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Large-Angle Elastic Scattering of Negative Pions by Protons at 1.51, 2.01, and 2.53 Bev/c

Lai, Kwan Wu ;
PhD Thesis, Michigan U., 1963.
Inspire Record 1408825 DOI 10.17182/hepdata.70519

The differential elastic scattering cross sections for negative pions on ; protons were measured at incident momenta of 1.51, 2.01, and 2.53 Bev/c with ; emphasis on the angular region outside the diffraction peak. The purpose of the ; experiment was to examine the behavior of the largeangle differential elastic ; cross section as a function of energy from the energy of the highest known ; resonance in the pion-nucleon system into the region where the total. cross ; sections appear to be approaching an asymptotic value. The experiment was ; performed at the Bevatron, using a luminescent chamber system to photograph the ; tracks of the scattered pion and the recoil proton from a liquid hydrogen target. ; A total of 2412 elastic scatterings were analyzed at 1.51 Bev/c, 1300 events at ; 2.01 Bev/c, and 1080 events at 2.53 Bev/c. From the existing data it may be ; noted that the backward bump, which has a maximum height of 2.1 mb/sr at 900 Mev ; and 1.1 mb/sr at 1020 Mev, is down to 0.4 mb/sr at 1.51 Bev/c (1.37 Bev), and is ; not present at 2.01 or 2.53 Bev/c. The angular distributions behind the ; diffraction peak at 2.01 and 2.53 Bev/c are rougly constant, decreasing from 0.18 ; mb/sr at 2.01 Bev/c to 0.125 mb/sr at 2.53 Bev/c. Although the data can be taken ; to suggest some oscillatory structure in this region, they are not inconsistent ; with an isotropic distribution that might be interpreted as evidence for an S-; wave scattering behind the diffraction peak. Large-Angle Elastic Scattering of Negative Pions by Protons at 1.51, 2.01, and 2.53 Bev/c.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


The $\pi^- p$ reaction around the $\Lambda^0 K^0$ threshold

Crittenden, R.R. ; Martin, H.J. ; Musgrave, B. ;
116-123, 1963.
Inspire Record 1407768 DOI 10.17182/hepdata.70311

None

1 data table
Table 1

No description provided.


Elastic scattering in pi- p collisions at 604 MeV

Riley, Benny R. ;
PhD Thesis, U. Kentucky, Lexington, 1963.
Inspire Record 1408826 DOI 10.17182/hepdata.70524

None

1 data table
Table 1

No description provided.


DIFFERENTIAL DISTRIBUTIONS OF NEUTRONS IN INELASTIC pi- p INTERACTIONS AT 374-MeV, 417-MeV and 454-MeV

Kurz, Richard J. ;
UCRL-10564, 1962.
Inspire Record 1087520 DOI 10.17182/hepdata.18512

None

1 data table
Table 1

No description provided.


Evidence for Vector-Meson Effects on pi0 Photoproduction From Hydrogen

Talman, R.M. ; Clinesmith, C.R. ; Gomez, R. ; et al.
Phys.Rev.Lett. 9 (1962) 177-180, 1962.
Inspire Record 944904 DOI 10.17182/hepdata.19353

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Photoproduction of $K^+$ mesons in hydrogen

Anderson, R.L. ; Gabathuler, E. ; Jones, D. ; et al.
Phys.Rev.Lett. 9 (1962) 131-133, 1962.
Inspire Record 44754 DOI 10.17182/hepdata.19407

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


High-Energy Proton Scattering from Carbon and Deuterium

Cocconi, G. ; Diddens, A.N. ; Lillethun, E. ; et al.
Phys.Rev. 126 (1962) 277-278, 1962.
Inspire Record 944981 DOI 10.17182/hepdata.26781

The momentum spectra of protons scattered from carbon and deuterium at angles close to 60 mrad and for incident proton momenta between 12 and 27 Gev/c have been measured. The data show good agreement with calculations based on plural quasi-elastic proton-nucleon scattering within the nucleus.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


SCATTERING OF 310-Mev POSITIVE PIONS BY PROTONS: EXPERIMENTS AND ANALYSIS

Rogers, Ernest H. ;
UCRL-10127, 1962.
Inspire Record 44325 DOI 10.17182/hepdata.18576

None

1 data table
Table 1

No description provided.


Neutral Pion Production by 960-Mev Negative Pions

Weinberg, A. ; Brenner, A.E. ; Strauch, K. ;
Phys.Rev.Lett. 8 (1962) 70-72, 1962.
Inspire Record 944905 DOI 10.17182/hepdata.162

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


PHOTOPRODUCTION OF POSITIVE PIONS FROM HYDROGEN NEAR THRESHOLD

Lewis, G.M. ; Azuma, R.E. ; Gabathuler, E. ; et al.
Phys.Rev. 125 (1962) 378, 1962.
Inspire Record 8499 DOI 10.17182/hepdata.26792

The variation of the differential cross section for π+ photoproduction from hydrogen, with γ-ray energy, has been examined at a laboratory angle of 58° to the γ-ray beam. A thin hydrogen target, and a counter system designed to eliminate random events, have been employed. Mean values for the differential cross section dσdΩ at γ-ray energies of 162, 168, 175, and 192 Mev are 5.42±0.38, 5.77±0.41, 6.74±0.47, and 8.22±0.58 μb/sr, respectively, where the error limits refer to relative values. The results substantiate the rising trend of the interaction quantity {(dσdΩ)(μ2pε)(1+ωM)2} near threshold, in accord with dispersion theory; and the absolute cross sections are compatible with a threshold value for a0+ near 20 μb/ steradian, consistent with findings in related pion work.

1 data table
Table 1

No description provided.