Branching fractions of τ leptons to three charged hadrons -: art. no. 181802

被引：39

作者：

Briere, RA ^{[1
]}

Chen, GP

Ferguson, T

Tatishvili, G

Vogel, H

Adam, NE

Alexander, JP

Berkelman, K

Boisvert, V

Cassel, DG

Drell, PS

Duboscq, JE

Ecklund, KM

Ehrlich, R

Galik, RS

Gibbons, L

Gittelman, B

Gray, SW

Hartill, DL

Heltsley, BK

Hsu, L

Jones, CD

Kandaswamy, J

Kreinick, DL

Magerkurth, A

Mahlke-Krüger, H

Meyer, TO

Mistry, NB

Patterson, JR

Peterson, D

Pivarski, J

Richichi, SJ

Riley, D

Sadoff, AJ

Schwarthoff, H

Shepherd, MR

Thayer, JG

Urner, D

Wilksen, T

Warburton, A

Weinberger, M

Athar, SB

Avery, P

Breva-Newell, L

Potlia, V

Stoeck, H

Yelton, J

Benslama, K

Eisenstein, BI

Gollin, GD

机构：

[1] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[2] Cornell Univ, Ithaca, NY 14853 USA

[3] Univ Florida, Gainesville, FL 32611 USA

[4] Univ Illinois, Urbana, IL 61801 USA

[5] Carleton Univ, Ottawa, ON K1S 5B6, Canada

[6] Inst Particle Phys, Toronto, ON M5S 1A7, Canada

[7] Univ Kansas, Lawrence, KS 66045 USA

[8] Univ Minnesota, Minneapolis, MN 55455 USA

[9] Northwestern Univ, Evanston, IL 60208 USA

[10] SUNY Albany, Albany, NY 12222 USA

[11] Ohio State Univ, Columbus, OH 43210 USA

[12] Univ Oklahoma, Norman, OK 73019 USA

[13] Univ Pittsburgh, Pittsburgh, PA 15260 USA

[14] Purdue Univ, W Lafayette, IN 47907 USA

[15] Univ Rochester, Rochester, NY 14627 USA

[16] So Methodist Univ, Dallas, TX 75275 USA

[17] Syracuse Univ, Syracuse, NY 13244 USA

[18] Univ Texas Pan Amer, Edinburg, TX 78539 USA

[19] Vanderbilt Univ, Nashville, TN 37235 USA

[20] Wayne State Univ, Detroit, MI 48202 USA

[21] CALTECH, Pasadena, CA 91125 USA

来源：

PHYSICAL REVIEW LETTERS | 2003年 / 90卷 / 18期

关键词：

STRANGE-QUARK MASS; CLEO-II DETECTOR; DECAYS; KAONS; E(+)E(-); UPGRADE; LIBRARY; KORALB;

D O I：

10.1103/PhysRevLett.90.181802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

From electron-positron collision data collected with the CLEO detector operating at Cornell Electron Storage Ring near roots=10.6 GeV, improved measurements of the branching fractions for tau decays into three explicitly identified hadrons and a neutrino are presented as B(tau(-)-->pi(-)pi(+)pi(-)nu(tau))=(9.13+/-0.05+/-0.46)%, B(tau(-)-->K(-)pi(+)pi(-)nu(tau))=(3.84+/-0.14+/-0.38)x10(-3), B(tau(-)-->K(-)K(+)pi(-)nu(tau))=(1.55+/-0.06+/-0.09)x10(-3), and B(tau(-)-->K(-)K(+)K(-)nu(tau))<3.7x10(-5) at 90% C.L., where the uncertainties are statistical and systematic, respectively.

引用

页数：5

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