Final report of the E821 muon anomalous magnetic moment measurement at BNL -: art. no. 072003

被引：2320

作者：

Bennett, GW ^{[1
]}

Bousquet, B

Brown, HN

Bunce, G

Carey, RM

Cushman, P

Danby, GT

Debevec, PT

Deile, M

Deng, H

Deninger, W

Dhawan, SK

Druzhinin, VP

Duong, L

Efstathiadis, E

Farley, FJM

Fedotovich, GV

Giron, S

Gray, FE

Grigoriev, D

Grosse-Perdekamp, M

Grossmann, A

Hare, MF

Hertzog, DW

Huang, X

Hughes, VW

Iwasaki, M

Jungmann, K

Kawall, D

Kawamura, M

Khazin, BI

Kindem, J

Krienen, F

Kronkvist, I

Lam, A

Larsen, R

Lee, YY

Logashenko, I

McNabb, R

Meng, W

Mi, J

Miller, JP

Mizumachi, Y

Morse, WM

Nikas, D

Onderwater, CJG

Orlov, Y

Özben, CS

Paley, JM

Peng, Q

机构：

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

[2] Boston Univ, Dept Phys, Boston, MA 02215 USA

[3] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[4] Cornell Univ, Newman Lab, Ithaca, NY 14853 USA

[5] Fairfield Univ, Fairfield, CT 06430 USA

[6] Univ Groningen, Kernfys Versneller Inst, NL-9747 AA Groningen, Netherlands

[7] Heidelberg Univ, Inst Phys, D-69120 Heidelberg, Germany

[8] Univ Illinois, Dept Phys, Urbana, IL 61801 USA

[9] KEK, High Energy Accelerator Res Org, Tsukuba, Ibaraki 3050801, Japan

[10] Univ Minnesota, Dept Phys, Minneapolis, MN 55455 USA

[11] Tokyo Univ Sci, Tokyo 1538902, Japan

[12] Tokyo Inst Technol, Meguro Ku, Tokyo 1528551, Japan

[13] Yale Univ, Dept Phys, New Haven, CT 06520 USA

来源：

PHYSICAL REVIEW D | 2006年 / 73卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.73.072003

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the final report from a series of precision measurements of the muon anomalous magnetic moment, a(mu)=(g-2)/2. The details of the experimental method, apparatus, data taking, and analysis are summarized. Data obtained at Brookhaven National Laboratory, using nearly equal samples of positive and negative muons, were used to deduce a(mu)(Expt)=11659208.0(5.4)(3.3)x10(-10), where the statistical and systematic uncertainties are given, respectively. The combined uncertainty of 0.54 ppm represents a 14-fold improvement compared to previous measurements at CERN. The standard model value for a(mu) includes contributions from virtual QED, weak, and hadronic processes. While the QED processes account for most of the anomaly, the largest theoretical uncertainty, approximate to 0.55 ppm, is associated with first-order hadronic vacuum polarization. Present standard model evaluations, based on e(+)e(-) hadronic cross sections, lie 2.2-2.7 standard deviations below the experimental result.

引用

页数：41

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