NUCLEAR-DEPENDENCE OF NEUTRAL-D-MESON PRODUCTION BY 800-GEV/C PROTONS

被引：94

作者：

LEITCH, MJ

BOISSEVAIN, J

CAREY, TA

JANSEN, DM

JEPPESEN, RG

KAPUSTINSKY, JS

LANE, DW

LILLBERG, JW

MCGAUGHEY, PL

MOSS, JM

PENG, JC

ISENHOWER, LD

SADLER, ME

SCHNATHORST, R

GIDAL, G

HO, PM

KOWITT, MS

LUK, KB

PRIPSTEIN, D

LEDERMAN, LM

SCHUB, MH

BROWN, CN

COOPER, WE

GLASS, HD

GOUNDER, KN

MISHRA, CS

KAPLAN, DM

LUEBKE, WR

MARTIN, VM

PRESTON, RS

SA, J

TANIKELLA, V

CHILDERS, R

DARDEN, CW

WILSON, JR

CHEN, YC

KIANG, GC

TENG, PK

机构：

[1] ABILENE CHRISTIAN UNIV, ABILENE, TX 79699 USA

[2] UNIV CALIF BERKELEY, BERKELEY, CA 94720 USA

[3] UNIV CHICAGO, CHICAGO, IL 60637 USA

[4] FERMILAB NATL ACCELERATOR LAB, BATAVIA, IL 60510 USA

[5] NO ILLINOIS UNIV, DE KALB, IL 60115 USA

[6] UNIV S CAROLINA, COLUMBIA, SC 29208 USA

[7] NATL CHENG KUNG UNIV, INST PHYS, TAINAN, TAIWAN

[8] ACAD SINICA, INST PHYS, TAIPEI 115, TAIWAN

[9] LAWRENCE BERKELEY LAB, BERKELEY, CA 94720 USA

来源：

PHYSICAL REVIEW LETTERS | 1994年 / 72卷 / 16期

关键词：

D O I：

10.1103/PhysRevLett.72.2542

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The nuclear dependence for 800 GeV/c proton production of neutral D mesons has been measured near x(F) = 0 in Experiment 789 at Fermilab. D mesons from beryllium and gold targets were detected with a pair spectrometer and a silicon vertex detector via their decay D --> Kpi. No nuclear dependence is found, with a measured alpha = 1.02 +/- 0.03 +/- 0.02. The measured differential cross section, dsigma/dx(F), for neutral-D-meson production at [x(F)] = 0.031 is 58 +/- 3 +/- 7 mub/nucleon. The integrated cross section obtained by extrapolation of the measured cross section to all x(F) is 17.7 +/- 0.9 +/- 3.4 mub/nucleon and is consistent with previous measurements.

引用

页码：2542 / 2545

页数：4

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