Diffractive open charm production in deep-inelastic scattering and photoproduction at HERA

被引：40

作者：

Aktas, A. ^{[1
]}

Andreev, V.

Anthonis, T.

Antunovic, B.

Aplin, S.

Asmone, A.

Astvatsatourov, A.

Babaev, A.

Backovic, S.

Baghdasaryan, A.

Baranov, P.

Barrelet, E.

Bartel, W.

Baudrand, S.

Beckingham, M.

Begzsuren, K.

Behnke, O.

Behrendt, O.

Belousov, A.

Berger, N.

Bizot, J. C.

Boenig, M.-O.

Boudry, V.

Bozovic-Jelisavcic, I.

Bracinik, J.

Brandt, G.

Brinkmann, M.

Brisson, V.

Bruncko, D.

Buesser, F. W.

Bunyatyan, A.

Buschhorn, G.

Bystritskaya, L.

Campbell, A. J.

Avila, K. B. Cantun

Cassol-Brunner, F.

Cerny, K.

Cerny, V.

Chekelian, V.

Contreras, J. G.

Coughlan, J. A.

Cox, B. E.

Cozzika, G.

Cvach, J.

Dainton, J. B.

Daum, K.

de Boer, Y.

Delcourt, B.

Del Degan, M.

De Roeck, A.

机构：

[1] Rhein Westfal TH Aachen, Inst Phys 1, D-5100 Aachen, Germany

[2] Vinca Inst Nucl Phys, Belgrade, Serbia

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

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

[5] Univ Antwerp, B-2020 Antwerp, Belgium

[6] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

[7] Inst Phys Nucl, Krakow, Poland

[8] Univ Dortmund, Inst Phys, D-4600 Dortmund, Germany

[9] Joint Inst Nucl Res, Dubna, Russia

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

[11] DESY, Hamburg, Germany

[12] DESY, D-2000 Hamburg, Germany

[13] Univ Hamburg, Inst Phys Expt, Hamburg, Germany

[14] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

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

[16] Max Planck Inst Kernphys, D-69117 Heidelberg, Germany

[17] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia

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

[19] Univ Liverpool, Dept Phys, Liverpool L69 3BX, Merseyside, England

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

[21] Queen Mary Univ London, London E1 4NS, England

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

[23] Univ Manchester, Dept Phys, Manchester M13 9PL, Lancs, England

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

[25] PN Lebedev Phys Inst, Moscow 117924, Russia

[26] Inst Theoret & Expt Phys, Moscow 117259, Russia

[27] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[28] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France

[29] Ecole Polytech, CNRS, IN2P3, LLR, F-91128 Palaiseau, France

[30] Univ Paris 07, CNRS, IN2P3, LPNHE, Paris, France

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

[32] Univ Montenegro, Fac Sci, Podgorica, Montenegro

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

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

[35] Ist Nazl Fis Nucl Roma 3, Rome, Italy

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

[37] Inst Nucl Energy Res, Sofia, Bulgaria

[38] Mongolian Acad Sci, Inst Phys & Technol, Ulaanbaatar, Mongolia

[39] Paul Scherrer Inst, Villigen, Switzerland

[40] Univ Wuppertal, Fachbereich C, Wuppertal, Germany

[41] Yerevan Phys Inst, Yerevan 375036, Armenia

[42] DESY, Zeuthen, Germany

[43] ETH, Inst Teilchenphys, Zurich, Switzerland

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

[45] Natl Tech Univ Athens, Dept Phys, GR-15773 Athens, Greece

[46] Univ Wuppertal, Rechenzentrum, Wuppertal, Germany

[47] Safarik Univ, Kosice, Slovakia

[48] CERN, Geneva, Switzerland

[49] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[50] Comenius Univ, Bratislava, Slovakia

来源：

EUROPEAN PHYSICAL JOURNAL C | 2007年 / 50卷 / 01期

基金：

英国科学技术设施理事会;

关键词：

D O I：

10.1140/epjc/s10052-006-0206-2

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：

Measurements are presented of diffractive open charm production at HERA. The event topology is given by ep -> eXY where the system X contains at least one charmed hadron and is well separated by a large rapidity gap from a leading low-mass proton remnant system Y. Two analysis techniques are used for the cross section measurements. In the first, the charm quark is tagged by the reconstruction of a D*(+/-)(2010) meson. This technique is used in deep-inelastic scattering (DIS) and photoproduction (gamma p). In the second, a method based on the displacement of tracks from the primary vertex is used to measure the open charm contribution to the inclusive diffractive cross section in DIS. The measurements are compared with next-to-leading order QCD predictions based on diffractive parton density functions previously obtained from a QCD analysis of the inclusive diffractive cross section at H1. A good agreement is observed in the full kinematic regime, which supports the validity of QCD factorization for open charm production in diffractive DIS and gamma p.

引用

页码：1 / 20

页数：20

共 50 条

[1] Diffractive open charm production in deep-inelastic scattering and photoproduction at HERA
A. Aktas
V. Andreev
T. Anthonis
B. Antunovic
S. Aplin
A. Asmone
A. Astvatsatourov
A. Babaev
S. Backovic
A. Baghdasaryan
P. Baranov
E. Barrelet
W. Bartel
S. Baudrand
M. Beckingham
K. Begzsuren
O. Behnke
O. Behrendt
A. Belousov
N. Berger
J.C. Bizot
M.-O. Boenig
V. Boudry
I. Bozovic-Jelisavcic
J. Bracinik
G. Brandt
M. Brinkmann
V. Brisson
D. Bruncko
F.W. Büsser
A. Bunyatyan
G. Buschhorn
L. Bystritskaya
A.J. Campbell
K.B. Cantun Avila
F. Cassol-Brunner
K. Cerny
V. Cerny
V. Chekelian
J.G. Contreras
J.A. Coughlan
B.E. Cox
G. Cozzika
J. Cvach
J.B. Dainton
K. Daum
Y. de Boer
B. Delcourt
M. Del Degan
A. De Roeck
[J]. The European Physical Journal C, 2007, 50 : 1 - 20
[2] Tests of QCD factorisation in the diffractive production of dijets in deep-inelastic scattering and photoproduction at HERA
Aktas, A.
Andreev, V.
Anthonis, T.
Antunovic, B.
Aplin, S.
Asmone, A.
Astvatsatourov, A.
Babaev, A.
Backovic, S.
Baghdasaryan, A.
Baranov, P.
Barrelet, E.
Bartel, W.
Baudrand, S.
Beckingham, M.
Begzsuren, K.
Behnke, O.
Behrendt, O.
Belousov, A.
Berger, N.
Bizot, J. C.
Boenig, M.-O.
Boudry, V.
Bozovic-Jelisavcic, I.
Bracinik, J.
Brandt, G.
Brinkmann, M.
Brisson, V.
Bruncko, D.
Buesser, F. W.
Bunyatyan, A.
Buschhorn, G.
Bystritskaya, L.
Campbell, A. J.
Cantun Avila, K. B.
Cassol-Brunner, F.
Cerny, K.
Cerny, V.
Chekelian, V.
Cholewa, A.
Contreras, J. G.
Coughlan, J. A.
Cozzika, G.
Cvach, J.
Dainton, J. B.
Daum, K.
de Boer, Y.
Delcourt, B.
Del Degan, M.
De Roeck, A.
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A. Aktas
V. Andreev
T. Anthonis
B. Antunovic
S. Aplin
A. Asmone
A. Astvatsatourov
A. Babaev
S. Backovic
A. Baghdasaryan
P. Baranov
E. Barrelet
W. Bartel
S. Baudrand
M. Beckingham
K. Begzsuren
O. Behnke
O. Behrendt
A. Belousov
N. Berger
J.C. Bizot
M.-O. Boenig
V. Boudry
I. Bozovic-Jelisavcic
J. Bracinik
G. Brandt
M. Brinkmann
V. Brisson
D. Bruncko
F.W. Büsser
A. Bunyatyan
G. Buschhorn
L. Bystritskaya
A.J. Campbell
K.B. Cantun Avila
F. Cassol-Brunner
K. Cerny
V. Cerny
V. Chekelian
A. Cholewa
J.G. Contreras
J.A. Coughlan
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J. Cvach
J.B. Dainton
K. Daum
Y. de Boer
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A. De Roeck
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J. Cvach
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