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Inelastic scattering of 390 MeV $\pi^+$ mesons from protons

Grigor'ev, E.L. ; Mitin, N.A. ;
Sov.Phys.JETP 10 (1960) 1123-1124, 1960.
Inspire Record 1498642 DOI 10.17182/hepdata.75443

None

1 data table match query
Table 1

No description provided.


The Scattering of $\pi^{+}-$ Mesons on Hydrogen. I. Angular Distributions at Energies of 176, 200, 240, 270 and 307 MeV

Mukhin, A. I. ; Ozerov, E. B. ; Pontecorvo ;
Sov.Phys.JETP 4 (1957) 237-250, 1957.
Inspire Record 1388439 DOI 10.17182/hepdata.1187

None

2 data tables match query
Table 1

No description provided.

Table 5

No description provided.


Elastic scattering of 360 MeV positive $\pi$ mesons by protons

Mitin, N.A. ; Grigor'ev, E.L. ;
Sov.Phys.JETP 5 (1957) 378, 1957.
Inspire Record 1387578 DOI 10.17182/hepdata.39796

Photographic plates were used to study the angular distribotion of 360 plus or minus 10 Mev pi /sup +/ mesons elastically scattered by protons. The differential cross sections derived from 218 scattering events for SP analysis and for SPD analysis are given. The phase shifts which correspond to these distributions are also given.

1 data table match query
Table 1

No description provided.


Positive pion-proton scattering at energies 176, 200, 240, 270, 307 and 310 Mev

Mukhin, A.I. ; Ozerov, E.B. ; Mitin, N.A. ; et al.
204-224, 1956.
Inspire Record 1186667 DOI 10.17182/hepdata.70406

None

1 data table match query
Table 1

No description provided.


Measures of the differential effective sections $\pi ±p$ to 410 MeV and 490 MeV forwards

Banner, M. ; Detoeuf, J.F. ; Fayoux, M.L. ; et al.
Nuovo Cim.A 50 (1967) 431-448, 1967.
Inspire Record 1185325 DOI 10.17182/hepdata.896

Measurements of π±p elastic differential cross-sections have been performed in the forward direction, using a missing-mass spark chamber spectrometer. The films have been seanned by an automatic apparatus. A phase-shift analysis of the experimental data has been done, leading to three solutions. Various experiments are proposed in order to resolve the ambiguities.

2 data tables match query
Table 1

No description provided.

Table 3

No description provided.


A TABULATION OF PION - NUCLEON FORWARD AMPLITUDES UP TO 30-GeV/c

Carter, A.A. ; Carter, J.R. ;
RL-73-024, 2006.
Inspire Record 44589 DOI 10.17182/hepdata.75551

None

8 data tables match query
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Spin rotation parameters A and R for pi+ p and pi- p elastic scattering from 427-MeV/c to 657-MeV/c

Supek, I. ; Barlow, D.B. ; Briscoe, W.J. ; et al.
Phys.Rev.D 47 (1993) 1762-1775, 1993.
Inspire Record 362062 DOI 10.17182/hepdata.22623

The spin-rotation parameters A and R and the related spin-rotation angle β have been measured for π+p and π−p elastic scattering using protons polarized in the scattering plane. The pion-beam momenta are 427, 471, 547, 625, and 657 MeV/c and the angular range is −0.9≤cosΘc.m.≤0.3. The scattered pion and recoil proton were detected in coincidence, using a scintillator hodoscope for the pions, and the Large Acceptance Spectrometer combined with the JANUS polarimeter for the recoil protons. The results are compared with the four recent πN partial wave analyses (PWA's). Our data show that the major features of these PWA's are correct. The A and R measurements complete our program of pion-nucleon experiments, providing full data sets at three of the above beam momenta. Such sets can be used to test the constraints in the PWA's or to obtain a model-independent set of πN scattering amplitudes.

6 data tables match query
Table 1

BETA is the spin-rotation angle.

Table 2

BETA is the spin-rotation angle.

Table 3

BETA is the spin-rotation angle.

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Polarized target asymmetry in pion proton bremsstrahlung at 298-MeV

Bosshard, A. ; Amsler, Claude ; Bistirlich, J.A. ; et al.
Phys.Rev.Lett. 64 (1990) 2619-2622, 1990.
Inspire Record 303404 DOI 10.17182/hepdata.22827

First data are presented for the polarized-target asymmetry in the reaction π+p→π+pγ at an incident pion energy of 298 MeV. The geometry was chosen to maximize the sensitivity to the radiation of the magnetic dipole moment μΔ of the Δ++(1232 MeV). A fit of the asymmetry in the cross section d5σ/dΩπ dΩγ dk as a function of the photon energy k to predictions from a recent isobar-model calculation with μΔ as the only free parameter yields μΔ=1.64(±0.19expΔ,±0.14 theor)μp. Though this value agrees with bag-model corrections to the SU(6) prediction μΔ=2μp, further clarifications on the model dependence of the result are needed, in particular since the isobar model fails to describe both the cross section and the asymmetry at the highest photon energies.

2 data tables match query
Table 1

No description provided.

Table 2

No description provided.


Recoil Proton Polarization in $\pi P$ Elastic Scattering at 547-{MeV}/c and 625-{MeV}/c

Seftor, C.J. ; Adrian, S.D. ; Briscoe, W.J. ; et al.
Phys.Rev.D 39 (1989) 2457-2463, 1989.
Inspire Record 282265 DOI 10.17182/hepdata.23234

The polarization of the recoil proton in π+p and π−p elastic scattering using a liquid-hydrogen target has been measured for backward angles at 547 and 625 MeV/c. The scattered pion and recoil proton were detected in coincidence using the large-acceptance spectrometer to detect and analyze the momentum of the pions and the JANUS polarimeter to identify and measure the polarization of the protons. Results from this experiment agree with other measurements of the recoil polarization, with analyzing-power data previously taken by this group, and with predictions of partial-wave analyses.

2 data tables match query
Table 1

No description provided.

Table 2

No description provided.


Differential Cross-sections for $\pi^+ P$ and $\pi^- P$ Elastic Scattering From 378-{MeV}/c to 687-{MeV}/c

Sadler, M.E. ; Briscoe, W.J. ; Fitzgerald, D.H. ; et al.
Phys.Rev.D 35 (1987) 2718-2735, 1987.
Inspire Record 250023 DOI 10.17182/hepdata.23362

Differential cross sections have been measured for π+p and π−p elastic scattering at 378, 408, 427, 471, 509, 547, 586, 625, 657, and 687 MeV/c in the angular range -0.8<cosθc.m.<0.8. The scattered pion and recoil proton were detected in coincidence using scintillation-counter hodoscopes. A liquid-hydrogen target was used except for measurements at forward angles, in which a CH2 target was used. Statistical uncertainties in the data are typically less than 1%. Systematic uncertainties in acceptance and detection efficiency are estimated to be 1%. Absolute normalization uncertainties are 2–3 % for most of the data. The measurements are compared with previous data and with the results of recent partial-wave analyses. The data are fit with Legendre expansions from which total elastic cross sections are obtained.

13 data tables match query
Table 2

Normalisation uncertainty = 4.1 pct.

Table 3

Normalisation uncertainty = 2.1 pct.

Table 4

Normalisation uncertainty = 3.6 pct.

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