Bruneton, C.
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Observation of increasing charged multiplicity as a function of transverse momentum in 28.5-gev/c p p interactions

Ramanauskas, A. ; Anderson, E.W. ; Fisher, G.P. ; et al.
Phys.Rev.Lett. 31 (1973) 1371-1374, 1973.
Inspire Record 83758 DOI 10.17182/hepdata.47029

We have measured the mean charged multiplicity n¯CH as a function of transverse momentum p⊥ of the forward proton in the reaction p+p→p+MM for five intervals of missing mass (MM) using our Multiparticle Argo Spectrometer System. We observe an increase of n¯CH for p⊥>1 GeV/c.

1 data table
Table 1

No description provided.


Low-momentum antiproton production at the CERN Proton Synchrotron

Kalmus, P.I.P. ; Eisenhandler, E. ; Gibson, W.R ; et al.
CERN-71-25, 1971.
Inspire Record 69690 DOI 10.17182/hepdata.50029

None

2 data tables
Table 1

proton-beryllium TOTAL cross section ( 278 mb ) was used for normalization.

Table 2

Proton-beryllium TOTAL (???) cross section ( 278 mb ) was used for normalization.


Inelastic electron-Proton Scattering at Large Momentum Transfers

Miller, Guthrie ; Bloom, Elliott D. ; Buschhorn, G. ; et al.
Phys.Rev.D 5 (1972) 528, 1972.
Inspire Record 67123 DOI 10.17182/hepdata.22355

Differential cross sections for electrons scattered inelastically from hydrogen have been measured at 18°, 26°, and 34°. The range of incident energy was 4.5 to 18 GeV, and the range of four-momentum transfer squared was 1.5 to 21 (GeVc)2. With the use of these data in conjunction with previously measured data at 6° and 10°, the contributions from the longitudinal and transverse components of the exchanged photon have been separately determined. The values of the ratio of the photoabsorption cross sections σSσT are found to lie in the range 0 to 0.5. The question of scaling of 2MpW1 and νW2 as a function of ω is discussed, and scaling is verified for a large kinematic range. Also, a new scaling variable which reduces to ω in the Bjorken limit is introduced which extends the scaling region. The behavior of σT and σS is also discussed as a function of ν and q2. Various weighted sum rules of νW2 are evaluated.

18 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (0. TO 2.////DUE TO PION CONTAMINATION).

Table 2

Axis error includes +- 0.0/0.0 contribution (0. TO 2.////DUE TO PION CONTAMINATION).

Table 3

Axis error includes +- 0.0/0.0 contribution (0. TO 2.////DUE TO PION CONTAMINATION).

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Observation of small angle proton proton elastic scattering at 30 gev and 45 gev center-of-mass energies

Holder, M. ; Radermacher, E. ; Staude, A. ; et al.
Phys.Lett.B 35 (1971) 355-360, 1971.
Inspire Record 69228 DOI 10.17182/hepdata.5781

Small angle elastic scattering events have been observed at the CERN Intersecting Storage Rings. Directions of both particles as well as the collision vertex are reconstructed with the help of four sets of spark chambers, two for each of the two arms. The elastic nature of the events is demonstrated by a collinearity requirement. We find values for the (diffraction) slope parameter in disagreement with the simple linear extrapolation of lower energy (Surpukov) data.

4 data tables
Table 1

NUMBER OF EVENTS 87364.

Table 2

NUMBER OF EVENTS 8305.

Table 3

No description provided.

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Production of xi- and antixi+ particles in k+ p collisions at 12.7 gev/c

Stone, S.L. ; Berlinghieri, J.C. ; Bromberg, C. ; et al.
Phys.Lett.B 32 (1970) 515-518, 1970.
Inspire Record 63098 DOI 10.17182/hepdata.28710

The cross section for the production of Ξ + particles in K + p interactions at 12.7 GeV/ c is 10 ± 3 μ b; the Ξ − production cross section is 2.5 ± 1.0 μ b; the upper limit on Ω − or Ω + production is 0.4 μb. The Ξ − are produced preferentially in the backward direction in the CM system while the Ξ + are produced mainly forward. The mass and lifetime of the Ξ + agree with the accepted values for the Ξ − hyperon.

1 data table
Table 1

Cross sections have been corrected for the detection probability of all observed hyperons involved in these reactions.


Angular dependence of k-l k-s regenerative scattering for copper and lead nuclei at high energies

Foeth, H. ; Holder, M. ; Radermacher, E. ; et al.
Phys.Lett.B 31 (1970) 544-548, 1970.
Inspire Record 63172 DOI 10.17182/hepdata.28805

Elastic and inelastic K L  S regenerative scattering on copper and lead nuclei have been observed up to a momentum transfer of 0.17 GeV/ c . The elastic differential cross-section is of a ”diffractive” type. It can be described successfully in terms of an optical model only assuming an appreciable neutron excess in the vicinity of the nuclear surface.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Determination of the total photon - proton cross-section from high-energy inelastic electron scattering

Bloom, Elliott D. ; Cottrell, R.Leslie ; Coward, D.H. ; et al.
SLAC-PUB-0653, 1969.
Inspire Record 54903 DOI 10.17182/hepdata.9945

None

11 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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MUON PROTON INELASTIC SCATTERING q**2 LESS THAN 1.2-GeV/c-**2

Dieterle, B. ; Braunstein, T. ; Cox, Jack ; et al.
Phys.Rev.Lett. 23 (1969) 1187-1190, 1969.
Inspire Record 54876 DOI 10.17182/hepdata.21667

The inelastic scattering of muons has been measured using positive muons of momentum 10 GeV/c incident upon a liquid-hydrogen target. We present values of the differential cross section and of the virtual photon-photon absorption cross section for |q| in the range 0.05 to 1.2 (GeV/c)2 and for equivalent photon laboratory energies of 0.6 to 6.5 GeV.

5 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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High-Energy Inelastic e p Scattering at 6-Degrees and 10-Degrees

Bloom, Elliott D. ; Coward, D.H. ; DeStaebler, H.C. ; et al.
Phys.Rev.Lett. 23 (1969) 930-934, 1969.
Inspire Record 54874 DOI 10.17182/hepdata.21635

Cross sections for inelastic scattering of electrons from hydrogen were measured for incident energies from 7 to 17 GeV at scattering angles of 6° to 10° covering a range of squared four-momentum transfers up to 7.4 (GeV/c)2. For low center-of-mass energies of the final hadronic system the cross section shows prominent resonances at low momentum transfer and diminishes markedly at higher momentum transfer. For high excitations the cross section shows only a weak momentum-transfer dependence.

9 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////FROM UNCERTAINTY IN ELECTRON-DETECTION EFFICIENCY).

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Elastic scattering and single-pion production in proton proton interactions at 6.92 bev/c

Alexander, G. ; Carmel, Z. ; Eisenberg, Y. ; et al.
Phys.Rev. 173 (1968) 1322-1329, 1968.
Inspire Record 55956 DOI 10.17182/hepdata.5540

Elastic scattering and single-pion production in pp collisions at 6.92 BeVc were studied in the BNL 80-in. hydrogen bubble chamber. Partial cross sections for the different final states are given. The reaction pp→nN1238*(pπ+) with σ=1.9±0.3 mb is analyzed and is in agreement with the modified one-pion-exchange model. Single-pion production can be explained as due mainly to two channels: (a) pp→N1238*(pπ+)n, and (b) pp→p(nπ+) or pp→p(pπ0), where the (nπ+) and (pπ0) pairs are in an I=12 state.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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