Final tau-neutrino results from the DONuT experiment

被引：93

作者：

Kodama, K. ^{[1
]}

Ushida, N. ^{[1
]}

Andreopoulos, C. ^{[2
]}

Saoulidou, N. ^{[2
]}

Tzanakos, G. ^{[2
]}

Yager, P. ^{[3
]}

Baller, B. ^{[4
]}

Boehnlein, D. ^{[4
]}

Freeman, W. ^{[4
]}

Lundberg, B. ^{[4
]}

Morfin, J. ^{[4
]}

Rameika, R. ^{[4
]}

Chung, S. H. ^{[5
]}

Song, J. S. ^{[5
]}

Yoon, C. S. ^{[5
]}

Berghaus, P. ^{[6
]}

Kubantsev, M. ^{[6
]}

Reay, N. W. ^{[6
]}

Sidwell, R. ^{[6
]}

Stanton, N. ^{[6
]}

Yoshida, S. ^{[6
]}

Aoki, S. ^{[7
]}

Hara, T. ^{[7
]}

Rhee, J. T. ^{[8
]}

Ciampa, D. ^{[9
]}

Erickson, C. ^{[9
]}

Graham, M. ^{[9
]}

Maher, E. ^{[9
]}

Heller, K. ^{[9
]}

Rusack, R. ^{[9
]}

Schwienhorst, R. ^{[9
]}

Sielaff, J. ^{[9
]}

Trammell, J. ^{[9
]}

Wilcox, J. ^{[9
]}

Furukawa, T. ^{[10
]}

Hoshino, K. ^{[10
]}

Jiko, H. ^{[10
]}

Komatsu, M. ^{[10
]}

Nakamura, M. ^{[10
]}

Nakano, T. ^{[10
]}

Niwa, K. ^{[10
]}

Nonaka, N. ^{[10
]}

Okada, K. ^{[10
]}

Park, B. D. ^{[10
]}

Sato, O. ^{[10
]}

Takahashi, S. ^{[10
]}

Paolone, V. ^{[11
]}

Rosenfeld, C. ^{[12
]}

Kulik, A. ^{[12
]}

Kafka, T. ^{[13
]}

机构：

[1] Aichi Univ Educ, Kariya, Aichi 4418522, Japan

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

[3] Univ Calif Davis, Davis, CA 95616 USA

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

[5] Gyeongsang Univ, Chiju 660701, South Korea

[6] Kansas State Univ, Manhattan, KS 66506 USA

[7] Kobe Univ, Kobe, Hyogo 6578501, Japan

[8] Konkuk Univ, Seoul 143701, South Korea

[9] Univ Minnesota, Minneapolis, MN 55455 USA

[10] Nagoya Univ, Nagoya, Aichi 4648602, Japan

[11] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[12] Univ S Carolina, Columbia, SC 29208 USA

[13] Tufts Univ, Medford, MA 02155 USA

来源：

PHYSICAL REVIEW D | 2008年 / 78卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.78.052002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The DONuT experiment collected data in 1997 and published first results in 2000 based on four observed v(tau) charged-current (CC) interactions. The final analysis of the data collected in the experiment is presented in this paper, based on 3.6 x 10(17) protons on target using the 800 GeV Tevatron beam at Fermilab. The number of observed v(tau) CC events is 9 with an estimated background of 1.5 events, from a total of 578 observed neutrino interactions. We calculate the v(tau) CC cross section as a function of one parameter. Assuming D-s mesons are the sole source for v(tau), the energy-independent part of the total CC cross section can be parametrized as sigma(const)(v(tau)) = 2.51n(1.52) x 10(-40) cm(2) GeV-1 for n >= 4, where n is the parameter controlling the longitudinal part of the Ds differential cross section of the form d sigma/dx(F) proportional to (1-vertical bar x(F)vertical bar)(n). The analysis could not distinguish between v(tau) and (v) over bar (tau). The value of n obtained from PYTHIA simulations, n = 6.1, gives an estimated value of sigma(const)(v(tau))= (0.39 +/- 0.13 +/- 0.13) x 10(-38) cm(2) GeV-1.

引用

页数：20

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