Factorial and cumulant moments in e(+)e(-)->hadrons at the Z(0) resonance

被引：38

作者：

Abe, K

Abt, I

Ahn, CJ

Akagi, T

Allen, NJ

Ash, WW

Aston, D

Baird, KG

Baltay, C

Band, HR

Barakat, MB

Baranko, G

Bardon, O

Barklow, T

Bazarko, AO

BenDavid, R

Benvenuti, AC

Bilei, GM

Bisello, D

Blaylock, G

Bogart, JR

Bolton, T

Bower, GR

Brau, JE

Breidenbach, M

Bugg, WM

Burke, D

Burnett, TH

Burrows, PN

Busza, W

Calcaterra, A

Caldwell, DO

Calloway, D

Camanzi, B

Carpinelli, M

Cassell, R

Castaldi, R

Castro, A

CavalliSforza, M

Chou, A

Church, E

Cohn, HO

Coller, JA

Cook, V

Cotton, R

Cowan, RF

Coyne, DG

Crawford, G

DOliveira, A

Damerell, CJS

机构：

[1] IST NAZL FIS NUCL, SEZ BOLOGNA, I-40126 BOLOGNA, ITALY

[2] BOSTON UNIV, BOSTON, MA 02215 USA

[3] BRUNEL UNIV, UXBRIDGE UB8 3PH, MIDDX, ENGLAND

[4] CALTECH, PASADENA, CA 91125 USA

[5] UNIV CALIF SANTA BARBARA, SANTA BARBARA, CA 93106 USA

[6] UNIV CALIF SANTA CRUZ, SANTA CRUZ, CA 95064 USA

[7] UNIV CINCINNATI, CINCINNATI, OH 45221 USA

[8] COLORADO STATE UNIV, FT COLLINS, CO 80523 USA

[9] UNIV COLORADO, BOULDER, CO 80309 USA

[10] COLUMBIA UNIV, NEW YORK, NY 10027 USA

[11] IST NAZL FIS NUCL, SEZ FERRARA, I-44100 FERRARA, ITALY

[12] UNIV FERRARA, I-44100 FERRARA, ITALY

[13] IST NAZL FIS NUCL, NAZL FRASCATI LAB, I-00044 FRASCATI, ITALY

[14] UNIV ILLINOIS, URBANA, IL 61801 USA

[15] UNIV CALIF BERKELEY, LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA

[16] MIT, CAMBRIDGE, MA 02139 USA

[17] UNIV MASSACHUSETTS, AMHERST, MA 01003 USA

[18] UNIV MISSISSIPPI, UNIVERSITY, MS 38677 USA

[19] NAGOYA UNIV, CHIKUSA KU, NAGOYA, AICHI 464, JAPAN

[20] UNIV OREGON, EUGENE, OR 97403 USA

[21] UNIV PADUA, I-35100 PADUA, ITALY

[22] IST NAZL FIS NUCL, SEZ PADOVA, I-35100 PADUA, ITALY

[23] UNIV PERUGIA, I-06100 PERUGIA, ITALY

[24] IST NAZL FIS NUCL, SEZ PERUGIA, I-06100 PERUGIA, ITALY

[25] UNIV PISA, I-56100 PISA, ITALY

[26] IST NAZL FIS NUCL, SEZ PISA, I-56100 PISA, ITALY

[27] RUTGERS STATE UNIV, PISCATAWAY, NJ 08855 USA

[28] RUTHERFORD APPLETON LAB, DIDCOT OX11 0QX, OXON, ENGLAND

[29] SOGANG UNIV, SEOUL, SOUTH KOREA

[30] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA

[31] UNIV TENNESSEE, KNOXVILLE, TN 37996 USA

[32] TOHOKU UNIV, SENDAI, MIYAGI 980, JAPAN

[33] VANDERBILT UNIV, NASHVILLE, TN 37235 USA

[34] UNIV WASHINGTON, SEATTLE, WA 98195 USA

[35] UNIV WISCONSIN, MADISON, WI 53706 USA

[36] YALE UNIV, NEW HAVEN, CT 06511 USA

来源：

PHYSICS LETTERS B | 1996年 / 371卷 / 1-2期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0370-2693(96)00046-9

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the first experimental study of the ratio of cumulant to factorial moments of the charged-particle multiplicity distribution in high-energy particle interactions, using hadronic Z(0) decays collected by the SLD experiment at SLAG. We find that this ratio, as a function of the moment-rank q, decreases sharply to a negative minimum at q = 5, which is followed by quasi-oscillations. These features are insensitive to experimental systematic effects and are in qualitative agreement with expectations from next-to-next-to-leading-order perturbative QCD.

引用

页码：149 / 156

页数：8

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