Measurement of the proton structure function F2 at low Q2 in QED Compton scattering at HERA

被引：21

作者：

Aktas, A ^{[1
]}

Andreev, V

Anthonis, T

Asmone , A

Babaev, A

Backovic, S

Bähr, J

Baranov, P

Barrelet, E

Bartel, W

Baumgartner, S

Becker, J

Beckingham, M

Behnke, O

Behrendt, O

Belousov, A

Berger, C

Berger, N

Berndt, T

Bizot, JC

Böhme, J

Boenig, MO

Boudry, V

Bracinik, J

Brisson, V

Bröker, HB

Brown, DP

Bruncko, D

Büsser, FW

Bunyatyan, A

Buschhorn, G

Bystritskaya, L

Campbell, AJ

Caron, S

Cassol-Brunner, F

Cerny, K

Chekelian, V

Collard, C

Contreras, JG

Coppens, YR

Coughlan, JA

Cox, BE

Cozzika, G

Cvach, J

Dainton, JB

Dau, WD

Daum, K

Delcourt, B

Demirchyan, R

De Roeck, A

机构：

[1] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[2] Rhein Westfal TH Aachen, Phys Inst 3, Aachen, Germany

[3] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[4] ULB VUB, Inter Univ Inst High Energies, Brussels, Belgium

[5] Univ Antwerp, Antwerp, Belgium

[6] Rutherford Appleton Lab, Didcot, Oxon, England

[7] Inst Nucl Phys, Krakow, Poland

[8] Univ Dortmund, Inst Phys, Dortmund, Germany

[9] Joint Inst Nucl Res, Dubna, Russia

[10] CE Saclay, CEA, DSM DAPNIA, Gif Sur Yvette, France

[11] DESY, Hamburg, Germany

[12] Univ Hamburg, Inst Experimental Phys, Hamburg, Germany

[13] Max Planck Inst Kernphys, Heidelberg, Germany

[14] Univ Heidelberg, Phys Inst, Heidelberg, Germany

[15] Univ Heidelberg, Kirchhoff Inst Phys, Heidelberg, Germany

[16] Univ Kiel, Inst Expt & Angew Phys, Kiel, Germany

[17] Slovak Acad Sci, Inst Expt Phys, Kosice, Slovakia

[18] Univ Lancaster, Dept Phys, Lancaster, England

[19] Univ Liverpool, Dept Phys, Liverpool, Merseyside, England

[20] Univ London Queen Mary & Westfield Coll, London E1 4NS, England

[21] Lund Univ, Dept Phys, Lund, Sweden

[22] Univ Manchester, Dept Phys, Manchester, Lancs, England

[23] Univ Mediterranee, CPPM, CNRS, IN2P3, Marseille, France

[24] CINVESTAV Merida, Dept Fis Aplicada, Yucatan, Mexico

[25] CINVESTAV, Dept Fis, Yucatan, Mexico

[26] CINVESTAV, Dept Fis, Merida, Yucatan, Mexico

[27] Inst Theoret & Expt Phys, Moscow, Russia

[28] Lebedev Phys Inst, Moscow, Russia

[29] Max Planck Inst Phys & Astrophys, Munich, Germany

[30] Univ Paris 11, CNRS, IN2P3, Orsay, France

[31] CNRS, IN2P3, Ecole Polytech, Palaiseau, France

[32] Univ Paris 06, LPNHE, Paris, France

[33] Univ Paris 07, CNRS, IN2P3, Paris, France

[34] Acad Sci Czech Republ, Inst Phys, Prague, Czech Republic

[35] Charles Univ, Fac Math & Phys, Prague, Czech Republic

[36] Charles Univ, Fac Math & Phys, Rome, Italy

[37] Univ Roma Tre, Dipartimento Fis, Rome, Italy

[38] INFM Roma 3, Rome, Italy

[39] Paul Scherrer Inst, Villigen, Switzerland

[40] Berg Univ Gesamthochsch Wuppertal, Fachbereich Phys, Wuppertal, Germany

[41] Yerevan Phys Inst, Yerevan, Armenia

[42] DESY, Zeuthen, Germany

[43] ETH, Inst Teilchenphys, Zurich, Switzerland

[44] Univ Zurich, Inst Phys, Zurich, Switzerland

来源：

PHYSICS LETTERS B | 2004年 / 598卷 / 3-4期

关键词：

D O I：

10.1016/j.physletb.2004.08.004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The proton structure function F-2(x, Q(2)) is measured in inelastic QED Compton scattering using data collected with the H1 detector at HERA. QED Compton events are used to access the kinematic range of very low virtualities of the exchanged photon, Q(2), down to 0.5 GeV2, and Bjorken x up to similar to 0.06, a region which has not been covered previously by inclusive measurements at HERA. The results are in agreement with the measurements from fixed target lepton-nucleon scattering experiments. (C) 2004 Published by Elsevier B.V.

引用

页码：159 / 171

页数：13

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