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.

Pseudorapidity distributions of charged particles produced in p¯p interactions as s=630 and 1800 GeV / F. Abe, D. Amidei, G. Apollinari, G. Ascoli, M. Atac, P. Auchincloss, A. Baden, A. Barbaro-Galtieri, V. Barnes, F. Bedeschi, S. Belforte, G. Bellettini, J. Bellinger, J. Bensinger, A. Beretvas, P. Berge, S. Bertolucci, S. Bhadra, M. Binkley, R. Blair, et al.. - In: PHYSICAL REVIEW D. - ISSN 0556-2821. - ELETTRONICO. - 41:(1990), pp. 2330-2333. [10.1103/PhysRevD.41.2330]

Pseudorapidity distributions of charged particles produced in p¯p interactions as s=630 and 1800 GeV

FOCARDI, ETTORE;
1990

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.
1990
41
2330
2333
F. Abe;D. Amidei;G. Apollinari;G. Ascoli;M. Atac;P. Auchincloss;A. Baden;A. Barbaro-Galtieri;V. Barnes;F. Bedeschi;S. Belforte;G. Belletti...espandi
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in FLORE sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/627199
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 269
  • ???jsp.display-item.citation.isi??? 253
social impact