Lin, M.T.
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Spin Parity Analysis of the rho (1.71) Resonance Produced in 9.1-GeV/c pi- p Interactions

Armenise, N. ; Fogli Muciaccia, M.T. ; Silvestri, A. ; et al.
Lett.Nuovo Cim. 14 (1975) 177-183, 1975.
Inspire Record 103792 DOI 10.17182/hepdata.37443

None

1 data table
Table 1

FOUR PION RESONANCE CALLED RHO(1.71) BY AUTHORS. DECAY IS CONSISTENT WITH 100 PCT <RHO0 RHO-> MODE.


Differential Cross-Sections for pi- p --> gamma n in the First Resonance Region

Guex, L.H. ; Joseph, C. ; Tran, M.T. ; et al.
Phys.Lett.B 55 (1975) 101-106, 1975.
Inspire Record 90715 DOI 10.17182/hepdata.27879

Differential cross-sections for negative pion radiative capture on protons at c.m. angles of 60°, 90°, and 120° have been measured at nine incident laboratory energies between 110 and 270 MeV. Comparison with measured cross-sections for pion photoproduction and with conventional multipole analyses shows neither evidence for a violation of time reversal invariance nor for an isotensor component of the electromagnetic current of hardrons.

7 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (QUOTED ERRORS INCLUDE THE 5 PCT AND 3 PCT UNCERTAINTIES IN THE NEUTRON AND PHOTON DETECTOR EFFICIENCIES).

Table 2

Axis error includes +- 0.0/0.0 contribution (QUOTED ERRORS INCLUDE THE 5 PCT AND 3 PCT UNCERTAINTIES IN THE NEUTRON AND PHOTON DETECTOR EFFICIENCIES).

Table 3

Axis error includes +- 0.0/0.0 contribution (QUOTED ERRORS INCLUDE THE 5 PCT AND 3 PCT UNCERTAINTIES IN THE NEUTRON AND PHOTON DETECTOR EFFICIENCIES).

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Measurement of the polarization parameter in n p charge-exchange scattering from 2 to 12 gev/c

Abolins, M.A. ; Lin, M.T. ; Ruchti, R.C. ; et al.
Phys.Rev.Lett. 30 (1973) 1183-1185, 1973.
Inspire Record 84508 DOI 10.17182/hepdata.21408

We have measured the polarization parameter in neuton-proton charge-exchange scattering for incident neutron momenta of 2-12 GeVc and 0.01<~|t|<~1.0 (GeVc)2. Results based on 300 000 events show a negative polarization whose magnitude increases monotonically with |t| approaching 60% for |t|∼0.6 and which has little energy dependence.

1 data table
Table 1

No description provided.


Analysis of the reaction pi- p ---> p omega pi- at 9.1 gev/c

Armenise, N. ; Fogli Muciaccia, M.T. ; Silvestri, A. ; et al.
Nuovo Cim.A 17 (1973) 707-720, 1973.
Inspire Record 87699 DOI 10.17182/hepdata.37770

The reaction π-p→pωπ- has been studied at 9.1 GeV/c, its total cross-section is σ=(123±22) μb. The pB− and the quasi-three-body channels contribute with cross-section of σ=(24±7) μb and σ=(94±23) μb, respectively. The main features of the quasi-three-body pωπ- channel, displayed by some techniques of data presentation, are satisfactorily described by a double-Regge-pole model. In this model pomeron-meson and meson-meson exchanges are taken into account. An OPE modelà la Veneziano predicts a total cross-section too high and reproduces very poorly the observed features.

1 data table
Table 1

BREIT-WIGNER PLUS BACKGROUND FITS FOR B(1235)- AND OMEGA MESONS.


Investigation on the b- produced in pi- p ---> p omega pi- at 9.1 gev/c

Armenise, N. ; Fogli Muciaccia, M.T. ; Silvestri, A. ; et al.
Lett.Nuovo Cim. 8S2 (1973) 425-430, 1973.
Inspire Record 86505 DOI 10.17182/hepdata.37317

None

1 data table
Table 1

No description provided.


Neutron-proton charge-exchange scattering, 3-12 gev/c

Miller, E.L. ; Elfield, M. ; Reay, N.W. ; et al.
Phys.Rev.Lett. 26 (1971) 984-987, 1971.
Inspire Record 69018 DOI 10.17182/hepdata.37275

We report a high-statistics measurement of the neutron-proton charge-exchange differential cross section for incident momenta 3 to 12 GeVc, and four-momentum transfers 0.003 to 0.85 (GeVc)2. The data are normalized absolutely to ±20%. The differential cross section is characterized by a sharp peak at small momentum transfers, with a gentler exponential behavior at large momentum transfers. This shape is remarkably independent of the incident momentum.

2 data tables
Table 1

No description provided.

Table 2

No description provided.