Inclusive {chi}{sub c} production in {bar p}p collisions at {radical}s = 1.8 TeV
Conference
·
OSTI ID:10122543
- Johns Hopkins Univ., Baltimore, MD (United States). Dept. of Physics and Astronomy
We report the full reconstruction of X, mesons through the decay chain {chi}{sub c} {yields} J/{psi}{gamma}, J/{psi} {yields} {mu}{sup +}{mu}{sup {minus}}, using data obtained at the Collider Detector at Fermilab in {bar p}p collisions at {radical}s = 1.8 TeV. This sample, the first observed at a hadron collider, is then used to measure the {chi}{sub s} meson production cross section times branching fractions. We obtain {sigma} {center_dot} Br = 3.2 {plus_minus} 0.4(stat) {plus_minus} 1.1(syst) nb for {chi}{sub s}, mesons with P{sub T} > T.0 GeV/c{sup 2} and pseudorapidity {vert_bar}{eta}{vert_bar} < 0.5. From this and the inclusive J/ {psi} cross section we calculate the inclusive b-quark crow section.
- Research Organization:
- Fermi National Accelerator Lab., Batavia, IL (United States)
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 10122543
- Report Number(s):
- FNAL/C--92/347-E; CONF-921122--22; ON: DE93005974; IN: CDF/PUB/HEAVYFLAVOR/PUBLIC/1901
- Country of Publication:
- United States
- Language:
- English
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