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DELTA (1236) PRODUCTION IN ANTI-NEUTRINO n ---> mu+ n pi- REACTION AT HIGH-ENERGIES

Efremenko, V.I. ; Fedotov, A.V. ; Gorichev, P.A. ; et al.
ITEP-83-1981, 1981.
Inspire Record 167553 DOI 10.17182/hepdata.40191

None

5 data tables match query
Table 1

No description provided.

Table 2

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RESONANCE PRODUCTION IN THE REACTION anti-p d ---> p(s) pi+ pi- pi- pi0 AT 0.4-GeV/c TO 0.9-GeV/c ANTI-PROTON MOMENTA

Kasper, P. ; Chapman, G. ; DeRoach, J. ; et al.
Nucl.Phys.B 156 (1979) 207-224, 1979.
Inspire Record 7267 DOI 10.17182/hepdata.34660

Resonance production has been studied in the annihilation process p n aarπ + π - π - π 0 induced by antiprotons in the 0.4 to 0.9 GeV/ c momentum range. We observe strong production of ϱ mesons, together with some f 0 (predominantly in the ϱf 0 channel), ω 0 and A 2 mesons and there is a strong ϱϱ signal. We also observe a broad (~300 MeV/ c 2 ) enhancement at ~1100 MeV/c 2 in the π + π - π - invariant-mass distribution, whereas no such enhancement is seen in the π + π - π 0 channel; we have considered various explanations for this enhancement, including an “A 1 ” effect and interference between amplitudes for conventional resonance production.

1 data table match query
Table 1

FITTED PERCENTAGE OF EACH RESONANCE CHANNEL. THE AUTHORS ALSO QUOTE VERY SIMILAR RESULTS FOR THREE OTHER FITS WHICH ALLOW FOR THE <A1(1100)- PI0> CHANNEL OR BOSE-EINSTEIN INTERFERENCE.


A STUDY OF THE REACTION anti-p n ---> pi- pi- pi+ AT CENTER-OF-MASS ENERGIES BETWEEN 1.9-GeV AND 2.3-GeV

Darling, T. ; Opat, G.I. ; Tovey, S.N. ; et al.
Nuovo Cim.A 79 (1984) 181, 1984.
Inspire Record 14076 DOI 10.17182/hepdata.37516

We have studied the reactions\(\bar pn \to \pi ^ -\pi ^ -\pi ^ +(\pi ^0 )\) at incident momenta between 0.42 and 1.65 GeV/c using two exposures in deuterium-filled bubble chambers. The ratio of the rates for 3π to 4π final states shows a sharp increase at a momentum of about 0.8 GeV/c. A full partial-wave analysis of the 3π final state has been made and complex structure is observed at approximately the same momentum, associated in particular with theJP=3+ final state.

1 data table match query
Table 2

No description provided.


Pion resonances accompanying strange particle production in 7.5 GeV $\pi^- -p$ interactions

Belyakov, V.A. ; Veksler, V.I. ; Viryasov, N.M. ; et al.
Sov.Phys.JETP 19 (1964) 1326-1332, 1964.
Inspire Record 1387584 DOI 10.17182/hepdata.17001

The simultaneous production of pion resonances and strange particles was investigated. The simultaneous production of p 0 mesons and A-K pairs was observed in events characterized by charged particle multiplicity ns = 4 and having cross sections upo = 20 ± 8 ~b. Cross sections for the production of w and YJ resonances are presented. The 1340-MeV peak in the distribution of four-pion effective masses is discussed.

1 data table match query
Table 1

No description provided.


INVESTIGATION OF ELASTIC ELECTRON - PROTON SCATTERING IN THE REGION OF SQUARED MOMENTUM TRANSFERS 0.12-F**-2 <= q**2 <= 0.5-F**-2

Akimov, Yu.K. ; Arvanov, A.N. ; Badalian, G.V. ; et al.
Sov.J.Nucl.Phys. 29 (1979) 474, 1979.
Inspire Record 133691 DOI 10.17182/hepdata.18481

None

1 data table match query
Table 1

No description provided.