DIFFRACTION DISSOCIATION IN (P)OVER-BAR-P COLLISIONS AT ROOT-S=1.8 TEV

被引：61

作者：

AMOS, NA

AVILA, C

BAKER, WF

BERTANI, M

BLOCK, MM

DIMITROYANNIS, DA

EARTLY, DP

ELLSWORTH, RW

GIACOMELLI, G

GOMEZ, B

GOODMAN, JA

GUSS, CM

HOENEISEN, B

LENNOX, AJ

MONDARDINI, MR

NEGRET, JP

OREAR, J

PRUSS, SM

RUBINSTEIN, R

SADR, S

SANABRIA, JC

SHUKLA, S

SPAGNOLI, M

VERONESI, I

ZUCCHELLI, S

机构：

[1] UNIV BOLOGNA,I-40126 BOLOGNA,ITALY

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

[3] NORTHWESTERN UNIV,EVANSTON,IL 60201

[4] UNIV MARYLAND,COLL PK,MD 20742

[5] GEORGE MASON UNIV,FAIRFAX,VA 22030

[6] UNIV LOS ANDES,BOGOTA,COLOMBIA

[7] UNIV SAN FRANCISCO QUITO,QUITO,ECUADOR

[8] CORNELL UNIV,ITHACA,NY 14853

来源：

PHYSICS LETTERS B | 1993年 / 301卷 / 2-3期

关键词：

D O I：

10.1016/0370-2693(93)90707-O

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We have studied single diffraction dissociation (ppBAR --> pXBAR) in proton-antiproton collisions at square-root s = 1.8 TeV, covering the ranges 3 less than or similar to M(X) less than or similar to 200 GeV and 0.05 less than or similar to Absolute value of t less than or similar to 0.11 (GeV/c)2. Parameterizing the production to be of the form dsigma/(dtdM(X)2) = (M(X)2)-alpha exp(bt), we obtain alpha = 1.13 +/- 0.07 and b = 10.5 +/- 1.8 (GeV/c)-2. The total single diffraction dissociation cross section is 2sigma(SD) = 8.1 +/- 1.7 mb. Comparisons are made to previous lower energy data. and to an earlier measurement by us at the same energy.

引用

页码：313 / 316

页数：4

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