Holley, William R.
Max results
Sort by Reverse order

Showing 10 of 7284 results

Date

Photoproduction of neutral rho mesons

Mcclellan, G. ; Mistry, Nari B. ; Mostek, P. ; et al.
Phys.Rev.D 4 (1971) 2683-2693, 1971.
Inspire Record 74765 DOI 10.17182/hepdata.23152

Results are presented on a series of measurements of ρ-photoproduction from hydrogen, deuterium, and complex nuclei ranging up to lead, at photon energies ranging from 4 to 9 GeV. Detailed dipion mass-spectrum fits are presented, using a Drell-type nonresonant background and its interference with the resonant amplitude, with no other arbitrary backgrounds. For hydrogen and deuterium, the inelastic contributions have been subtracted. The A dependence of the cross sections is analyzed to yield values of γρ24π and σρN at average photon energies of 6.1, 6.5, and 8.8 GeV. The hydrogen-to-deuterium ratios indicate the presence of possible nondiffractive amplitudes at low energies which then decrease with energy.

5 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

More…

Pi- p elastic scattering at 2.29 gev/c

Hagopian, S. ; Hagopian, V. ; Bogart, E. ; et al.
Phys.Rev.D 5 (1972) 2684-2688, 1972.
Inspire Record 74158 DOI 10.17182/hepdata.3597

The reaction π−+p→π−+p has been studied in the 15-in. bubble chamber at the Princeton-Pennsylvania Accelerator. The elastic scattering cross section was determined to be 8.5 ± 0.2 mb. The forward peak fits to an exponential in t with a slope of 8.1 ± 0.2 (GeV/c)−2. The forward differential cross section dσdΩ(0)=17.9±0.7 mb/sr. A fit of the center-of-mass angular distribution to Legendre polynomials needed terms up to the 12th order, corresponding to the highest nonzero partial wave of L=6.

4 data tables
Table 1

No description provided.

Table 2

FORWARD D(SIG)/DOMEGA IS 17.9 +- 0.7 MB/SR. SLOPE IS 8.1 +- 0.2 GEV**-2 (-T = 0.1 TO 0.4 GEV**2).

Table 3

OTHER 2.27 GEV/C DATA ALSO QUOTED.

More…

Observation of a broad peak in the production of four charged pions by e+ e- collisions around 1.6 gev

Barbarino, G. ; Grilli, M. ; Iarocci, E. ; et al.
Lett.Nuovo Cim. 3 (1972) 689-692, 1972.
Inspire Record 77547 DOI 10.17182/hepdata.37365

None

1 data table
Table 1

STATISTICAL ERRORS ONLY.


Proton compton effect in the region of the delta(1236)-resonance

Genzel, H. ; Jung, M. ; Rausch, K.R. ; et al.
Lett.Nuovo Cim. 4S2 (1972) 695-698, 1972.
Inspire Record 77720 DOI 10.17182/hepdata.37338

None

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

More…

Channel cross-sections of k- p reactions from 1.26 to 1.84 gev/c

de Bellefon, A. ; Berthon, A. ; Rangan, L.K. ; et al.
Nuovo Cim.A 7 (1972) 567-583, 1972.
Inspire Record 78277 DOI 10.17182/hepdata.37482

We present the results on total channel cross-sections obtained in the Saclay 180 l HBC exposed to a separated K− beam at Nimrod. The cross-sections for each channel are given at 13 incident K− momenta between 1.26 and 1.84 GeV/c.

1 data table
Table 1

No description provided.


Measurement of k*- production in the reaction k- p ---> k*- p

Blieden, H.R. ; Finocchiaro, G. ; Kirz, J. ; et al.
Phys.Lett.B 39 (1972) 668-670, 1972.
Inspire Record 75745 DOI 10.17182/hepdata.41300

The K ∗− spectrum in the reaction K − +p → K ∗− +p has been measured at beam momenta 10.9, 13.4 and 15.9 GeV/ c using the missing mass technique. Production of the L(1770), and a Q-K ∗ (1420) enhancement are observed. Differential cross sections in the range of momentum transfer 0.12 < | t pp | < 0.40 (GeV/ c ) 2 are given. The L meson is observed with a width Γ = 100 ± 26 MeV. The mass spectrum between the L and 2.5 GeV does not show significant structure.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Muon pair production by electron-positron collisions in the gev region

Borgia, B. ; Ceradini, F. ; Conversi, M. ; et al.
Lett.Nuovo Cim. 3S2 (1972) 115-120, 1972.
Inspire Record 77432 DOI 10.17182/hepdata.37904

None

1 data table
Table 1

CONST(NAME=EXP/THEORY) is the experimental numbers divided by the theoretical predictions.


Differential cross-sections for the reactions p p ---> d pi+ and p p ---> d rho+ in the energy range from 10 to 24 gev

Amaldi, U. ; Biancastelli, R. ; Bosio, C. ; et al.
Lett.Nuovo Cim. 4S2 (1972) 121-130, 1972.
Inspire Record 77558 DOI 10.17182/hepdata.37351

None

7 data tables
Table 1

Axis error includes +- 10/10 contribution (COMPOUNDED WITH STATISTICAL ERROR).

Table 2

Axis error includes +- 10/10 contribution (COMPOUNDED WITH STATISTICAL ERROR).

Table 3

Axis error includes +- 10/10 contribution (COMPOUNDED WITH STATISTICAL ERROR).

More…

Photoproduction of eta mesons from hydrogen

Dewire, J. ; Gittelman, B. ; Loe, R. ; et al.
Phys.Lett.B 37 (1971) 326-328, 1971.
Inspire Record 75928 DOI 10.17182/hepdata.28354

The differential cross section for eta photoproductions has been measured for incident photon energies of 4 and 8 GeV and momentum tranfers − t = 0.3 to 0.8 (GeV/ c ) 2 .

2 data tables
Table 1

Axis error includes +- 9.4/9.4 contribution.

Table 2

Axis error includes +- 9.4/9.4 contribution.


The sigma- p and sigma- d total cross-sections at 19 gev

Badier, J. ; Bland, R. ; Romana, A. ; et al.
Phys.Lett.B 41 (1972) 387-392, 1972.
Inspire Record 75613 DOI 10.17182/hepdata.28220

The total cross sections of 18.7 GeV Σ − hyperons on protons and deutrons have been measured to be 34.0 ± 1.1 mb and 61.3 + 1.4 mb, respectively. The derived Σ − -neutron cross section is 30.0 ± 1.2 mb.

1 data table
Table 1

CROSS SECTIONS CORRECTED FOR FORWARD COULOMB AND NUCLEAR SCATTERING.