HEPData Search

Showing 10 of 21 results

Polarization of Sigma+ and anti-Sigma- hyperons produced by 800-GeV/c protons

The E761 collaboration Morelos Pineda, Antonio ; Albuquerque, I.F. ; Bondar, N.F. ; et al.

Phys.Rev.Lett. 71 (1993) 2172-2175, 1993.

Inspire Record 356301 DOI 10.17182/hepdata.19722

We have mesured the polarization of 375-GeV/c Σ+ and Σ¯ − hyperons produced by 800-GeV/c protons incident on a Cu target. We find that the Σ+ polarization rises with increasing pt to a maximum of 16% at pt=1.0 GeV/c and then decreases to 10% at pt=1.8 GeV/c. We compare this Σ+ polarization with data at lower energies. The Σ¯ − polarization has been measured for the first time. It has the same sign as the Σ+ but smaller magnitude in a similar kinematical region.

4 data tables

Table 1

Data from Horizontal targeting.

Table 2

Data from Vertical targeting.

Table 3

Data from Horizontal targeting.

More…

Polarization of cumulative protons in the reaction gamma A --> p X.

Avakyan, R.O. ; Avakian, E.O. ; Avdalyan, G.A. ; et al.

Sov.J.Nucl.Phys. 51 (1990) 999-1000, 1990.

Inspire Record 306076 DOI 10.17182/hepdata.17310

None

3 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

Polarization of cumulative protons in the reaction gamma A --> p X.

Avakian, R.O. ; Avetisian, A.E. ; Arestakesian, G.A. ; et al.

Sov.J.Nucl.Phys. 49 (1989) 292-294, 1989.

Inspire Record 284675 DOI 10.17182/hepdata.17336

None

2 data tables

Table 1

No description provided.

Table 2

No description provided.

POLARIZATION OF PROTONS IN REACTION GAMMA D ---> P N AT E (GAMMA) = 0.7-GEV - 1-GEV FOR THETA (P) = 90-DEGREES C.M. (IN RUSSIAN)

Bratashevsky, A.S. ; Zybalov, A.A. ; Karasev, S.P. ; et al.

Yad.Fiz. 44 (1986) 960-964, 1986.

Inspire Record 239280 DOI 10.17182/hepdata.17436

None

1 data table

Table 1

No description provided.

INVESTIGATION OF POLARIZATION PARAMETERS IN DEUTERON PHOTOFISSION INDUCED BY LINEARLY POLARIZED PHOTONS. (IN RUSSIAN)

Bratashevsky, A.S. ; Gorbenko, V.G. ; Gushchin, V.A. ; et al.

Yad.Fiz. 43 (1986) 785-790, 1986.

Inspire Record 238205 DOI 10.17182/hepdata.17613

None

4 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

More…

MEASUREMENT OF POLARIZATION OF PROTONS FROM REACTION GAMMA P ---> P PI0 IN THE THIRD RESONANCE. (IN RUSSIAN)

Bratashevsky, A.S. ; Zybalov, A.A. ; Karasev, S.P. ; et al.

Yad.Fiz. 41 (1985) 1515-1519, 1985.

Inspire Record 227501 DOI 10.17182/hepdata.17615

None

2 data tables

Table 1

No description provided.

Table 2

No description provided.

Measurement of Sigma- Production Polarization and Magnetic Moment

Wah, Y.W. ; Cardello, T.R. ; Cooper, P.S. ; et al.

Phys.Rev.Lett. 55 (1985) 2551-2554, 1985.

Inspire Record 218614 DOI 10.17182/hepdata.42574

We have measured the production polarization of 265- and 310-GeV/c Σ− in the inclusive reaction p+Cu→Σ−+X using 400-GeV/c protons. The polarization was analyzed via the asymmetry in the weak decay Σ−→n+π−, and has typical values of +0.20 with respect to the direction of the cross product of the incident-proton and Σ− momenta. Using the spin-precession technique, we have determined the Σ− magnetic moment to be -1.23±0.03±0.03 nuclear magnetons, where the statistical and systematic errors are shown separately.

3 data tables

Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.