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Measurements of the Polarization of Protons from Deuteron Photodisintegration

Liu, F.F. ; Lundquist, D.E. ; Wiik, B.H. ;
Phys.Rev. 165 (1968) 1478-1482, 1968.
Inspire Record 944944 DOI 10.17182/hepdata.26514

The polarization of the proton produced by the photodisintegration of the deuteron has been measured at several angles for photon energies between 170 and 450 MeV. The polarization is found to be around -0.20 (Basel convention) for 90° c.m. and photon energies between 200 and 300 MeV. This is in reasonable agreement with a calculation by D. George based upon the Austern model. However, the calculation fails to explain the strong increase in polarization with increasing photon energies. At a photon energy of 450 MeV and 90° c.m. the proton polarization is as large as -0.60.

1 data table
Table 1

No description provided.


Cross-Sections for the Photodisintegration of Deuterium at Intermediate-Energies

Dougan, P. ; Ramsay, V. ; Stiefler, W. ;
Z.Phys.A 276 (1976) 55-64, 1976.
Inspire Record 99793 DOI 10.17182/hepdata.16618

The cross-sections for deuteron photo-disintegration have been measured at nine c.m. angles from 37 to 143 degrees. The minimum and maximum photon energies have been 139 and 832 MeV respectively. The results are in agreement with earlier data above 300 MeV, but are significantly larger below 200 MeV, the discrepancies being up to 50% at the lowest energies measured.

9 data tables
Table 1

MEAN SCATTERING ANGLE FOR THIS DATA GROUP IS 36.9 DEG.

Table 2

MEAN SCATTERING ANGLE FOR THIS DATA GROUP IS 53.1 DEG.

Table 3

MEAN SCATTERING ANGLE FOR THIS DATA GROUP IS 66.4 DEG.

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Observation of an Anomalous Structure in Proton Polarization from Deuteron Photodisintegration

Kamae, T. ; Arai, I. ; Fujii, T. ; et al.
Phys.Rev.Lett. 38 (1977) 468, 1977.
Inspire Record 110084 DOI 10.17182/hepdata.21021

Proton polarization in γd→pn has been measured at c.m. angle around 90° and photon energies from 325 to 725 MeV. The polarization increases sharply with the photon energy, reaching a high maximum of (-80±8)% around 500-550 MeV. Such a high polarization with a sharp energy dependence seems to indicate a new effect in the dibaryon system.

1 data table
Table 1

No description provided.


Measurement of the Proton Polarization in Deuteron Photodisintegration at Photon Energies Between 350-MeV and 700-MeV

Kamae, T. ; Arai, I. ; Fujii, T. ; et al.
Nucl.Phys.B 139 (1978) 394-412, 1978.
Inspire Record 135594 DOI 10.17182/hepdata.35048

The proton polarization in the γ d → pn reaction has been measured at a c.m. angle of 90° and photon energies between 350 and 700 MeV, using a carbon polarimeter. The magnitude of the polarization shows a sharp energy dependence with a peak of about −80% at around 500–550 MeV. This feature cannot be explained by conventional models and seems to indicate a new mechanism in the dibaryon system.

1 data table
Table 1

AROUND THETA OF 90 DEG.


Angular Dependence of Proton Polarization in $\gamma d \to pn$ and Further Investigation of the Dibaryon Resonance

Ikeda, H. ; Arai, I. ; Fujii, H. ; et al.
UTPN-115, 1978.
Inspire Record 131379 DOI 10.17182/hepdata.20801

None

1 data table
Table 1

ERRORS INCLUDE BY QUADRATIC ADDITION THE 5 PCT UNCERTAINTY IN THE CARBON ANALYSING POWER.


STUDY OF THE CROSS-SECTION ASYMMETRY OF THE REACTION GAMMA D ---> N P BY POLARIZED PHOTONS IN THE ENERGY INTERVAL 400-MEV - 600-MEV (IN RUSSIAN)

Gorbenko, V.G. ; Zhebrovsky, Yu.V. ; Kolesnikov, L.Ya. ; et al.
Pisma Zh.Eksp.Teor.Fiz. 30 (1979) 130-132, 1979.
Inspire Record 146581 DOI 10.17182/hepdata.11198

None

1 data table
Table 1

No description provided.


POLARIZATION OF PROTONS IN REACTION PHOTON D ---> N P IN THE PHOTON ENERGY INTERVAL 400-MEV - 700-MEV. (IN RUSSIAN)

Bratashevsky, A.S. ; Derebchinsky, A.I. ; Zybalov, A.A. ; et al.
Yad.Fiz. 32 (1980) 418-422, 1980.
Inspire Record 159791 DOI 10.17182/hepdata.18975

None

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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FURTHER MEASUREMENT OF PROTON POLARIZATION IN DEUTERON PHOTODISINTEGRATION AT PHOTON ENERGIES BETWEEN 400-MEV AND 650-MEV: POSSIBLE EVIDENCE FOR DIBARYON RESONANCES

Ikeda, H. ; Arai, I. ; Fujii, H. ; et al.
Nucl.Phys.B 172 (1980) 509-533, 1980.
Inspire Record 158986 DOI 10.17182/hepdata.34500

The proton polarization in deuteron photodisintegration has been measured at photon energies between 400 and 650 MeV at c.m. angles between 45° and 135°. To explain the polarization and differential cross-section data consistently, we have introduced dibaryon resonances and performed a partial-wave analysis at photon energies between 350 and 700 MeV. It has been shown that the existence of at least two dibaryon resonances is required in this energy range: one at ∼2380MeV with I ( J P ) = 0(3 + ) or 0(1 + ), and the other at ∼2260 MeV with I ( J P ) = 1(3 − ) or 1(2 − ).

1 data table
Table 1

No description provided.


ENERGY DEPENDENCE OF PROTON POLARIZATION IN THE REACTION GAMMA D ---> N P AT ANGLES OF 43-degrees, 78-degrees, AND 120-DEGREES. (IN RUSSIAN)

Bratashevsky, A.S. ; Derebchinsky, A.I. ; Zybalov, A.A. ; et al.
Pisma Zh.Eksp.Teor.Fiz. 31 (1980) 295-297, 1980.
Inspire Record 157273 DOI 10.17182/hepdata.39768

None

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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ASYMMETRY OF REACTION CROSS-SECTION OF DEUTERON DISINTEGRATION BY POLARIZED PHOTONS WITH 80-MEV - 600-MEV ENERGY. (IN RUSSIAN)

Gorbenko, V.G. ; Zhebrovsky, Yu.V. ; Kolesnikov, L.Ya. ; et al.
Pisma Zh.Eksp.Teor.Fiz. 32 (1980) 387-389, 1980.
Inspire Record 159210 DOI 10.17182/hepdata.39695

None

2 data tables
Table 1

LINEARLY POLARIZED PHOTON BEAM. TABLE CONTAINES DATA FOR 400 <= E(GAMMA) <= 600 MEV FROM ZETFP 30, 130 1979.

Table 2

No description provided.