Pierini, Maurizio
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Search for $D^*$ Production in Pion Nucleon Interactions

Fitch, V.L. ; Montag, A.D. ; Palestini, S. ; et al.
Phys.Rev.D 33 (1986) 1486-1487, 1986.
Inspire Record 232140 DOI 10.17182/hepdata.23545

Results are presented of a measurement of the production of D*+ (D*−) in 250-GeV/c π−N interactions. We observe 2.1±7.8 events corresponding to a charge-D* cross section σ(D*) of 0.4±1.5 μb/nucleon. When averaged with our previous measurement made at 200 GeV/c, the result is σ(D*)=2.3±1.0 μb/nucleon with (dσ/dx)‖x=0=4.6±2.0 μb.

3 data tables
Table 1

THIS DATA FROM PREVIOUS PUBLICATION : PRL 46, 761 (1981).

Table 2

No description provided.

Table 3

No description provided.


Measurement of $D^*$ Production in Pion - Nucleon Interactions at 200-{GeV}/$c$

Fitch, V.L. ; Montag, A.D. ; Sherman, S.S. ; et al.
Phys.Rev.Lett. 46 (1981) 761, 1981.
Inspire Record 10286 DOI 10.17182/hepdata.20641

Results are reported of an experiment to measure the cross section for production of the D*+ (D*−) in 200-GeV/c π−N interactions. We observe 78 ± 26 events corresponding to a D*-production cross section dσdy=1.6±0.5 μb at y=0.

1 data table
Table 1

No description provided.


THE REACTION pi+ p ---> pi+ p pi0 pi0 AT 4-GeV/c: NO EVIDENCE FOR A NARROW epsilon

Borreani, G. ; Guy, J.G. ; Marchetto, F. ; et al.
Nucl.Phys.B 187 (1981) 42-52, 1981.
Inspire Record 164408 DOI 10.17182/hepdata.34256

The Track Sensitive Target technique has been used to isolate 5000 events from the reaction π + p→ π + p π 0 π 0 at 4 GeV/ c . Channel cross sections are measured. The data agree with predictions from phase-shift analyses of π + π − data: the effect of the S ∗ is clearly seen. There is strong evidence against any narrow ϵ below 1 GeV/ c 2 .

1 data table
Table 1

No description provided.