PI+ N --> PI+ N(1700B)0
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pi pi Scattering and pi+ d Interactions at 7-GeV/c

Carroll, J.T. ; Matthews, J.A.J. ; Walker, W.D. ; et al.
Phys.Rev.D 10 (1974) 1430, 1974.
Inspire Record 91650 DOI 10.17182/hepdata.25036

Using bubble-chamber data on the reactions π+d→pspπ0π0, π+d→pspπ+π−, and π−p→nπ+π− at 7 GeV/c incident π momentum, π−π phase shifts are determined for 0.6<M(ππ)<1.5 GeV/c2. An I=0S-wave resonance is observed in the f0 peak region of M(ππ). Constructive ρ−ω interference is found in the reaction π+n→pπ+π− and evidence is presented for some specifically deuteron effects in the data with large spectator-proton momentum.

6 data tables
Table 1

TWO-PRONG CROSS SECTIONS IN DEUTERIUM WITH SPECTATOR PROTON MOMENTUM CUT AT 0.3 GEV/C.

Table 2

NOTE THAT THE LOW-T DATA POINTS (<0.1 GEV**2) SHOULD BE CORRECTED FOR PAULI EXCLUSION IN DEUTERIUM.

Table 3

FROM FIT WITH BREIT-WIGNER RESONANCES PLUS PHASE SPACE.

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Resonance Production in the Reactions pi+ d --> p(s) p pi+ pi- and pi+ d --> p(s) p pi+ pi- pi0 at 11.7-GeV/c

Kemp, D. ; Lotts, A.P. ; Scarrott, S.M. ; et al.
Nuovo Cim.A 27 (1975) 155-173, 1975.
Inspire Record 102951 DOI 10.17182/hepdata.37719

Results are presented for the reactions (1) π+n→pπ+π−, (2) π+n→pπ+π−π0, at an incident pion beam momentum of 11.7 GeV/c. Both reactions show considerable resonance production. Reaction (1) is dominated by ρ0 and f0 production and there is evidence for the variation of the ρ00 width with momentum transfer. Decay angular distributions are presented for the dipion system observed in reaction (1). Reaction (2) shows the production of both dipion and tripion resonances and there is evidence for the associated production of\(\mathcal{N}\)-resonances with the dipion resonances.

4 data tables
Table 1

No description provided.

Table 2

DN/DT PLOTTED. ALL RESONANCES ARE DEFINED JUST BY MASS CUTS.

Table 3

RHO0 MASS REGION OF DIPION SYSTEM. NUMERICAL VALUES TAKEN FROM TABLE 6.1 OF THE THESIS BY D. KEMP (DURHAM 1974).

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