Measurement of the production cross-section of positive pions in the collision of 8.9 GeV/c protons on beryllium

被引：77

作者：

Catanesi, M. G. ^{[1
]}

Radicioni, E.

Edgecock, R.

Ellis, M.

Robbins, S.

Soler, F. J. P.

Goessling, C.

Bunyatov, S.

Chelkov, G.

Dedovitch, D.

Gostkin, M.

Guskov, A.

Khartchenko, D.

Krasnoperov, A.

Kroumchtein, Z.

Nefedov, Y.

Popov, B.

Serdiouk, V.

Tereshchenko, V.

Zhemchugov, A.

Di Capua, E.

Vidal-Sitjes, G.

Artamonov, A.

Arce, P.

Giani, S.

Gilardoni, S.

Gorbunov, P.

Grant, A.

Grossheim, A.

Gruber, P.

Ivanchenko, V.

Kayis-Topaksu, A.

Panman, J.

Papadopoulos, I.

Pasternak, J.

Tcherniaev, E.

Tsukerman, I.

Veenhof, R.

Wiebusch, C.

Zucchelli, P.

Blondel, A.

Borghi, S.

Campanelli, M.

Morone, M. C.

Prior, G.

Schroeter, R.

Engel, R.

Meurer, C.

Kato, I.

Gastaldi, U.

机构：

[1] Univ Bari, Bari, Italy

[2] Sezione Ist Nazl Fis Nucl, Bari, Italy

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

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

[5] Joint Inst Nucl Res Dubna, Dubna, Russia

[6] Univ Bari, Ferrara, Italy

[7] Sezione Ist Nazl Fis Nucl, Bari, Italy

[8] CERN, Geneva, Switzerland

[9] Univ Geneva, Inst Phys, Geneva, Switzerland

[10] Kyoto Univ, Kyoto, Japan

[11] Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy

[12] Los Alamos Natl Lab, Los Alamos, NM USA

[13] UCL, Inst Phys Nucl, Louvain, Belgium

[14] Univ Milano Bicocca, Milan, Italy

[15] Sez INFN Milano Bicocca, Milan, Italy

[16] Nucl Res Inst, Moscow, Russia

[17] Russian Acad Sci, PN Lebedev Phys Inst, FIAN, Moscow, Russia

[18] Univ Naples Federico II, Naples, Italy

[19] Sezione Ist Nazl Fis Nucl, Naples, Italy

[20] Columbia Univ, New York, NY USA

[21] Univ Oxford, Nucl & Astrophys Lab, Oxford, England

[22] Univ Padua, Padua, Italy

[23] Sezione Ist Nazl Fis Nucl, Padua, Italy

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

[25] Univ Paris 07, LPNHE, Paris, France

[26] Inst High Energy Phys, Protvino, Russia

[27] Univ Roma La Sapienza, Rome, Italy

[28] Sez INFN Roma 1, Rome, Italy

[29] Univ Rome, Rome, Italy

[30] Sez INFN Roma III, Rome, Italy

[31] Univ Sheffield, Dept Phys, Sheffield, S Yorkshire, England

[32] Sofia Univ St Kliment Ohridski, Fac Phys, Sofia, Bulgaria

[33] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[34] Univ Trieste, Trieste, Italy

[35] Sezione Ist Nazl Fis Nucl, Trieste, Italy

[36] CSIC, IFIC, Inst Fis Corpuscular, Valencia, Spain

[37] Univ Valencia, Valencia, Spain

[38] FNAL, Batavia, IL USA

[39] Codian Ltd, Slough, Berks, England

[40] Univ Glasgow, Glasgow, Lanark, Scotland

[41] Univ London Imperial Coll Sci Technol & Med, London, England

[42] Univ Cantabria, Inst Fis Cantabria, E-39005 Santander, Spain

[43] SpinX Technol, Geneva, Switzerland

[44] TRIUMF, Vancouver, BC V6T 2A3, Canada

[45] Univ St Gallen, St Gallen, Switzerland

[46] Moscow MV Lomonosov State Univ, Moscow, Russia

[47] Cukurova Univ, Adana, Turkey

[48] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[49] Ist Nazl Fis Nucl, Sez Ferrara, Ferrara, Italy

[50] Univ Roma Tor Vergata, Rome, Italy

来源：

EUROPEAN PHYSICAL JOURNAL C | 2007年 / 52卷 / 01期

关键词：

D O I：

10.1140/epjc/s10052-007-0382-8

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 double-differential production cross-section of positive pions, d(2)sigma(pi+)/dpd Omega, measured in the HARP experiment is presented. The incident particles are 8.9 GeV/c protons directed onto a beryllium target with a thickness of 5% of a nuclear interaction length. The measured cross-section has a direct impact on the prediction of neutrino fluxes for the MiniBooNE and SciBooNE experiments at Fermilab. After cuts, 13 million protons on target produced about 96000 reconstructed secondary tracks which were used in this analysis. Cross-section results are presented in the kinematic range 0.75 GeV/c <= p(pi)<= 6.5 GeV/c and 30 mrad <=theta(pi)<= 210 mrad in the laboratory frame.

引用

页码：29 / 53

页数：25

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