Huber, G.M.
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Observation of a Spin 4 Neutral H Meson with 2-GeV Mass

Apel, W.D. ; Augenstein, K. ; Bertolucci, E. ; et al.
Yad.Fiz. 23 (1976) 333-340, 1976.
Inspire Record 113106 DOI 10.17182/hepdata.19080

None

1 data table
Table 1

No description provided.


Observation of a Spin 4 Neutral Meson with 2-GeV Mass Decaying in pi0 pi0

The Serpukhov-CERN collaboration Apel, W.D. ; Augenstein, K. ; Bertolucci, E. ; et al.
Phys.Lett.B 57 (1975) 398, 1975.
Inspire Record 99595 DOI 10.17182/hepdata.27849

The invariant mass spectrum of neutral meson states from π − p interactions at 40 GeV/ c incident momentum has been investigated in a high statistics experiment performed at the 70 GeV IHEP accelerator. To detect the high energy photons coming from the produced neutral states, a hodoscope spectrometer with a computer on-line was used. A clear structure on the mass spectrum of dipions produced in the reaction π − p→π°π°n is observed at 2 GeV. The decay angular distributions show in this mass region the variation with mass typical of a state with a spin J = 4. The mass of the observed meson is found to be M = (2020±30)MeV and the estimate of the full width is (180±60) MeV.

1 data table
Table 1

No description provided.


Elastic Scattering of Photon by Protons in the Low-Energy Region

Baranov, P.S. ; Buinov, G.M. ; Godin, V.G. ; et al.
Yad.Fiz. 21 (1975) 689-698, 1975.
Inspire Record 102948 DOI 10.17182/hepdata.19097

None

2 data tables
Table 1

Axis error includes +- 1/1 contribution.

Table 2

Axis error includes +- 1/1 contribution.


Total hadronic photoabsorption cross-sections of nuclei for photons in the gev energy range

Brookes, G.R. ; Clough, A.S. ; Freeland, J.H. ; et al.
Phys.Rev.D 8 (1973) 2826-2836, 1973.
Inspire Record 93332 DOI 10.17182/hepdata.22018

The total hadronic photoabsorption cross sections of a number of nuclei (C, Al, Cu, Nb, Sn, Ta, Pb) have been studied in detail using a tagged photon beam over the energy range 1.7-4 GeV. The results are described, and compared with models of photoabsorption.

3 data tables
Table 1

STATISTICAL ERRORS. MEAN CROSS SECTIONS FOR EACH OF THE TWO ELECTRON BEAM ENERGIES OF 3.5 AND 4.6 GEV ARE ALSO GIVEN.

Table 2

A-EFFECTIVE/A, USING SIG(GAMMA P) = 137 MUB AND SIG(GAMMA N) = 126 MUB. STATISTICAL ERRORS.

Table 3

A-EFFECTIVE/A, USING SIG(GAMMA P) = 129 MUB AND SIG(GAMMA N) = 123 MUB. STATISTICAL ERRORS.


Pi0 and pi+ Production with Polarized Photons in the Energy Range 1-GeV - 2-GeV

Abrahamian, L.O. ; Avakian, R.O. ; Aganyants, Aleksandr O. ; et al.
Phys.Lett.B 48 (1974) 463-466, 1974.
Inspire Record 90760 DOI 10.17182/hepdata.43798

The asymmetry of π o and π + photoproduction from hydrogen has been measured. The π o -mesons were detected at 130° cms with E γ ranged from 0.9 to 1.65 GeV, and the π + -mesons at 40° cms with E γ ranged from 0.9 to 1.2 GeV. The results agree with model predictions of single pion photoproduction in the resonance region using fixed- t dispersion relations.

7 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////).

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Elastic scattering of low energy photons by protons and electromagnetic polarizability of proton

Baranov, P.S. ; Buinov, G.M. ; Godin, V.G. ; et al.
Pisma Zh.Eksp.Teor.Fiz. 19 (1974) 777-780, 1974.
Inspire Record 96876 DOI 10.17182/hepdata.70437

None

3 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////UNCERTAINTY IN DATA PROCESSING).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////UNCERTAINTY IN DATA PROCESSING).

Table 3

No description provided.


Measurements of k- p ---> anti-k0 n charge-exchange cross-sections at 25 and 35 gev/c

Belousov, V.I. ; Bolotov, B.N. ; Devishev, M.I. ; et al.
Phys.Lett.B 43 (1973) 76-78, 1973.
Inspire Record 84940 DOI 10.17182/hepdata.28127

Results are presented on the reaction K − p → K̄ o n for momenta above 20 GeV/ c . Events were identified by precise measurement of the opening angle in the decay K o → π + π − without using a magnetic field. The cross-section is described by a power energy dependence.

1 data table
Table 1

No description provided.


Elastic 1 gev proton scattering on k-39 and ca-40 nuclei

Alkhazov, G.D. ; Amalskii, G.M. ; Belostotskii, S.L. ; et al.
Zh.Eksp.Teor.Fiz. 18 (1973) 309-312, 1973.
Inspire Record 87607 DOI 10.17182/hepdata.37171

None

3 data tables
Table 1

X ERROR D(TARGET) = 96.97 PCT.

Table 2

X ERROR D(TARGET) = 93.08 PCT.


The total pair production cross-section of gamma-rays in hydrogen and deuterium

Rawlinson, W.R. ; Tait, N.R.S. ; Thompson, J.C. ; et al.
Nucl.Phys.B 45 (1972) 41-46, 1972.
Inspire Record 75026 DOI 10.17182/hepdata.32781

The total electromagnetic cross sections of g-rays in hydrogen and deuterium have been measured over the energy range 265–4215 MeV using a photon tagging system. From these measurements, the total pair production cross sections are obtained, and the results are found to be in good agreement with the predictions of Jost, Luttinger and Slotnick.

2 data tables
Table 1

Axis error includes +- 1/1 contribution.

Table 2

Axis error includes +- 1/1 contribution.


The total photon deuteron hadronic cross-section in the energy range 0.265-4.215 gev

Armstrong, T.A. ; Hogg, W.R. ; Lewis, G.M. ; et al.
Nucl.Phys.B 41 (1972) 445-473, 1972.
Inspire Record 75161 DOI 10.17182/hepdata.32884

The total cross section for photoproduction of hadrons on the deutron, σ T d , has been measured for photon energies in the range 0.265–40215 GeV. From this, using results for the photon total cross section, obtained previously with the same apparatus, the neutron total cross section has been determined in the resonance region. The resonant structure is found to be quite different from that for the proton. Thereafter the neutron cross section falls off steadily with energy, and the values obtained are consistently lower than those for the proton. Forward scattering amplitudes have been evaluated for the deuteron.

4 data tables
Table 1

No description provided.

Table 2

RESONANCE REGION. UNSMEARING CORRECTION APPLIED, GLAUBER CORRECTION NEGLIGIBLE.

Table 3

HIGHER ENERGY CROSS SECTIONS, IN 200 MEV BINS. OVERALL 3 PCT SYSTEMATIC ERROR IN ADDITION TO QUOTED STATISTICAL ERRORS. NEUTRON/PROTON CROSS SECTION RATIO HAS MEAN VALUE OF 0.94 +- 0.01.

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