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Photoproduction of single pi+- mesons on nuclei at e(gamma)=2 and 3 gev. parameters of proton-neutron distribution in nuclei

Abramyan, S.R. ; Aganyants, Aleksandr O. ; Adamyan, F.V. ; et al.
Yad.Fiz. 16 (1972) 739-747, 1972.
Inspire Record 85228 DOI 10.17182/hepdata.18402

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Experimental study of the reaction $\pi^- p \to \Lambda K^0$ at beam momenta between 930 and 1130 MeV/c

Knasel, T.M. ; Lindquist, J. ; Nelson, B. ; et al.
Phys.Rev.D 11 (1975) 1-13, 1975.
Inspire Record 107188 DOI 10.17182/hepdata.24916

We have used an optical spark-chamber spectrometer to perform a systematic study of the reaction π−p→ΛK0 at beam momenta between 930 and 1130 MeV/c. The cross section, angular distribution, and Λ polarization have been measured. We present our complete data from a sample of 11 400 events along with Legendre polynomial coefficients for the angular distributions. No striking cross-section enhancement at ΣK threshold is observed, but there is evidence for a small cusp effect. A simple model which takes account of the ΣK channel provides a good fit to our data.

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Elastic 1 gev proton scattering on k-39 and ca-40 nuclei

Alkhazov, G.D. ; Amalskii, G.M. ; Belostotskii, S.L. ; et al.
Zh.Eksp.Teor.Fiz. 18 (1973) 309-312, 1973.
Inspire Record 87607 DOI 10.17182/hepdata.37171

None

3 data tables
Table 1

X ERROR D(TARGET) = 96.97 PCT.

Table 2

X ERROR D(TARGET) = 93.08 PCT.


Investigation on the b- produced in pi- p ---> p omega pi- at 9.1 gev/c

Armenise, N. ; Fogli Muciaccia, M.T. ; Silvestri, A. ; et al.
Lett.Nuovo Cim. 8S2 (1973) 425-430, 1973.
Inspire Record 86505 DOI 10.17182/hepdata.37317

None

1 data table
Table 1

No description provided.


Photoproduction of eta-mesons on hydrogen at photon energies between 1.5 and 2.2 gev

Christ, A. ; Husmann, D. ; Jansen, W. ; et al.
Lett.Nuovo Cim. 8S2 (1973) 1039-1043, 1973.
Inspire Record 86582 DOI 10.17182/hepdata.37327

None

1 data table
Table 1

APPROXIMATELY CONSTANT MOMENTUM TRANSFER.


Hadron pair production by electron-positron colliding beams

Barbiellini, G. ; Grilli, M. ; Iarocci, E. ; et al.
Lett.Nuovo Cim. 6S2 (1973) 557-565, 1973.
Inspire Record 86306 DOI 10.17182/hepdata.37335

None

1 data table
Table 1

THIS HADRON PAIR CROSS SECTION PROVIDES ONLY AN UPPER LIMIT TO THE PION FORM FACTOR ABOVE 1.5 GEV SINCE KAON PRODUCTION IS NOT DISTINGUISHED.


Two-body final states in k- p interactions at 14.3 gev/c

Miller, R.J. ; Paler, K. ; Phelan, J.J. ; et al.
Lett.Nuovo Cim. 6S2 (1973) 491-496, 1973.
Inspire Record 86301 DOI 10.17182/hepdata.37298

None

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

AVERAGED OVER ALL PRODUCTION ANGLES.

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Photoproduction of rho0 on hydrogen with tagged photons between 4 and 6 gev

Struczinski, W. ; Dittmann, P. ; Eckardt, V. ; et al.
Nucl.Phys.B 47 (1972) 436-444, 1972.
Inspire Record 84477 DOI 10.17182/hepdata.29528

We have measured the reaction γ p → p π + π − in the DESY 1 m Streamer Chamber. The dominant ϱ o production is analyzed in terms of various models.

6 data tables
Table 1

No description provided.

Table 2

FOR ALL EVENTS.

Table 3

FOR ALL TWO PION EVENTS.

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Reactions k- p ---> anti-k0 n, k- p ---> lambda pi0, k- p ---> lambda eta at 3.13, 3.30 and 3.59 gev/c

Mason, G.C. ; Wohl, C.G. ;
Nucl.Phys.B 58 (1973) 1-21, 1973.
Inspire Record 84026 DOI 10.17182/hepdata.32534

We have measured the differential cross sections for the reactions K − p → K 0 n, K − p → Λπ 0 and K − p → Λη , and the Λ polarization distribution for the second reaction, at K − lab momenta of 3.13, 3.30 and 3.59 GeV/ c . The K − p → Λπ 0 polarization is very large: for the combined data in the interval 0.1 < - t < 0.4 GeV 2 , it is 0.98 ± 0.15. The K − p → Λη forward peak is very steep: for the combined data, the slope b in d/d t = a e bt is 16.2 ± 2.3 GeV −2 , whereas it is about 3 GeV −2 for K − p → K 0 n and 5 GeV −2 for K − p → Λπ 0 . There is a dip near t = −0.5 GeV 2 in the K − p → Λη differential cross section , and another near u = −0.3 GeV 2 in the K − p → Λπ 0 differential cross section. The results are compared with predictions of simple models.

18 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Single photoproduction of neutral pi mesons on deuterium in the forward direction at 4 gev

Braunschweig, W. ; Dinter, H. ; Erlewein, W. ; et al.
Nucl.Phys.B 51 (1973) 157-166, 1973.
Inspire Record 84302 DOI 10.17182/hepdata.32703

The ratio R = (d σ /d t )( γ d → ( π 0 n)p)/(d σ /d t )( γ d → ( π 0 p)n), was measured at the Deutsches Elektronen-Synchrotron DESY, Hamburg at a mean photon energy of 4.0 GeV in the four-momentum transfer range between t = − 0.2 (GeV/ c ) 2 and t = − 1.2 (GeV/ c ) 2 in steps of approximately 0.08 (GeV/ c ) 2 . The ratio R is less than 1 up to t = − 0.9 (GeV/ c ) 2 and shows a broad minimum around t = − 0.6 (GeV/ c ) 2 . Corrections for nuclear effects in the deuterium were not applied but are shown to be small.

1 data table
Table 1

No description provided.