Dolinski, S.I.
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Study of D Mesons Produced in the Decay of the psi-prime-prime (3772)

Peruzzi, I. ; Piccolo, M. ; Feldman, G.J. ; et al.
Phys.Rev.Lett. 39 (1977) 1301, 1977.
Inspire Record 120878 DOI 10.17182/hepdata.21003

From a study of D mesons produced in the decay ψ(3772)→DD¯, we have determined the masses of the D0 and D+ mesons to be 1863.3±0.9 MeV/c2 and 1868.3±0.9 MeV/c2, respectively. Under the assumption that the ψ(3772) has a definite isospin and decays only to DD¯, the D0 branching fractions to K−π+, K¯0π+π−, and K−π+π−π+ are (2.2±0.6)%, (4.0 ± 1.3)%, and (3.2±1.1)% and the D+ branching fractions to K¯0π+ and K−π+π+ are (1.5±0.6)% and (3.9±1.0)%.

1 data table
Table 1

AROUND PSI(3772)0 PEAK. UPPER BOUNDS EACH SIDE OF PEAK ARE TABULATED IN M. PICCOLO ET AL., PL 86B, 220 (1979).


rivet Analysis
Observation of a Resonance in e+ e- Annihilation Just Above Charm Threshold

Rapidis, Petros A. ; Gobbi, B. ; Luke, D. ; et al.
Phys.Rev.Lett. 39 (1977) 526, 1977.
Inspire Record 119979 DOI 10.17182/hepdata.20971

We observe a resonance in the total cross section for hadron production in e+e− annihilation at a mass of 3772±6 MeV/c2 having a total width of 28±5 MeV/c2 and a partial width to electron pairs of 370±90 eV/c2.

2 data tables
Table 1

BEFORE ANY RADIATIVE CORRECTIONS.

Table 2

AFTER APPLYING ALL RADIATIVE CORRECTIONS.


Large angle elastic proton proton polarization at 5.15 gev/c

Abshire, G.W. ; Ankenbrandt, C.M. ; Crittenden, R.R. ; et al.
Phys.Rev.D 9 (1974) 555-559, 1974.
Inspire Record 93113 DOI 10.17182/hepdata.21953

We present herein the initial results of a large-angle elastic p−p polarization experiment which is now in progress at the Argonne ZGS (Zero-Gradient Synchrotron) accelerator. Data for the incident proton momentum of 5.15 GeVc are presented for 30∘≲θc.m.≲90∘. These results, which extend to t≈−4.0(GeVc)2, represent the first high-statistics p−p polarization measurements for |t| values greater than ∼2.5 (GeVc)2. We observe a minimum in the polarization near t=−0.8(GeVc)2, a smooth increase in the polarization until a maximum is attained near t=−1.8(GeVc)2, and then a monotonic decline in the polarization until the value of zero is reached at θc.m.=90∘. The data are analyzed in terms of an optical model.

1 data table
Table 1

No description provided.


Asymmetry of the cross section of gamma d ---> pi0 d reaction at photon energy of 350 mev

Ganenko, V.B. ; Gorbenko, V.G. ; Zhebrovskii, Yu.V. ; et al.
Pisma Zh.Eksp.Teor.Fiz. 18 (1973) 483-486, 1973.
Inspire Record 87826 DOI 10.17182/hepdata.39926

None

1 data table
Table 1

No description provided.


Observation of multihadronic events in e+ e- collisions at the energy of 1.18-1.34 gev

Kurdadze, L.M. ; Onuchin, A.P. ; Serednyakov, S.I. ; et al.
Phys.Lett.B 42 (1972) 515-518, 1972.
Inspire Record 84975 DOI 10.17182/hepdata.28190

Using the electron-positron storage ring VEPP-2 multipionic events have been observed at a total energy of 1.18–1.34 GeV. The experimental cross-section appears to be considerably larger than calculated within the framework of the vector dominance model for the processes e + e − → ϱπ , ϱϵ , ωπ , A 1 π . The data on the total cross-section obtained in the framework of the statistical model with 4 pions are presented.

1 data table
Table 1

DATA VALUES MEASURED OFF GRAPH IN JOURNAL. VALUES OF R CALCULATED FROM TOTAL MULTIHADRONIC CROSS SECTION.


Measurement of the electron-positron annihilation cross-section into pi+ pi-, k+ k- pairs at the total energy 1.18-1.34 gev

Balakin, V.E. ; Budker, G.I. ; Kurdadze, L.M. ; et al.
Phys.Lett.B 41 (1972) 205-208, 1972.
Inspire Record 75634 DOI 10.17182/hepdata.28229

Using the electron-position storage ring VEPP-2 an experiment has been performed in which the cross-sections of the reactions e + e − → π + π − and e + e − →K + K − were measured in the energy regi on 1.18–1.34 GeV. The experimental values of the formfactors lie higher than curves extrapolated from the ϱ- and ϕ-meson region.

2 data tables
Table 1

No description provided.

Table 2

No description provided.