS,PL-30055 KRAKOW,POLAND
[8] UNIV CALIF DAVIS,DEPT PHYS,DAVIS,CA
[9] UNIV CALIF DAVIS,IIRPA,DAVIS,CA
[10] UNIV DORTMUND,INST PHYS,D-44227 DORTMUND,GERMANY
[11] CTR ETUD SACLAY,CEA,DSM,DAPNIA,F-91191 GIF SUR YVETTE,FRANCE
[12] UNIV GLASGOW,DEPT PHYS & ASTRON,GLASGOW G12 8QQ,LANARK,SCOTLAND
[13] DESY,D-22603 HAMBURG,GERMANY
[14] UNIV HAMBURG,INST EXPT PHYS 1,D-22761 HAMBURG,GERMANY
[15] UNIV HAMBURG,INST EXPT PHYS 2,D-22761 HAMBURG,GERMANY
[16] MAX PLANCK INST KERNPHYS,D-69120 HEIDELBERG,GERMANY
[17] UNIV HEIDELBERG,INST HOCHENERGIEPHYS,D-69120 HEIDELBERG,GERMANY
[18] CHRISTIAN ALBRECHTS UNIV KIEL,INST REINE & ANGEW KERNPHYS,D-24118 KIEL,GERMANY
[19] SLOVAK ACAD SCI,INST EXPT PHYS,KOSICE 04353,SLOVAKIA
[20] UNIV LANCASTER,SCH PHYS & CHEM,LANCASTER LA1 4YB,ENGLAND
[21] UNIV LIVERPOOL,DEPT PHYS,LIVERPOOL L69 3BX,MERSEYSIDE,ENGLAND
[22] UNIV LONDON QUEEN MARY & WESTFIELD COLL,LONDON E1 4NS,ENGLAND
[23] LUND UNIV,DEPT PHYS,S-22362 LUND,SWEDEN
[24] UNIV MANCHESTER,DEPT PHYS,MANCHESTER M13 9PL,LANCS,ENGLAND
[25] UNIV AIX MARSEILLE 2,CPPM,IN2P3,CNRS,F-13288 MARSEILLE,FRANCE
[26] PN LEBEDEV PHYS INST,RU-117294 MOSCOW,RUSSIA
[27] MAX PLANCK INST PHYS & ASTROPHYS,D-80805 MUNICH,GERMANY
[28] UNIV PARIS 11,LAL,IN2P3,CNRS,F-91405 ORSAY,FRANCE
[29] ECOLE POLYTECH,LPNHE,IN2P3,CNRS,F-91128 PALAISEAU,FRANCE
[30] UNIV PARIS 06,LPNHE,F-75252 PARIS,FRANCE
[31] UNIV PARIS 07,IN2P3,CNRS,F-75252 PARIS,FRANCE
[32] ACAD SCI CZECH REPUBL,INST PHYS,CZ-18040 PRAGUE,CZECH REPUBLIC
[33] CHARLES UNIV,NUCL CTR,PRAGUE 18000,CZECH REPUBLIC
[34] INFN ROMA 1,I-00146 ROME,ITALY
[35] UNIV ROMA 3,DIPARTIMENTO FIS,I-00146 ROME,ITALY
[36] PAUL SCHERRER INST,CH-5232 VILLIGEN,SWITZERLAND
[37] BERG UNIV GESAMTHSCH WUPPERTAL,FACHBEREICH PHYS,D-42097 WUPPERTAL,GERMANY
[38] DESY,INST HOCHENERGIEPHYS,D-15738 ZEUTHEN,GERMANY
[39] ETH ZURICH,INST TEILCHENPHYS,CH-8093 ZURICH,SWITZERLAND
[40] UNIV ZURICH,INST PHYS,CH-8001 ZURICH,SWITZERLAND
[41] HUMBOLDT UNIV BERLIN,INST PHYS,D-10115 BERLIN,GERMANY
[42] BERG UNIV GESAMTHSCH WUPPERTAL,RECHENZENTRUM,D-42097 WUPPERTAL,GERMANY
来源
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1997年 / 75卷 / 04期
基金
瑞士国家科学基金会;
关键词
D O I
10.1007/s002880050506
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
The electroproduction of rho mesons with proton diffractive dissociation for Q(2) > 7 GeV2 and the elastic electroproduction of phi mesons for Q(2) > 6 GeV2 are studied in e(+)p collisions at HERA with the H1 detector, for an integrated luminosity of 2.8 pb(-1). The dependence of the cross sections on P-t(2) and Q(2) is measured, and the vector meson polarisation obtained. The cross section ratio between proton dissociative and elastic production of rho mesons is measured and discussed in the framework of the factorisation hypothesis of diffractive vertices. The ratio of the elastic cross section for phi and rho meson production is investigated as a function of Q(2).
引用
收藏
页码:607 / 618
页数:12
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