Beketov, G.V.
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A New measurement of the Pontecorvo reaction anti-p + d ---> pi- + p with the OBELIX spectrometer at LEAR

The OBELIX collaboration Ableev, V.G. ; Adamo, A. ; Agnello, M. ; et al.
Nucl.Phys.A 562 (1993) 617-643, 1993.
Inspire Record 364197 DOI 10.17182/hepdata.3849

Antinucleon-nucleus annihilations into two-body final states containing only one or no meson are unusual annihilations (Pontecorvo reactions), practically unexplored experimentally, with the exception of the channel p d → π − p , for which only two low-statistics measurements exist. Their physical interest lies in the possibility of exploring small-distance nuclear dynamics, in which an important role can be played by non-nucleonic degrees of freedom. A new measurement of the p d → π − p reaction rate at rest, performed with the OBELIX spectrometer at LEAR, with the best statistics up to now and a careful evaluation of systematic effects is reported, together with a critical analysis of the existing theoretical models. The measured branching ratio, which confirms the previous results, can represent a reference point for the studies in the field.

1 data table
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THE RESULTS OF EXPERIMENTS WITH CMD ON VEPP-2M STORAGE RING

Anikin, G.V. ; Barkov, L.M. ; Khazin, B.I. ; et al.
IYF-83-85, 1983.
Inspire Record 192095 DOI 10.17182/hepdata.37149

None

5 data tables
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MEASUREMENT OF THE PION FORM-FACTOR NEAR THE THRESHOLD OF THE REACTION e+ e- ---> pi+ pi- WITH A TIME-OF-FLIGHT DETECTOR

Vasserman, I.B. ; Ivanov, P.M. ; Kezerashvili, G.Ya. ; et al.
SLAC-TRANS-0196, 1981.
Inspire Record 164524 DOI 10.17182/hepdata.37120

None

1 data table
Table 1

RADIATIVE CORRECTIONS APPLIED.


STUDY OF ASSOCIATED PRODUCTION OF DELTA++ AND DELTA0 ISOBARS IN P P ---> P P PI+ PI- REACTION AT THE MOMENTUM OF 4-GEV/. (IN RUSSIAN)

Beketov, G.V. ; Vanyushin, I.A. ; Ergakov, V.A. ; et al.
Yad.Fiz. 33 (1981) 1036-1045, 1981.
Inspire Record 170099 DOI 10.17182/hepdata.17864

None

34 data tables
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Version 2
Pion Form-factor Measurement in the Reaction $e^+ e^- \to \pi^+ \pi^-$ for Energies Within the Range From 0.4-{GeV} to 0.46-{GeV}

Vasserman, I.B. ; Ivanov, P.M. ; Kezerashvili, G.Ya. ; et al.
Yad.Fiz. 33 (1981) 709-714, 1981.
Inspire Record 167191 DOI 10.17182/hepdata.18823

None

1 data table
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Measured value of the total E+ E- --> PI+ PI- cross section


Pion Form-Factor Measurement from e+ e- --> pi+ pi- Near Threshold by electron-Positron Colliding Beams

Vasserman, I.B. ; Ivanov, P.M. ; Koop, I.A. ; et al.
Yad.Fiz. 28 (1978) 968-971, 1978.
Inspire Record 136394 DOI 10.17182/hepdata.19016

None

1 data table
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No description provided.