Flatte, Stanley M.
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EVIDENCE FOR A NARROW RESONANCE AT A MASS OF 1935-MeV IN THE anti-p p TOTAL CROSS-SECTION

Sakamoto, S. ; Hashimoto, T. ; Sai, F. ; et al.
PRINT-78-0835 (TOKYO), 1978.
Inspire Record 131202 DOI 10.17182/hepdata.34611

None

1 data table
Table 1

No description provided.


Precise Tests of Triple Regge Theory From $\pi^0$ and $\eta$ Inclusive Production in 100-{GeV}/$c \pi^\pm p$ Collisions

Barnes, A.V. ; Fox, G.C. ; Kennett, R.G. ; et al.
Phys.Rev.Lett. 41 (1978) 1260, 1978.
Inspire Record 131753 DOI 10.17182/hepdata.13342

We present data on π0 and η inclusive production from 100-GeV/c π±p collisions in the kinematic region x>~0.7 and 0<−t≲4 (GeV/c)2. The results are in excellent agreement with the predictions of triple-Regge theory and we have extracted the ρ and A2 trajectories out to −t=4 (GeV/c)2.

39 data tables
Table 1

No description provided.

Table 2

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Table 3

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400 GeV/c pp Elastic Scattering: Energy and Angle Dependence at High Momentum Transfer

Conetti, S. ; Hojvat, C. ; Ryan, D.G. ; et al.
Phys.Rev.Lett. 41 (1978) 924, 1978.
Inspire Record 131549 DOI 10.17182/hepdata.20819

Proton-proton elastic scattering at 400 GeV/c has been measured in the region 5.4<−t<14.4 GeV2 with no sign of a second dip or "break." If the data are fitted by exp(At), the slope A decreases from 1.5±0.1 to 0.7±0.2 GeV−2 over the range. At fixed t the 400-GeV/c cross sections are about 0.6 times those at 200 GeV/c in this t range. At fixed θc.m.=15°, dσdt∝s−n where n=9.7±0.3.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


MESON RESONANCE PRODUCTION IN p p INTERACTIONS AT s**(1/2) OF 53-GeV

Alder, J.C. ; Block, M. ; Bohm, A. ; et al.
PRINT-78-0819 (CERN), 1978.
Inspire Record 131140 DOI 10.17182/hepdata.47305

None

1 data table
Table 1

No description provided.


XI- INCLUSIVE PRODUCTION IN K- p INTERACTIONS AT 8.25-GeV/c

The Birmingham-CERN-Glasgow-Michigan State-Paris collaboration Baubillier, M. ; Bloodworth, I.J. ; Bossen, G.J. ; et al.
LPNHEP-78-4, 1978.
Inspire Record 130775 DOI 10.17182/hepdata.70476

None

1 data table
Table 1

No description provided.


Measurement and Analysis of the Reaction $\pi^- p \to \rho^0 n$ on a Polarized Target

The CERN-Munich collaboration Becker, H. ; Blanar, G. ; Blum, W. ; et al.
Nucl.Phys.B 150 (1979) 301-325, 1979.
Inspire Record 132603 DOI 10.17182/hepdata.34819

The reaction π − p→ π + π − n has been measured in a high-statistics experiment on a transversely polarized proton target at 17.2 GeV, and unexpectedly large nucleon polarization effects have been observed. Combining the results of this experiment with a measurement on a hydrogen target allows a model-independent partial-wave analysis in terms of the “nucleon transversity” amplitudes. Unique or at most twofold ambiguous solutions are obtained. In particular we find a high lower limit ( ⪆30% ) of the spin non-flip unnatural exchange amplitudes at low | t |. These amplitudes, interpreted as being due to the exchange of an object with the quantum numbers of the A 1 , have been assumed to be absent in previous analyses. In checking the consequences of this finding on the old results, we test the validity of the rank-two assumotions for the density matrix. We find a small but significant deviation, which shows the need for a new phase-shift analysis including the A 1 exchange contribution.

2 data tables
Table 1

MASS DEPENDENCE OF NORMALIZED T-CHANNEL MOMENTS SCALED TO 100 PCT POLARIZED PROTONS.

Table 2

T DEPENDENCE OF NORMALIZED T-CHANNEL MOMENTS IN THE RHO REGION SCALED TO 100 PCT POLARIZED PROTONS.


rivet Analysis
Charged Pion, Kaon and Nucleon Production by e+ e- Annihilation for C.M. Energies Between 3.6-GeV and 5.2-GeV

The DASP collaboration Brandelik, R. ; Braunschweig, W. ; Martyn, H.U. ; et al.
Nucl.Phys.B 148 (1979) 189-227, 1979.
Inspire Record 132045 DOI 10.17182/hepdata.34826

Inclusive production of ifπ ± , K ± and p has been studied near charm threshold for c.m. energies between 3.6 and 5.2 GeV. Differential and scaling cross sections together with particle multiplicities have been determinated. By comparing data below and above charm threshold the charm contribution to if π ± and K ± production has been extracted. A comparison has been made between inclusice p production and inelastic electron-proton scattering. To study differences between three-gluon annihilation and two-quark production of the spectra from J/ decay and from non-resonant production at 3.6 GeV has been compared.

35 data tables
Table 1

No description provided.

Table 2

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Table 3

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A Study of Inclusive $\Lambda$, $\Sigma^0$ and $\Sigma(1385)$ Production in $K^- p$ Interactions at 8.25-{GeV}/$c$

The Birmingham-CERN-Glasgow-Michigan State-Paris collaboration Baubillier, M ; Bloodworth, I.J ; Bossen, G.J ; et al.
Nucl.Phys.B 148 (1979) 18-40, 1979.
Inspire Record 132295 DOI 10.17182/hepdata.8128

Inclusive Λ production has been studied in K − p interactions at 8.25 GeV/ c using about 69 000 events; the total cross section is found to be 3.35 ± 0.20 mb. A comparison has been made with Σ 0 and Σ(1385) inclusive production. Their influence on the inclusive Λ production is discussed. The inclusive Λ cross section and polarization is interpreted in terms of the triple-Regge model. In the target fragmentation region an effective Regge trajectory is determined which lies closer to the K than to the K ∗ . In the beam fragmentation region the cross-section data indicate an effective Regge trajectory which corresponds to the nucleon, while the polarization data require additional Regge exchanges to be present.

8 data tables
Table 1

No description provided.

Table 2

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Table 3

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INVESTIGATION OF ELASTIC ELECTRON - PROTON SCATTERING IN THE REGION OF SQUARED MOMENTUM TRANSFERS 0.12-F**-2 <= q**2 <= 0.5-F**-2

Akimov, Yu.K. ; Arvanov, A.N. ; Badalian, G.V. ; et al.
Sov.J.Nucl.Phys. 29 (1979) 474, 1979.
Inspire Record 133691 DOI 10.17182/hepdata.18481

None

1 data table
Table 1

No description provided.


A Precise Measurement of the $\Lambda^0$ Magnetic Moment

Schachinger, L. ; Bunce, G. ; Cox, P.T. ; et al.
Phys.Rev.Lett. 41 (1978) 1348, 1978.
Inspire Record 131342 DOI 10.17182/hepdata.20862

The magnetic moment of the Λ0 hyperon has been measured to be μΛ=(−0.6138±0.0047)μN.

1 data table
Table 1

No description provided.