COMBINED FIT TO R(E+E--]HADRONS) AND DATA FROM THE CERN E+E- COLLIDER LEP

被引：10
|
作者：
BRANCHINA, V
CONSOLI, M
FIORE, R
ZAPPALA, D
机构：
[1] IST NAZL FIS NUCL, SEZ CATANIA, CATANIA, ITALY
[2] UNIV CALABRIA, DIPARTIMENTO FIS, COSENZA, ITALY
来源：
PHYSICAL REVIEW D | 1992年 / 46卷 / 01期
关键词：
D O I：
10.1103/PhysRevD.46.75
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
A combined fit to R(e+e --> hadrons) in the range 5-61.4 GeV and to the data from the CERN e+e- collider LEP is presented to obtain a global estimate of the strong-interaction scale parameter LAMBDA(MS/(5)) free of uncertainties due to hadronization and choice of the momentum scale, where MSBAR denotes the modified minimal subtraction scheme. Our fitted values LAMBDA(MS/(5))=545(-182)+221 MeV, in the range 5-94 GeV, and LAMBDA(MS/(5))-961(-314)+383 MeV, in the range 14-94 GeV, do not agree, within two standard deviations, with the low-energy determinations from UPSILON branching ratios and deep-inelastic scattering.
引用
收藏
页码：75 / 83
页数：9
相关论文
共 50 条
  • [1] EXACT RESULTS ON E+E- -] E+E- + 2-GAMMA AT ENERGIES REACHED AT THE SLAC LINEAR COLLIDER AND CERN E+E- COLLIDER LEP
    JADACH, S
    WARD, BFL
    YOST, SA
    PHYSICAL REVIEW D, 1993, 47 (07): : 2682 - 2689
  • [2] ANALYZING THE E+E--]E+E- ANGULAR-DISTRIBUTION AT LEP
    COMAS, P
    MARTINEZ, M
    ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1993, 58 (01): : 15 - 30
  • [3] HADRONIC WIDTH OF THE ZETA FROM A GLOBAL FIT TO E+E--]HADRONS DATA
    BRANCHINA, V
    CASTORINA, P
    CONSOLI, M
    ZAPPALA, D
    PHYSICAL REVIEW LETTERS, 1990, 65 (26) : 3237 - 3240
  • [4] PROBING CHARGINOS AND NEUTRALINOS BEYOND THE REACH OF THE CERN E+E- COLLIDER LEP AT THE FERMILAB TEVATRON COLLIDER
    BAER, H
    TATA, X
    PHYSICAL REVIEW D, 1993, 47 (07): : 2739 - 2745
  • [5] THE LARGE EUROPEAN E+E- COLLIDER PROJECT LEP
    KEIL, E
    IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 1981, 28 (04) : 3656 - 3659
  • [6] GLUINO-INDUCED EFFECTS AND PRECISION-MEASUREMENTS AT THE CERN E+E- COLLIDER LEP
    BHATTACHARYYA, G
    RAYCHAUDHURI, A
    PHYSICAL REVIEW D, 1993, 47 (05): : 2014 - 2019
  • [7] MEASUREMENT OF E+E--]E+E- AND E+E--]MU+MU-
    AUGUSTIN, JE
    BOYARSKI, AM
    BREIDENBACH, M
    BULOS, F
    DAKIN, JT
    FELDMAN, GJ
    FISCHER, GE
    FRYBERGER, D
    HANSON, G
    JEANMARIE, B
    LARSEN, RR
    LUTH, V
    LYNCH, HL
    LYON, D
    MOREHOUSE, CC
    PATERSON, JM
    PERL, ML
    RICHTER, B
    SCHWITTERS, RF
    VANNUCCI, F
    ABRAMS, GS
    BRIGGS, D
    CHINOWSKY, W
    FRIEDBERG, CE
    GOLDHABER, G
    HOLLEBEEK, RJ
    KADYK, JA
    TRILLING, GH
    WHITAKER, JS
    ZIPSE, JE
    PHYSICAL REVIEW LETTERS, 1975, 34 (04) : 233 - 238
  • [8] DUALITY IN E+E-] HADRONS AND ENERGY-DEPENDENCE OF R = SIGMA(E+E-] HADRONS) SIGMA(E+E-]MU+MU-)
    WADA, WW
    BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1974, 19 (04): : 564 - 564
  • [9] FITTING THE E+E--]E+E- LINESHAPE
    MARTINEZ, M
    MIQUEL, R
    ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS, 1992, 53 (01): : 115 - 125
  • [10] LIGHT GLUINOS AND PRECISION TESTS AT THE CERN E(+)E(-) COLLIDER LEP
    BHATTACHARYYA, G
    RAYCHAUDHURI, A
    PHYSICAL REVIEW D, 1994, 49 (03) : R1156 - R1159
12345