Double Diffractive Cross-Section Measurement in the Forward Region at the LHC

被引：31

作者：

Antchev, G. ^{[1
]}

Aspell, P. ^{[2
]}

Atanassov, I. ^{[1
,2
]}

Avati, V. ^{[2
]}

Baechler, J. ^{[2
]}

Berardi, V. ^{[3
,4
]}

Berretti, M. ^{[5
,6
,7
]}

Bossini, E. ^{[5
,6
,7
]}

Bottigli, U. ^{[6
,7
]}

Bozzo, M. ^{[8
,9
]}

Bruecken, E. ^{[10
,11
]}

Buzzo, A. ^{[8
]}

Cafagna, F. S. ^{[3
]}

Catanesi, M. G. ^{[3
]}

Covault, C. ^{[12
]}

Csanad, M. ^{[13
,20
]}

Csoergo, T. ^{[13
]}

Deile, M. ^{[2
]}

Eggert, K. ^{[12
]}

Eremin, V. ^{[14
]}

Ferro, F. ^{[8
]}

Fiergolski, A. ^{[3
,15
]}

Garcia, F. ^{[10
]}

Giani, S. ^{[2
]}

Greco, V. ^{[6
,7
]}

Grzanka, L. ^{[2
,21
]}

Heino, J. ^{[10
]}

Hilden, T. ^{[10
,11
]}

Karev, A. ^{[2
]}

Kaspar, J. ^{[2
,16
]}

Kopal, J. ^{[2
,16
]}

Kundrat, V. ^{[16
]}

Kurvinen, K. ^{[10
]}

Lami, S. ^{[5
]}

Latino, G. ^{[6
,7
]}

Lauhakangas, R. ^{[10
]}

Leszko, T. ^{[15
]}

Lippmaa, E. ^{[17
]}

Lippmaa, J. ^{[17
]}

Lokajicek, M. ^{[16
]}

Losurdo, L. ^{[6
,7
]}

Lo Vetere, M. ^{[8
,9
]}

Lucas Rodriguez, F. ^{[2
]}

Macri, M. ^{[8
]}

Maki, T. ^{[10
]}

Mercadante, A. ^{[3
]}

Minafra, N. ^{[3
,4
]}

Minutoli, S. ^{[2
,8
]}

Nemes, F. ^{[13
,20
]}

Niewiadomski, H. ^{[6
,7
]}

机构：

[1] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, BU-1113 Sofia, Bulgaria

[2] CERN, CH-1211 Geneva, Switzerland

[3] Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy

[4] Dipartimento Interateneo Fis Bari, I-70126 Bari, Italy

[5] Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy

[6] Univ Siena, I-53100 Siena, Italy

[7] Grp Collegato INFN Siena, I-53100 Siena, Italy

[8] Ist Nazl Fis Nucl, Sez Genova, I-16146 Genoa, Italy

[9] Univ Genoa, I-16146 Genoa, Italy

[10] Helsinki Inst Phys, Helsinki 00014, Finland

[11] Univ Helsinki, Dept Phys, Helsinki 00014, Finland

[12] Case Western Reserve Univ, Dept Phys, Cleveland, OH 44106 USA

[13] RMKI, MTA Wigner Res Ctr, H-1525 Budapest, Hungary

[14] Russian Acad Sci, Ioffe Phys Tech Inst, St Petersburg 194021, Russia

[15] Warsaw Univ Technol, PL-00662 Warsaw, Poland

[16] Acad Sci Czech Republ, Inst Phys, Prague 18221, Czech Republic

[17] NICPB, EE-12618 Tallinn, Estonia

[18] Czech Tech Univ, CR-16635 Prague, Czech Republic

[19] Penn State Univ, Dept Phys, University Pk, PA 16802 USA

[20] Eotvos Lorand Univ, Dept Atom Phys, H-1117 Budapest, Hungary

[21] Polish Acad Sci, Inst Nucl Phys, PL-31342 Krakow, Poland

[22] SLAC Natl Accelerator Lab, Stanford, CA 94025 USA

[23] AGH Univ Sci & Technol, PL-94025 Krakow, Poland

来源：

PHYSICAL REVIEW LETTERS | 2013年 / 111卷 / 26期

基金：

芬兰科学院;

关键词：

MODEL;

D O I：

10.1103/PhysRevLett.111.262001

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The first double diffractive cross-section measurement in the very forward region has been carried out by the TOTEM experiment at the LHC with a center-of-mass energy of root s = 7 TeV. By utilizing the very forward TOTEM tracking detectors T1 and T2, which extend up to vertical bar eta vertical bar = 6.5, a clean sample of double diffractive pp events was extracted. From these events, we determined the cross section sigma(DD) = (116 +/- 25) mu b for events where both diffractive systems have 4.7 < vertical bar eta vertical bar(min) < 6.5.

引用

页数：6

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