TOTAL PHOTOPRODUCTION CROSS-SECTION MEASUREMENT AT HERA ENERGIES

被引：86

作者：

AHMED, T

ANDREEV, V

ANDRIEU, B

ARPAGAUS, M

BABAEV, A

BARWOLFF, H

BAN, J

BARANOV, P

BARRELET, E

BARTEL, W

BASSLER, U

BECK, GA

BECK, HP

BEHREND, HJ

BELOUSOV, A

BERGER, C

BERGSTEIN, H

BERNARDI, G

BERNET, R

BERTHON, U

BERTRANDCOREMANS, G

BESANCON, M

BIDDULPH, P

BINDER, E

BIZOT, JC

BLOBEL, V

BORRAS, K

BOSETTI, PC

BOUDRY, V

BOURDARIOS, C

BRASSE, F

BRAUN, U

BRAUNSCHWEIG, W

BRISSON, V

BRUNCKO, D

BURGER, J

BUSSER, FW

BUNIATIAN, A

BURKE, S

BUSCHHORN, G

CAMPBELL, AJ

CARLI, T

CHARLES, F

CLARKE, D

CLEGG, AB

COLOMBO, M

COUGHLAN, JA

COURAU, A

COUTURES, C

COZZIKA, G

机构：

[1] PN LEBEDEV PHYS INST, 117924 MOSCOW, RUSSIA

[2] ECOLE POLYTECH, LPNHE, CNRS, IN2P3, F-91128 PALAISEAU, FRANCE

[3] ETH, INST MITTELENERGIEPHYS, CH-5232 VILLIGEN, SWITZERLAND

[4] MOSCOW INST THEORET & EXPTL PHYS, 117259 MOSCOW, RUSSIA

[5] DESY, INST HOCHENERGIEPHYS, O-1615 ZEUTHEN, GERMANY

[6] SLOVAK ACAD SCI, INST EXPTL PHYS, CS-04353 KOSICE, CZECHOSLOVAKIA

[7] DESY, W-2000 HAMBURG 52, GERMANY

[8] UNIV LIVERPOOL, DEPT PHYS, LIVERPOOL L69 3BX, ENGLAND

[9] UNIV ZURICH, DEPT PHYS, CH-8001 ZURICH, SWITZERLAND

[10] ULB, VUB, INTERUNIV INST HIGH ENERGIES, B-1050 BRUSSELS, BELGIUM

[11] RHEIN WESTFAL TH AACHEN, INST PHYS 1, W-5100 AACHEN, GERMANY

[12] CTR ETUD SACLAY, DAPNIA, F-91191 GIF SUR YVETTE, FRANCE

[13] UNIV MANCHESTER, DEPT PHYS, MANCHESTER M13 9PL, LANCS, ENGLAND

[14] UNIV PARIS 11, CNRS, IN2P3, LAL, F-91405 ORSAY, FRANCE

[15] UNIV HAMBURG, INST EXPTL PHYS 2, W-2000 HAMBURG 50, GERMANY

[16] RUTHERFORD APPLETON LAB, DIDCOT OX11 0QX, OXON, ENGLAND

[17] RHEIN WESTFAL TH AACHEN, INST PHYS 3, W-5100 AACHEN, GERMANY

[18] UNIV GLASGOW, DEPT PHYS & ASTRON, GLASGOW G12 8QQ, SCOTLAND

[19] UNIV KIEL, INST REINE & ANGEW KERNPHYS, W-2300 KIEL 1, GERMANY

[20] MAX PLANCK INST PHYS & ASTROPHYS, W-8000 MUNICH 40, GERMANY

[21] UNIV ROME LA SAPIENZA, I-00185 ROME, ITALY

[22] BERG UNIV GESAMTHSCH WUPPERTAL, FACHBEREICH PHYS, W-5600 WUPPERTAL 1, GERMANY

[23] QUEEN MARY & WESTFIELD COLL, LONDON E1 4NS, ENGLAND

[24] INFN, ROME, ITALY

[25] UNIV CALIF DAVIS, DEPT PHYS, DAVIS, CA 95616 USA

[26] UNIV CALIF DAVIS, IIRPA, DAVIS, CA 95616 USA

[27] CHARLES UNIV, CTR NUCL, CS-18000 PRAGUE 8, CZECHOSLOVAKIA

[28] UNIV LUND, DEPT PHYS, S-22362 LUND, SWEDEN

[29] UNIV HAMBURG, INST EXPTL PHYS 1, W-2000 HAMBURG 13, GERMANY

[30] UNIV DORTMUND, INST PHYS, W-4600 DORTMUND 50, GERMANY

[31] UNIV PARIS 07, LPNHE, CNRS, IN2P3, F-75252 PARIS 05, FRANCE

[32] UNIV PARIS 08, F-75252 PARIS 05, FRANCE

[33] UNIV LANCASTER, SCH PHYS & MAT, LANCASTER LA1 4YB, ENGLAND

[34] INST NUCL PHYS, PL-31342 KRAKOW, POLAND

[35] CZECHOSLOVAK ACAD SCI, INST PHYS, CS-18040 PRAGUE 8, CZECHOSLOVAKIA

[36] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94305 USA

来源：

PHYSICS LETTERS B | 1993年 / 299卷 / 3-4期

关键词：

D O I：

10.1016/0370-2693(93)90277-O

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present first results on the total photoproduction cross section measurement with the H1 detector at HERA. The data were extracted from low Q2 collisions of 26.7 GeV electrons with 820 GeV protons. The gammap total cross section has been measured by two independent methods in the gammap center of mass energy range from 90 to 290 GeV. For an average center of mass energy of 195 GeV a value of sigma(tot) (gammap) = 159 +/- 7 (stat.) +/- 20 (syst.) mub was obtained.

引用

页码：374 / 384

页数：11

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