Date

Inclusive Single Particle Production at 90-Degrees in the Center-Of-Mass System for Nuclear Targets and 28.5-GeV/c Incident Protons

Becker, U. ; Burger, J. ; Chen, M. ; et al.
Phys.Rev.Lett. 37 (1976) 1731-1734, 1976.
Inspire Record 115394 DOI 10.17182/hepdata.21074

The invariant cross section for the inclusive production of π+, π−, K+, K−, p, and p¯ is presented for proton-nucleon interactions at plab=28.5 GeV/c. Beryllium, titanium, and tungsten targets were used and the yields were extrapolated to A=1 using the power law σ∼Aα. The exponent α increases with pT, except for protons. The pT dependence of the cross sections is compared with a simple fireball model.

2 data tables

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Precision Measurement of n p Charge Exchange Cross-Section at 647-MeV

Evans, M.L. ; Glass, G. ; Hiebert, J.C. ; et al.
Phys.Rev.Lett. 36 (1976) 497-500, 1976.
Inspire Record 112959 DOI 10.17182/hepdata.21088

The differential cross section for n−p elastic scattering in the angular region 145°<θc.m.<180° has been measured with high statistical accuracy using the monoenergetic neutron beam at Clinton P. Anderson Meson Physics Facility. The results differ significantly from previous Dubna and Princeton-Pennsylvania Accelerator results but agree reasonably well with recent Saclay data except at extreme backward angles.

1 data table

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Search for Parity Nonconservation in Atomic Bismuth

Soreide, D.C. ; Roberts, D.E. ; Lindahl, E.G. ; et al.
Phys.Rev.Lett. 36 (1976) 352-355, 1976.
Inspire Record 112866 DOI 10.17182/hepdata.21089

In a search for optical rotation near the 8755-Å magnetic-dipole absorption line in atomic Bi, our first results set an upper limit F<10−6 on a parity nonconserving amplitude associated with the line. This limit improves upon earlier parity tests in atoms by three orders of magnitude. Further improvement of at least another order of magnitude appears possible by this method which should then provide an exacting test of parity conservation in the neutral weak-current interaction in atoms.

1 data table

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Inclusive pi- and gamma Production in 24-GeV/c p p Collisions

Beier, E.W. ; Raychaudhuri, K. ; Takeda, H. ; et al.
Phys.Rev.Lett. 37 (1976) 1114-1116, 1976.
Inspire Record 115982 DOI 10.17182/hepdata.21087

We report the 24-GeV/c inclusive π− yield near θc.m.=90° for 0.5<~PT≲2.2 GeV/c. No high-PT excess is seen at this energy. In addition we have obtained the inclusive γ-ray yield from a measurement of low-mass e+e− pairs. This yield is compared with that expected from π0-, η-, and ω-meson decay, to provide limits on possible direct photon production.

1 data table

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Determination of the Cross-Sections for Multiple Production of pi0 Mesons in Four Prong pi- p Interactions at 5-GeV/c

Amaglobeli, N.S. ; Budagov, Yu.A. ; Vinogradov, V.B. ; et al.
Sov.J.Nucl.Phys. 23 (1976) 515-517, 1976.
Inspire Record 116407 DOI 10.17182/hepdata.47201

None

2 data tables

USING METHOD (A), SEE THE ARTICLE.

USING METHOD (B), SEE THE ARTICLE.


Measurements of the Polarization Parameter p, and the Differential Cross-Section, for pi- p --> pi0 n in the Resonance Region

Brown, Robert M. ; Clark, A.G. ; Davies, J.K. ; et al.
75-89, 1976.
Inspire Record 116148 DOI 10.17182/hepdata.76441

None

22 data tables

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pi- p Elastic Scattering Near 1400-MeV Center-Of-Mass Energy

Lima, C.A.S. ; Greenberg, M. ;
Rev.Bras.Fis. 6 (1976) 117-125, 1976.
Inspire Record 115853 DOI 10.17182/hepdata.70465

None

6 data tables

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The momentum dependence of the differential pion charge exchange cross section from 1.3 to 3.8 GeV/c

Kistiakowsky, V. ; Bastian, P. ; Brabson, B. ; et al.
Conference Paper, 1976.
Inspire Record 1408079 DOI 10.17182/hepdata.70407

None

18 data tables

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Polarization measurements in $π^−$p charge exchange scattering from 618 MeV/c to 2267 MeV/c

Brown, Robert M. ; Clark, A.G. ; Davies, J.K. ; et al.
AIP Conf.Proc. 35 (1976) 189-197, 1976.
Inspire Record 117337 DOI 10.17182/hepdata.76257

Results are presented of measurements of the polarisation parameter for the reaction π−p→π°n : π°→γγ at 22 incident momenta in the resonance region. These results are generally in agreement with those of previous measurements and in qualitative agreement with predictions of phase shift analyses.

22 data tables

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Comparison of Neutral Particle Production in 100 GeV/c $\bar{p}p$ and pp Interactions.

Ward, D.R. ; Ansorge, R.E. ; Bust, C.P. ; et al.
Phys.Lett.B 62 (1976) 237-240, 1976.
Inspire Record 112616 DOI 10.17182/hepdata.5528

We derive cross-sections for the inclusive productiion in p̄p interactions at 100 GeV /c of π 0 , K S 0 and Λ 0 Λ 0 of 91.5±5.7 mb, 5.2±0.4 mb and 4.8±0.4 mb respectively, which are all higher than pp cross-sections at energy. We find indications that these differences can be attributed to “annihilation” processes.

3 data tables

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