Date

STUDY OF REACTIONS WITH NEUTRON PRODUCTION IN P P AND P D COLLISIONS AT 1-GEV. (IN RUSSIAN)

Baturin, V.N. ; Koptev, V.P. ; Maev, E.M. ; et al.
Yad.Fiz. 31 (1980) 396-402, 1980.
Inspire Record 157175 DOI 10.17182/hepdata.18077

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11 data tables

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Measurement of the Spin Parameters a and A(nn) in $p p$ Elastic Scattering in the 1-{GeV}/$c$ to 3-{GeV}/$c$ Region

Bell, D.A. ; Buchanan, J.A. ; Calkin, M.M. ; et al.
Phys.Lett.B 94 (1980) 310-314, 1980.
Inspire Record 153380 DOI 10.17182/hepdata.27194

We have measured the asymmetry parameter A and the spin correlation parameter A nn in pp elastic scattering, using the Argonne ZGS polarized proton beam and a polarized proton target. Angular distributions of A and A nn for | t | ≳ 0.2 (GeV/ c ) 2 were obtained at eight momenta between 1.10 and 2 if 2.75 GeV/ c . We find significant structure in both the energy and t -dependence of A nn at these energies. At p lab ≈ 1.34 GeV/ c A nn reaches a very large value of about 0.8–0.9 near θ cm = 90°.

8 data tables

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Measurement of Dimuon Production at the {ISR}

Antreasyan, D. ; Atwood, W. ; Battiston, R. ; et al.
Phys.Rev.Lett. 45 (1980) 863, 1980.
Inspire Record 153857 DOI 10.17182/hepdata.20656

Prompt dimuon production has been measured. Events with mass up to 25 GeV/c2 are observed, as well as the J and ϒ resonances. Cross sections are given for J and ϒ production. For the continuum, the scaling function F(τ) is measured at very small values of τ=ms covering the range 0.05<τ<0.20.

3 data tables

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HERE UPSILON = ALL USILON FAMILY. ANGULAR DISTBN. IS SEEN TO BE ISOTROPIC.

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Polarization in Charge Exchange Reaction $\pi^- p \to \pi^0 n$ in Small Momentum Transfer Range at 40-{GeV}/$c$

Apokin, V.D. ; Avvakumov, I.A. ; Bagaturiya, Yu.Sh. ; et al.
Experientia Suppl. 38 (1981) 554, 1981.
Inspire Record 154047 DOI 10.17182/hepdata.11048

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2 data tables

AVERAGE TARGET POLARIZATION WAS 76 +- 3 PCT.

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RESONANCE AMPLIFICATION EFFECT IN CUMULATIVE NUCLEON SPECTRA FROM THE REACTION PI- D ---> PI- P N. (IN RUSSIAN)

Dakhno, L.G. ; Kravtsov, A.V. ; Makarov, M.M. ; et al.
Zh.Eksp.Teor.Fiz. 34 (1981) 296-300, 1981.
Inspire Record 171909 DOI 10.17182/hepdata.16947

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4 data tables

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'LEADING' PARTICLES IN PROTON NUCLEUS INTERACTIONS AT P (0) = 3.1-GeV/c AND 4.5-GeV/c. (IN RUSSIAN)

Basova, E.S. ; Bengus, L.E. ; Bondarenko, R.A. ; et al.
Yad.Fiz. 34 (1981) 1524-1529, 1981.
Inspire Record 173072 DOI 10.17182/hepdata.17786

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4 data tables

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SEARCH FOR A NARROW RESONANCE IN E+ E- ANNIHILATION AROUND 1.5-GEV

Baldini-Celio, R. ; Battistoni, G. ; Capon, G. ; et al.
Lett.Nuovo Cim. 30 (1981) 337-341, 1981.
Inspire Record 170173 DOI 10.17182/hepdata.37341

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1 data table

UNNORMALIZED MULTIHADRON TOTAL CROSS SECTION ENERGY SCAN.


Experimental Study of Electroweak Parameters at {PETRA} Energies (12-{GeV} $< E_{CMS} <$ 36.7-{GeV})

The MARK-J collaboration Barber, D.P. ; Becker, U. ; Bei, G.D. ; et al.
Phys.Rev.Lett. 46 (1981) 1663, 1981.
Inspire Record 164675 DOI 10.17182/hepdata.3303

We have performed a high-statistics measurement of Bhabha scattering and of the production of hadrons in electron-positron annihilation at PETRA energies (12 GeV<~s<~36.7 GeV). Combining the results with measurements of μ+μ− and τ+τ− production enables us to compare our results with electroweak theory. We find sin2θw=0.27±0.08. This is in good agreement with the value obtained from neutrino experiments which were carried out in entirely different kinematic regions.

5 data tables

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ASYMMETRY WAS USED.

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Dimuon Scaling Comparison at 44-{GeV} and 62-{GeV}

Antreasyan, D. ; Becker, U. ; Bellettini, G. ; et al.
Phys.Rev.Lett. 48 (1982) 302, 1982.
Inspire Record 168182 DOI 10.17182/hepdata.20610

Measurements of pp→μ+μ−+X at s=44 and 62 GeV are compared. The data are taken under identical conditions utilizing clean proton-proton collisions from the CERN intersecting storage rings and confirm scaling to 5%. The observed μ+μ− yield is a factor of 1.6±0.2 larger than estimated from a simple parton model but is consistent with QCD. The pT dependence of the muon pairs agrees well with expectations from QCD.

1 data table

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SPECTRA OF FAST PROTONS PRODUCED IN THE REACTION P A ---> P X AT THE ANGLE OF 62-MRAD

Barabash, L.Z. ; Buklei, A.E. ; Gavrilov, V.B. ; et al.
Sov.J.Nucl.Phys. 36 (1982) 90-92, 1982.
Inspire Record 182183 DOI 10.17182/hepdata.2645

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24 data tables

STATISTICAL ERROR DOES NOT EXHAUST 3 PCT.

STATISTICAL ERROR DOES NOT EXHAUST 3 PCT.

STATISTICAL ERROR DOES NOT EXHAUST 3 PCT.

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