Jain, P.L
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n-p Elastic Charge Exchange in the BeV Energy Region

Palevsky, H. ; Moore, J.A. ; Stearns, R.L. ; et al.
Phys.Rev.Lett. 9 (1962) 509-511, 1962.
Inspire Record 46894 DOI 10.17182/hepdata.209

None

6 data tables
Table 1

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Table 2

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Table 3

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STUDY OF p p INTERACTIONS AT 28.5-BeV/c IN TWO AND FOUR PRONG FINAL STATES

Connolly, P.L. ; Ellis, W.E. ; Hough, Paul V.C. ; et al.
C671122-2, 1967.
Inspire Record 1100201 DOI 10.17182/hepdata.50281

None

1 data table
Table 1

'1'. '2'. '3'.


Pi- photoproduction from deuterium at laboratory energies 600 to 1250 mev

Scheffler, P.E. ; Walden, P.L. ;
Phys.Rev.Lett. 24 (1970) 952-954, 1970.
Inspire Record 62962 DOI 10.17182/hepdata.32219

The differential cross section for the reaction γ+n→π−+p was measured for laboratory photon energies between 600 and 1250 MeV, using a liquid deuterium target. The internal nucleon momentum distribution of the deuteron was used to calculate the major effect of using deuterium as a neutron target. The data show that the amplitude to excite the F15(1688) resonance is small, in agreement with a recent quark-model prediction.

29 data tables
Table 1

No description provided.

Table 2

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Table 3

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Measurement of the polarization parameter in pi+- p, k+- p, p p, and anti-p p elastic scattering at 6 gev/c

Borghini, M. ; Dick, L. ; Di Lella, L. ; et al.
Phys.Lett.B 31 (1970) 405-409, 1970.
Inspire Record 63191 DOI 10.17182/hepdata.6078

Experimental results are presented for the polarization parameter P 0 in π ± p , K ± p , pp, and p ̄ p elastic scattering at 6 GeV/ c , and in the range of the invariant four-momentum transfer squared − t from 0.05 to ∼ 2.0 (GeV/ c ) 2 .

2 data tables
Table 1

'1'. '2'. '3'. '4'.

Table 2

No description provided.


Study of the two-charged-particle final states of 3.9-gev/c pi+- p interactions including a longitudinal-momentum analysis of the one-pion- production channels

Bastien, P.L. ; Carmel, Z. ; Dao, F.T. ; et al.
Phys.Rev.D 3 (1971) 2047-2064, 1971.
Inspire Record 68000 DOI 10.17182/hepdata.23677

We have analyzed the two-prong final states in π+p interactions at 3.9 GeVc. Our result for elastic scattering is σ (elastic) = 6.50±0.1 mb (statistical error only). We find the elastic slope to be 6.61±0.14 (GeVc)−2. We find the elastic forward cross section to be 40.0±1.4 mb(GeVc)2. We have applied a longitudinal-momentum analysis to the one-pion-production channel. We find the cross section for the reaction π++p→π++π0+p to be 2.30±0.06 mb and that for π++p→π++π++n to be 1.45±0.05 mb. For resonance-production cross sections in these channels we find Δ(1236)=0.60±0.07 mb, ρ(760)=0.86±0.06 mb, and diffraction dissociation = 1.69±0.11 mb. We find that we can satisfactorily fit all distributions in the one-pion-production channel without assuming any phase-space production. In the missing-mass channel we observe dominant Δ++(1236) production plus evidence for A2+ production.

15 data tables
Table 1

No description provided.

Table 2

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Table 3

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Polarization parameter in k+- p and anti-p p elastic scattering at 10 and 14 gev/c

Borghini, M. ; Dick, L. ; Olivier, J.C. ; et al.
Phys.Lett.B 36 (1971) 497-500, 1971.
Inspire Record 69141 DOI 10.17182/hepdata.37261

Results on polarization in K − p, K + p and p̄p forward elastic scattering at 10 and 14 GeV/ c are presented.

6 data tables
Table 1

No description provided.

Table 2

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Table 3

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Polarization in proton proton elastic scattering at 10, 14 and 17.5 gev/c

Borghini, M. ; Dick, L. ; Olivier, J.C. ; et al.
Phys.Lett.B 36 (1971) 501-503, 1971.
Inspire Record 69146 DOI 10.17182/hepdata.37233

Data on the polarization parameter in pp elastic scattering in the | t |-range from ∼0.1 to ∼ 2.9 (GeV/ c ) 2 and at 10, 14 and 17.5 GeV/ c are presented.

3 data tables
Table 1

No description provided.

Table 2

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Table 3

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Measurement of the polarization parameter in pi+ p elastic scattering at 10, 14 and 17.5 gev/c and for /t/ >=2(gev/c)-squared

Borghini, M. ; Dick, L. ; Olivier, J.C. ; et al.
Phys.Lett.B 36 (1971) 493-496, 1971.
Inspire Record 69147 DOI 10.17182/hepdata.37236

Results on polarization in π − p and π + p forward elastic scattering at 10, 14 and 17.5 GeV/ c are presented.

5 data tables
Table 1

No description provided.

Table 2

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Table 3

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Further evidence for the decay mode x(0) ---> gamma gamma and determination of the branching ratio x(0) ---> gamma gamma/ x(0) ---> total

Basile, M. ; Bollini, D. ; Dalpiaz, P. ; et al.
Nucl.Phys.B 33 (1971) 29-41, 1971.
Inspire Record 68511 DOI 10.17182/hepdata.33085

41 ± 8 events of the type X 0 → γγ have been observed in a study of the reaction π − p → n(X 0 → γγ ) at 1.6 GeV/ c incident π -momentum. This provides further evidence to our previous observation of this new X 0 decay mode and allows the determination of the branching ratio Γ(X 0 →γγ) Γ(X 0 → total =(1.7 ± 0.4)%. The theoretical implications of this result are discussed.

1 data table
Table 1

THIS MEASUREMENT WHEN COMBINED WITH THE ETAPRIME PRODUCTION CROSS SECTION OF M. BASILE ET AL., NC 3A, 371 (1971) YIELDS A BR(ETAPRIME --> 2GAMMA) OF 1.7 +- 0.4 PCT.


Measurement of the x0 cross-sections in pi- p interactions at 1.6 gev/c (x0 ---> neutrals)/(x0 ---> total)

Basile, M. ; Bollini, D. ; Dalpiaz, P. ; et al.
Nuovo Cim.A 3 (1971) 371-384, 1971.
Inspire Record 71622 DOI 10.17182/hepdata.37600

The reactions π−p→ n+(X0→total) and π−p→ n+(X0→neutrals) have been studied at 1.6 GeV/c with the Bologna-CERN neutron missing-mass spectrometer. Both reactions have been detected without the use of visual techniques. The results are: σ(X0→total)=(108±14) μb and σ(X0→neutrals)=(20.0±3.5) μb, giving a branching ratio Γ(X0→neutrals)/Γ(X0→total)=(18.5±2.2)%. The branching ratio for other possible, so far undetected, neutral decay modes of the X0 turns out to be (2.4±1.9)%.

1 data table
Table 1

No description provided.