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PHENOMENOLOGICAL MULTIPOLAR ANALYSIS OF THE REACTION GAMMA p---> p pi0 IN ENERGY INTERVALS FROM THRESHOLD TO e (gamma) = 1200-MeV

Konovalov, O.G. ; Omelaenko, A.S. ; Sorokin, P.V. ;
KhFTI-84-23, 1984.
Inspire Record 211003 DOI 10.17182/hepdata.38330

None

1 data table
Table 1

No description provided.


ELECTROPRODUCTION OF ETA MESONS IN THE REGION OF THE RESONANCE S11 (1535) AT MOMENTUM TRANSFERS OF 2-GEV**2 AND 3-GEV**2

Brasse, F.W. ; Flauger, W. ; Gayler, Joerg ; et al.
Z.Phys.C 22 (1984) 33-38, 1984.
Inspire Record 203579 DOI 10.17182/hepdata.16229

We report on results of η-electroproduction in the resonance region at momentum transfers ofQ2=2 GeV2 and 3 GeV2. The differential cross sections obtained in the region of the second nucleon resonance strongly support the dominance of theS11(1535) in this channel. The total transverse virtual photoproduction cross section of theS11(1535) shows a flatQ2-dependence ∼e−0.39·Q2. Comparison with the total resonant γvp cross section in the second resonance region aroundW=1.5 GeV shows that theD13(1520) production decreases much faster (∼e−1.6·Q2). The data are not compatible with the simple harmonic oscillator quark model with spin and orbit excitation of a quark only.

23 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

More…

EVIDENCE FOR A NONTENSOR (Q ANTI-Q) MESON AT 1410-MEV PRODUCED IN THE REACTION PI- P ---> K0(S) K0(S) N AT 63-GEV

The ACCMOR collaboration Daum, C. ; Hertzberger, L.O. ; Hoogland, W. ; et al.
Z.Phys.C 23 (1984) 339-347, 1984.
Inspire Record 204305 DOI 10.17182/hepdata.16225

We present an analysis of theKs0Ks0 system produced in the reaction π−p→Ks0Ks0n at 63 GeV based on ∼700 events in the kinematical region of |t|<0.5 GeV2. We concentrate on masses between 1,200 and 1,600 MeV where a double maximum structure is observed. Performing an amplitude analysis in this mass interval we find thatS,D0 andD+ waves contribute to the mass spectrum at approximately equal strength. The peaks are attributed to spin 2 waves. However, we failed to explained them by interferingf(1270),A2(1310) andf′(1520) resonances alone. While the first peak can be associated withf(1270)−A2(1310) production, an additional tensor meson is needed with mass of ∼1410 MeV and a narrow width for a description of the second one. The analysis as well as the energy dependence deduced from some publishedKs0Ks0 mass spectra suggests this object to be dominantly produced by a natural parity exchange. Because the 2++\(q\bar q\) nonet is already complete the nature of the new tensor meson is an open question.

1 data table
Table 1

No description provided.


CROSS-SECTION FOR THE INVERSE BETA DECAY OF THE PROTON FROM NUCLEAR REACTOR MEASUREMENTS

Afonin, A.I. ; Bogatov, S.A. ; Borovoi, A.A. ; et al.
JETP Lett. 38 (1983) 436-438, 1983.
Inspire Record 205424 DOI 10.17182/hepdata.16912

None

1 data table
Table 1

Axis error includes +- 9./9. contribution.


ON THE POSSIBILITY TO STUDY ELECTROMAGNETIC PROPERTIES OF NEUTRAL PIONS IN THE EXPERIMENTS WITH ELECTRON - POSITRON COLLIDING BEAMS

Belkov, A.A. ; Kuraev, E.A. ; Pervushin, V.N. ;
Yad.Fiz. 40 (1984) 1483-1494, 1984.
Inspire Record 200136 DOI 10.17182/hepdata.17646

None

1 data table
Table 1

No description provided.


TOPOLOGICAL CROSS-SECTIONS OF HE-3 P INTERACTION AND THE ELASTIC HE-3 P SCATTERING AT THE MOMENTUM OF 5-GEV/C. (IN RUSSIAN)

Blinov, A.V. ; Vanyushin, I.A. ; Grechko, V.E. ; et al.
Yad.Fiz. 39 (1984) 260-263, 1984.
Inspire Record 206497 DOI 10.17182/hepdata.17669

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


DETERMINATION OF CROSS-SECTIONS OF STRANGE PARTICLE PRODUCTION CHANNELS IN ANTI-P P INTERACTIONS AT 32-GeV/c. (IN RUSSIAN)

Bogolyubsky, M.Yu. ; Boos, E.G. ; Borovikov, A.A. ; et al.
Yad.Fiz. 39 (1984) 1436-1447, 1984.
Inspire Record 209441 DOI 10.17182/hepdata.17683

None

1 data table
Table 1

No description provided.


rivet Analysis
STUDY OF THE REACTION E+ E- ---> PI+ PI- IN THE ENERGY RANGE FROM 640-MEV - 1400-MEV

Kurdadze, L.M. ; Lelchuk, M.Yu. ; Pakhtusova, E.V. ; et al.
Sov.J.Nucl.Phys. 40 (1984) 286-295, 1984.
Inspire Record 208231 DOI 10.17182/hepdata.17648
1 data table
Table 1

Axis error includes +- 0.0/0.0 contribution (?////NOT GIVEN).


MEASUREMENT OF ASYMMETRY IN CROSS-SECTION OF GAMMA P ---> P PI0 REACTION IN THE RESONANCE REGION. (IN RUSSIAN)

Avakian, R.O. ; Avetisian, A.E. ; Bagdasaryan, A.S. ; et al.
Yad.Fiz. 38 (1983) 1196-1198, 1983.
Inspire Record 200187 DOI 10.17182/hepdata.17731

None

1 data table
Table 1

Axis error includes +- 0.0/0.0 contribution (?////DUE TO ERRORS IN PHOTON POLARIZATION).


STRUCTURE FUNCTIONS OF THE NUCLEI C-12, Cu-63, Pb-208 IN THE CUMULATIVE PROTON PHOTOPRODUCTION

Alanakian, K.V. ; Amarian, M.J. ; Demirchyan, R.A. ; et al.
Yad.Fiz. 41 (1985) 353-356, 1985.
Inspire Record 201858 DOI 10.17182/hepdata.18443

None

2 data tables
Table 1

No description provided.

Table 2

MISPRINT IN TAB.1 IN YV AT XV=0.763, CORRECTED BY VVE FROM GRAPH.