Pseudorapidity distributions of charged particles produced in $$\bar{p}p$$ interactions at $$\sqrt{s} = 630$$ GeV and 1800 GeV
Journal Article
·
· Physical Review. D, Particles Fields
We present measurements of the pseudo-rapidity (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±0.05(stat)±0.10(sys) at 630 GeV, and 3.95±0.02(stat)±0.13(sys) 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 In(s) in dNch dη at η=0
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- CDF Collaboration
- DOE Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1155521
- Report Number(s):
- FERMILAB-PUB-89-201-E; PRVDAQ
- Journal Information:
- Physical Review. D, Particles Fields, Vol. 41, Issue 7; ISSN 0556-2821
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
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