Abe, F. ; Mondal, N. K. ; et., al (1990) Pseudorapidity distributions of charged particles produced in p̅p interactions at √s= 630 and 1800 GeV Physical Review D - Particles, Fields, Gravitation and Cosmology, 41 (7). pp. 2330-2333. ISSN 1550-7998
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Official URL: http://prd.aps.org/abstract/PRD/v41/i7/p2330_1
Related URL: http://dx.doi.org/10.1103/PhysRevD.41.2330
Abstract
We present measurements of the pseudorapidity (η ) distribution of charged particles (dNch/dη) produced within |η|≤ 3.5 in proton-antiproton collisions at √s of 630 and 1800 GeV. We measure dNch/dη at η=0 to be 3.18±0.06(stat)±0.10(syst) at 630 GeV, and 3.95±0.03 (stat)±0.13(syst) at 1800 GeV. Many systematic errors in the ratio of dNch/dη at the two energies cancel, and we measure 1.26±0.01±0.04 for the ratio of dNch/dη at 1800 GeV to that at 630 GeV within |η|≤3. Comparing to lower-energy data, we observe an increase faster than ln(s) in dNch/dη at η=0.
Item Type: | Article |
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Source: | Copyright of this article belongs to The American Physical Society. |
ID Code: | 87263 |
Deposited On: | 16 Mar 2012 11:21 |
Last Modified: | 16 Mar 2012 11:21 |
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