HEPData Search

Experimental data on the forward-backward asymmetry of π- emission in (d,4He,12C)181Ta interactions atp/A=4.2 GeV/c are presented. The absolute value of the asymmetry coefficient of the inclusive π- production in the nucleon-nucleonCMS decreases asAp−0.35 with increasing atomic mass of projectile nucleus. A method of obtaining the target-to-projectile ratio of the numbers of participant nucleonsNt/Np through measuring the velocity of the symmetric pion emission system is proposed. It has been found that Nt/Np∼Ap−0.73.

2 data tables match query

Table 2

IN THE NUCLEON-NUCLEON CENTRE-OF-MASS SYSTEM.

Table 3

IN THE NUCLEON-NUCLEON CENTRE-OF-MASS SYSTEM.

Energy Dependence of the Charge Asymmetry a ($T (\pi$), $\theta$) in $\pi d$ Elastic Scattering

Smith, G.R. ; Gill, D.R. ; Ottewell, D. ; et al.

Phys.Rev.C 38 (1988) 240-250, 1988.

Inspire Record 250814 DOI 10.17182/hepdata.26223

Angular distributions of charge asymmetry A(Tπ,θ), have been measured for πd elastic scattering. Data were obtained in the backward hemisphere for pion bombarding energies of 143, 180, 220, and 256 MeV. The results are compared with predictions employing different mass and width parameters for the delta isobars.

4 data tables match query

Table 1

No description provided.

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Polarization at Small Angles in Anti-proton - Carbon Elastic Scattering at {LEAR} Energies

The SING collaboration Martin, A. ; Birsa, R. ; Bos, K. ; et al.

Nucl.Phys.A 487 (1988) 563-590, 1988.

Inspire Record 261245 DOI 10.17182/hepdata.37001

A double-scattering experiment of antiprotons on carbon has been carried out at the Low-Energy Antiproton Ring (LEAR) at CERN, to measure the polarization parameter A p C in antiproton-carbon elastic scattering at small angles. The polarization parameter has been inferred from the azimuthal distribution of the antiprotons after the second scattering. Data have also been collected with a liquid-hydrogen target as the second scatterer, thus allowing the sign of A p C to be determined. The experiment has been performed at two momenta of the extracted antiproton beam, 800 and 1100 MeV/c. A small positive value of the polarization has been observed, compatible with energy independence and a linear increase with the momentum transfer q . Parametrizing A p C as a c q , we get a c = +0.72 0.10 +0.09 ( GeV / c ) −1 . This result is compared with potential model predictions for N̄N amplitudes through a Glauber theory calculation.

6 data tables match query

Table 1

THETA1(RF=LAB)=8 DEG, THETA POINTED IN TABLE IS THE SECOND SCATTERING ANGLE.

Table 2

THETA1(RF=LAB)=5 DEG, THETA POINTED IN TABLE IS THE SECOND SCATTERING ANGLE.

Table 3

THETA1(RF=LAB)=8 DEG, THETA POINTED IN TABLE IS THE SECOND SCATTERING ANGLE.

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NUCLEAR REACTIONS OF TANTALUM WITH 3.65-A/GeV C-12 IONS AND 3.65-GeV PROTONS

Kozma, P. ; Damdinsuren, C. ; Chultem, D. ; et al.

J.Phys.G 17 (1991) 675-690, 1991.

Inspire Record 281499 DOI 10.17182/hepdata.38565

The cross sections of a number of target residues formed in the reactions of 3.65 A GeV 12C ions and 3.65 GeV protons with tantalum have been measured. The measurements have been done by direct counting of irradiated targets with a Ge(Li) gamma-ray spectrometer. Charge dispersions and mass-yield distributions were deduced from these data. The results are discussed in terms of the basic concepts of high-energy nuclear physics. They are also compared with intranuclear cascade and abrasion-ablation model calculations.

1 data table match query

Table 3

No description provided.

SPIN EFFECTS IN CUMULATIVE PRODUCTION OF PROTONS AND DEUTERONS IN PROTON - NUCLEUS INTERACTIONS AT 16-GeV TO 64-GeV

Belyaev, I.M. ; Vlasov, N.V. ; Gavrishchuk, O.P. ; et al.

484-488, 1989.

Inspire Record 285499 DOI 10.17182/hepdata.38741

None

28 data tables match query

Table 1

No description provided.

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SYSTEMATICS OF TARGET RECOIL PROPERTIES OF INTERMEDIATE FRAGMENTS PRODUCED IN THE INTERACTION OF 3.65-A/GeV C-12 IONS AND PROTONS WITH COMPLEX NUCLEI

Kozma, P. ;

JINR-E1-90-185, 1990.

Inspire Record 296397 DOI 10.17182/hepdata.39435

None

4 data tables match query

Table 1

ASYM=F/B, WHERE F AND B ARE THE FRACTIONAL NUMBERS OF PRODUCT RECOILING INTO THE FORWARD AND BACKWARD CATCHER, RESPECTIVELY.

Table 2

ASYM=F/B, WHERE F AND B ARE THE FRACTIONAL NUMBERS OF PRODUCT RECOILING INTO THE FORWARD AND BACKWARD CATCHER, RESPECTIVELY.

Table 3

ASYM=F/B, WHERE F AND B ARE THE FRACTIONAL NUMBERS OF PRODUCT RECOILING INTO THE FORWARD AND BACKWARD CATCHER, RESPECTIVELY.

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CM Energies (GeV)

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AZIMUTHAL CORRELATIONS BETWEEN SHOWER PARTICLES FROM PROTON - NUCLEAR INTERACTIONS IN THE ENERGY REGION 20-GeV - 400-GeV

INCLUSIVE PRODUCTION OF pi- MESONS IN n p INTERACTIONS AT P (n) = 1-GeV/c TO 5-GeV/c

ASYMMETRY OF THE CROSS-SECTION FOR THE REACTION GAMMA D ---> P N INDUCED BY LINEARLY POLARIZED GAMMA RAYS IN THE ENERGY REGION E (GAMMA) = 0.4-GEV - 0.8-GEV AND THETA (P) center-of-mass = 45-degrees 95-DEGREES

CROSS-SECTION ASYMMETRY OF THE gamma n ---> pi- p REACTION BY POLARIZED PHOTONS IN THE THIRD AND FOURTH RESONANCE REGIONS

ASYMMETRY OF pi- MESON EMISSION IN NUCLEUS-NUCLEUS COLLISIONS AS A MEASURE OF THE TARGET TO PROJECTILE RATIO OF THE NUMBERS OF INTERACTING NUCLEONS

Energy Dependence of the Charge Asymmetry a ($T (\pi$), $\theta$) in $\pi d$ Elastic Scattering

Polarization at Small Angles in Anti-proton - Carbon Elastic Scattering at {LEAR} Energies

NUCLEAR REACTIONS OF TANTALUM WITH 3.65-A/GeV C-12 IONS AND 3.65-GeV PROTONS

SPIN EFFECTS IN CUMULATIVE PRODUCTION OF PROTONS AND DEUTERONS IN PROTON - NUCLEUS INTERACTIONS AT 16-GeV TO 64-GeV

SYSTEMATICS OF TARGET RECOIL PROPERTIES OF INTERMEDIATE FRAGMENTS PRODUCED IN THE INTERACTION OF 3.65-A/GeV C-12 IONS AND PROTONS WITH COMPLEX NUCLEI