MEASUREMENT OF THE TAU-LEPTON MASS

被引:25
作者
BALEST, R
DAOUDI, M
FORD, WT
JOHNSON, DR
LINGEL, K
LOHNER, M
RANKIN, P
SMITH, JG
ALEXANDER, JP
BEBEK, C
BERKELMAN, K
BESSON, D
BROWDER, TE
CASSEL, DG
CHO, HA
COFFMAN, DM
DRELL, PS
EHRLICH, R
GALIK, RS
GARCIASCIVERES, M
GEISER, B
GITTELMAN, B
GRAY, SW
HARTILL, DL
HELTSLEY, BK
HONSCHEID, K
JONES, CD
KANDASWAMY, J
KATAYAMA, N
KIM, PC
KREINICK, DL
LUDWIG, GS
MASUI, J
MEVISSEN, J
MISTRY, NB
NG, CR
NORDBERG, E
OGG, M
OGRADY, C
PATTERSON, JR
PETERSON, D
RILEY, D
SAPPER, M
SELEN, M
WORDEN, H
WORRIS, M
WURTHWEIN, F
AVERY, P
FREYBERGER, A
RODRIGUEZ, J
机构
[1] CORNELL UNIV, ITHACA, NY 14853 USA
[2] UNIV FLORIDA, GAINESVILLE, FL 32611 USA
[3] HARVARD UNIV, CAMBRIDGE, MA 02138 USA
[4] ITHACA COLL, ITHACA, NY 14850 USA
[5] UNIV KANSAS, LAWRENCE, KS 66045 USA
[6] UNIV MINNESOTA, MINNEAPOLIS, MN 55455 USA
[7] SUNY, ALBANY, NY 12222 USA
[8] OHIO STATE UNIV, COLUMBUS, OH 43210 USA
[9] UNIV OKLAHOMA, NORMAN, OK 73019 USA
[10] PURDUE UNIV, W LAFAYETTE, IN 47907 USA
[11] UNIV ROCHESTER, ROCHESTER, NY 14627 USA
[12] SO METHODIST UNIV, DALLAS, TX 75275 USA
[13] SYRACUSE UNIV, SYRACUSE, NY 13244 USA
[14] VANDERBILT UNIV, NASHVILLE, TN 37235 USA
[15] CALTECH, PASADENA, CA 91125 USA
[16] UNIV CALIF SAN DIEGO, LA JOLLA, CA 92093 USA
[17] UNIV CALIF SANTA BARBARA, SANTA BARBARA, CA 93106 USA
[18] CARNEGIE MELLON UNIV, PITTSBURGH, PA 15213 USA
[19] CARLETON UNIV, OTTAWA K1S 5B6, ONTARIO, CANADA
[20] INP, NOVOSIBIRSK, RUSSIA
关键词
D O I
10.1103/PhysRevD.47.R3671
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Using data from the CLEO II detector at CESR, we measure the tau-lepton mass by exploiting the unique kinematics of events in which both tau's decay hadronically. The result is m(tau) = 1777.8+/-0.7+/-1.7 MeV/c2. By comparing our result with other measurements near tau-pair threshold, we extract an upper limit on the tau-neutrino mass of 75 MeV/c2 at 95% confidence level.
引用
收藏
页码:R3671 / R3675
页数:5
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