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Search for W boson pair production in p anti-p collisions at s**(1/2) = 1.8-TeV

The D0 collaboration Abachi, S. ; Abbott, B. ; Abolins, M. ; et al.

FERMILAB-CONF-95-242-E, 1995.

Inspire Record 398747 DOI 10.17182/hepdata.43019

None

1 data table

Table 1

Upper limit at the 95% C.L.

Preliminary results for exclusive b --> u l nu decays from CLEO.

Gibbons, Lawrence ;

(1995) 125-132, 1995.

Inspire Record 397218 DOI 10.17182/hepdata.47265

A preliminary analysis of exclusive $\btou$ decays to the final states $\pi~\pm\ell\nu$, $\pi~0\ell\nu$, $\rho~\pm\ell\nu$, $\rho~0\ell\nu$\ and $\omega\ell\nu$ based on $2.2\e{6}$ $\bbar$ decays collected at CLEO is presented. We have measured the first exclusive $\btou$ branching fraction $\bbpi=[1.19\pm0.41\pm0.21\pm0.19]\e{-4}$ ($[1.70\pm0.51\pm0.31\pm0.27]\e{-4}$), with the ISGW (WSB) model used for efficiency determination. A 90\% C.L. upper limit on $\bbrho$ similar to the previous CLEO limit is obtained. The ratio $\gamrho/\gampi<3.4$ at the 90\% confidence level for both the ISGW and WSB models. This ratio provides some discrimination between form factor models.

3 data tables

Table 1

Table 2

The statistical and systematic uncertainties have been combined in quadrature.. 90% CL.

Table 3

Both ISGW and WSB models, 90% CL. The statistical and systematic uncertainties have been combined in quadrature.

Measurement of the electric and magnetic polarizabilities of the proton

MacGibbon, B.E. ; Garino, G. ; Lucas, M.A. ; et al.

Phys.Rev.C 52 (1995) 2097-2109, 1995.

Inspire Record 397101 DOI 10.17182/hepdata.25940

The Compton scattering cross section on the proton has been measured at laboratory angles of 90$~\circ$ and 135$~\circ$ using tagged photons in the energy range 70--100 MeV and simultaneously using untagged photons in the range 100--148MeV. With the aid of dispersion relations, these cross sections were used to extract the electric and magnetic polarizabilities, $\bar{\alpha}$ and $\bar{\beta}$ respectively, of the proton. We find $$\bar{\alpha}+\bar{\beta} = ( 15.0 \pm 2.9 \pm 1.1 \pm 0.4 ) \times 10~{-4} \: {\rm fm}~3,$$ in agreement with a model-independent dispersion sum rule, and $$\bar{\alpha}-\bar{\beta} = ( 10.8 \pm 1.1 \pm 1.4 \pm 1.0 ) \times 10~{-4} \: {\rm fm}~3,$$ where the errors shown are statistical, systematic, and model-dependent, respectively. A comparison with previous experiments is given and global values for the polarizabilities are extracted.

3 data tables

Table 1

Tagged photons.

Table 2

Untagged photons.

Table 3

No description provided.

Fragmentation characteristics of relativistic carbon nucleus at its interaction with hydrogen

Belaga, V.V. ; Bondarenko, A.I. ; Karshiev, D.A. ; et al.

Phys.Atom.Nucl. 59 (1996) 991-996, 1996.

Inspire Record 404821 DOI 10.17182/hepdata.38625

None

3 data tables

Table 1

FRAGB - BEAM FRAGMENT WITH Z>=2.

Table 2

Table 3

Determination of form-factor parameters lambda+ and lambda0 in K(mu3) decay.

Artemov, V.M. ; Volkov, A.D. ; Emelyanenko, G.A. ; et al.

Phys.Atom.Nucl. 60 (1997) 218-223, 1997.

Inspire Record 404831 DOI 10.17182/hepdata.38592

None

1 data table

Table 1

Formfactors F+ and F0 are parameterized as usual F+(0) = F(0)*(1 + CONST*(T/M(PI)**2)).

Study of quark line selection rule (OZI rule) in hadron processes. 1. Charge exchange OZI suppressed reaction pi- + p ---> phi + n at P(pi-) = 32-GeV/c

Viktorov, V.A. ; Golovkin, S.V. ; Dorofeev, V.A. ; et al.

Phys.Atom.Nucl. 59 (1996) 1175-1183, 1996.

Inspire Record 405705 DOI 10.17182/hepdata.40543

None

1 data table

Table 1

Axis error includes +- 0.0/0.0 contribution (?////RES-DEF(RES=PHI,BACK=CORRECTED)//DECAY-BR(BRN=PHI --> K+ K-,BR=0.49 +- 0.01)).

CDF top quark production and mass

The CDF collaboration Incandela, J. ;

Nuovo Cim.A 109 (1996) 741-746, 1996.

Inspire Record 397701 DOI 10.17182/hepdata.43018

None

1 data table

Table 1

No description provided.

Inclusive B quark and heavy quarkonium production at D0

The D0 collaboration Bazizi, Kamel A. ;

AIP Conf.Proc. 357 (2008) 105-119, 2008.

Inspire Record 398746 DOI 10.17182/hepdata.43020

We report the latest results on the measurement of inclusive b quark and heavy quarkonium production by the DO/ collaboration in pp̄ collisions at √s=1.8 TeV at the Fermilab Tevatron Collider. The results are from analyses of the 1992–93 data. This report includes measurements of inclusive b quark, J/ψ and Υ meson production cross sections. The b quark production cross section, measured in inclusive muon data, is consistent with next to leading order QCD predictions within theoretical and experimental errors. We study J/ψ and Υ meson production in dimuon events and perform an investigation of the J/ψ production mechanisms. Including the latest developments in charmonium phenomenology, the J/ψ production rates are now almost all accounted for in the transverse momentum range above 8 GeV/c. The observed Υ production rates, however, are higher than expected by a factor five.

2 data tables

Table 1

No description provided.

Table 2

No description provided.