Measurement of single π0 production by coherent neutral-current ν Fe interactions in the MINOS Near Detector

被引：5

作者：

Adamson, P. ^{[8
]}

Anghel, I. ^{[1
,15
]}

Aurisano, A. ^{[7
]}

Barr, G. ^{[22
]}

Bishai, M. ^{[3
]}

Blake, A. ^{[5
,16
]}

Bock, G. J. ^{[8
]}

Bogert, D. ^{[8
]}

Cao, S. V. ^{[30
]}

Carroll, T. J. ^{[30
]}

Castromonte, C. M. ^{[9
]}

Chen, R. ^{[18
]}

Cherdack, D. ^{[31
]}

Childress, S. ^{[8
]}

Coelho, J. A. B. ^{[31
]}

Corwin, L. ^{[14
,34
]}

Cronin-Hennessy, D. ^{[19
]}

de Jong, J. K. ^{[22
]}

De Rijck, S. ^{[30
]}

Devan, A. V. ^{[33
]}

Devenish, N. E. ^{[28
]}

Diwan, M. V. ^{[3
]}

Escobar, C. O. ^{[6
]}

Evans, J. J. ^{[18
]}

Falk, E. ^{[28
]}

Feldman, G. J. ^{[10
]}

Flanagan, W. ^{[30
]}

Frohne, M. V. ^{[11
]}

Gabrielyan, M. ^{[19
]}

Gallagher, H. R. ^{[31
]}

Germani, S. ^{[17
]}

Gomes, R. A. ^{[9
]}

Goodman, M. C. ^{[1
]}

Gouffon, P. ^{[25
]}

Graf, N. ^{[23
]}

Gran, R. ^{[20
]}

Grzelak, K. ^{[32
]}

Habig, A. ^{[20
]}

Hahn, S. R. ^{[8
]}

Hartnell, J. ^{[28
]}

Hatcher, R. ^{[8
]}

Holin, A. ^{[17
]}

Huang, J. ^{[30
]}

Hylen, J. ^{[8
]}

Irwin, G. M. ^{[27
]}

Isvan, Z. ^{[3
]}

James, C. ^{[8
]}

Jensen, D. ^{[8
]}

Kafka, T. ^{[31
]}

Kasahara, S. M. S. ^{[19
]}

机构：

[1] Argonne Natl Lab, Argonne, IL 60439 USA

[2] Univ Athens, Dept Phys, GR-15771 Athens, Greece

[3] Brookhaven Natl Lab, Upton, NY 11973 USA

[4] CALTECH, Lauritsen Lab, Pasadena, CA 91125 USA

[5] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[6] Univ Estadual Campinas, IFGW, CP 6165, BR-13083970 Campinas, SP, Brazil

[7] Univ Cincinnati, Dept Phys, Cincinnati, OH 45221 USA

[8] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA

[9] Univ Fed Goias, Inst Fis, BR-74690900 Goiania, Go, Brazil

[10] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[11] Coll Holy Cross, Notre Dame, IN 46556 USA

[12] Univ Houston, Dept Phys, Houston, TX 77204 USA

[13] IIT, Dept Phys, Chicago, IL 60616 USA

[14] Indiana Univ, Bloomington, IN 47405 USA

[15] Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA

[16] Univ Lancaster, Lancaster LA1 4YB, England

[17] UCL, Dept Phys & Astron, London WC1E 6BT, England

[18] Univ Manchester, Sch Phys & Astron, Manchester M13 9PL, Lancs, England

[19] Univ Minnesota, Minneapolis, MN 55455 USA

[20] Univ Minnesota, Dept Phys, Duluth, MN 55812 USA

[21] Otterbein Univ, Westerville, OH 43081 USA

[22] Univ Oxford, Subdept Particle Phys, Oxford OX1 3RH, England

[23] Univ Pittsburgh, Dept Phys & Astron, Pittsburgh, PA 15260 USA

[24] Rutherford Appleton Lab, Sci & Technol Facil Council, Didcot OX11 0QX, Oxon, England

[25] Univ Sao Paulo, Inst Fis, CP 66318, BR-05135970 Sao Paulo, SP, Brazil

[26] Univ South Carolina, Dept Phys & Astron, Columbia, SC 29208 USA

[27] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[28] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England

[29] Texas A&M Univ, Dept Phys, College Stn, TX 77843 USA

[30] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[31] Tufts Univ, Dept Phys, Medford, MA 02155 USA

[32] Univ Warsaw, Dept Phys, PL-02093 Warsaw, Poland

[33] Coll William & Mary, Dept Phys, Williamsburg, VA 23187 USA

[34] South Dakota Sch Mines & Technol, Rapid City, SD 57701 USA

[35] Univ Lancaster, Lancaster LA1 4YB, England

来源：

PHYSICAL REVIEW D | 2016年 / 94卷 / 07期

基金：

英国科学技术设施理事会; 美国能源部; 美国国家科学基金会;

关键词：

PION-PRODUCTION; PCAC;

D O I：

10.1103/PhysRevD.94.072006

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Forward single pi(0) production by coherent neutral-current interactions, vA -> vA pi(0), is investigated using a 2.8 x 10(20) protons-on-target exposure of the MINOS Near Detector. For single-shower topologies, the event distribution in production angle exhibits a clear excess above the estimated background at very forward angles for visible energy in the range 1-8 GeV. Cross sections are obtained for the detector medium comprised of 80% iron and 20% carbon nuclei with (A) = 48, the highest-< A > target used to date in the study of this coherent reaction. The total cross section for coherent neutral-current single pi(0) production initiated by the v(mu) flux of the NuMI low-energy beam with mean (mode) E-v of 4.9 GeV (3.0 GeV), is 77.6 +/- 5.0 (stat)(-) (+15.0)(16.8) (syst) x 10(-40) cm(2) pernucleus. The results are in good agreement with predictions of the Berger-Sehgal model.

引用

页数：20

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