Journal article
INCLUSIVE J-PRODUCTION IN Z(0) DECAYS
- Abstract:
-
Inclusive J production in Z0 decays is observed via the leptonic decay mode J → ℓ+ℓ- (ℓ = e,μ). We measure the branching ratio Br(Z0 → J + X) = (4.1 ± 0.7 (stat.) ± 0.3 (sys.)) × 10-3. We have calculated the fraction of the J mesons from b-hadron decay and find a branching ratio of Br(b → J + X)= (1.3±0.2(stat.)±0.2(sys.)) × 10-2. We determine the average fractional energy of bottom hadrons 〈XE > = 0.70±0.03 (stat.)+0.02-0.01 (sys.) using the momentum spectrum of the J mesons. From a study...
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- Publication status:
- Published
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- Publisher copy:
- 10.1016/0370-2693(92)91121-O
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Bibliographic Details
- Journal:
- Physics Letters B
- Volume:
- 288
- Issue:
- 3-4
- Pages:
- 412-420
- Publication date:
- 1992-08-27
- DOI:
- ISSN:
-
0370-2693
- Source identifiers:
-
7088
Item Description
- Pubs id:
-
pubs:7088
- UUID:
-
uuid:248e6e5e-92ba-40f4-94f0-0d7fe90b1803
- Local pid:
- pubs:7088
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 1992
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