Proton-Proton Scattering
D3SIG/DP**3
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A Triple Regge Analysis of the Inclusive Reaction p p --> Lambda x++ at 19-GeV/c

The Scandinavian Bubble Chamber collaboration Alpgard, K. ; Andersen, V.S. ; Frodesen, A.G. ; et al.
Nucl.Phys.B 105 (1976) 349-354, 1976.
Inspire Record 100525 DOI 10.17182/hepdata.35987

The inclusive reaction pp → Λ + X ++ at 19 GeV/ c beam momentum has been analyzed in terms of the triple-Regge formalism. A good description of the structure function is achieved for events with | t | < 4 (GeV/ c ) 2 . The effective trajectory obtained from fits to the M 2 / s distribution in different t bins is α R ( t ) = −(0.38 ± 0.11) + (1.15 ± 0.07) t , which holds up to a | t | value of 4 (GeV/ c ) 2 . This is consistent with the K trajectory rather than the K ∗ trajectory which has been reported from other experiments.

7 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Inclusive pi- and gamma Production in 24-GeV/c p p Collisions

Beier, E.W. ; Raychaudhuri, K. ; Takeda, H. ; et al.
Phys.Rev.Lett. 37 (1976) 1114-1116, 1976.
Inspire Record 115982 DOI 10.17182/hepdata.21087

We report the 24-GeV/c inclusive π− yield near θc.m.=90° for 0.5<~PT≲2.2 GeV/c. No high-PT excess is seen at this energy. In addition we have obtained the inclusive γ-ray yield from a measurement of low-mass e+e− pairs. This yield is compared with that expected from π0-, η-, and ω-meson decay, to provide limits on possible direct photon production.

1 data table
Table 1

No description provided.


Pion Production at High Transverse Momentum in 24-{GeV} Proton Proton Collisions

Beier, E.W. ; Patton, R. ; Raychaudhuri, K. ; et al.
Phys.Rev.D 18 (1978) 2235, 1978.
Inspire Record 7054 DOI 10.17182/hepdata.24372

We report measurements of the inclusive π− and π+ yields in 24-GeV proton-proton collisions at θc.m.=90° for 2.2≤PT≤2.8 GeV/c. There is a high-PT deficit, rather than excess, at this incident energy.

3 data tables
Table 1

THIS DATA IS FROM AN 'UNBIASED TRIGGER' WHICH RESPONDS TO ANY CHARGED PARTICLE.

Table 2

THIS DATA IS FROM AN 'ELECTRON TRIGGER' WHICH RESPONDS ONLY TO PARTICLES THAT ARE ABOVE THRESHOLD IN > OR = 2 OF THE 3 CERENKOV COUNTERS IN THE LEAD- GLASS DETECTORS.

Table 3

THIS DATA IS FROM AN 'ELECTRON TRIGGER' WHICH RESPONDS ONLY TO PARTICLES THAT ARE ABOVE THRESHOLD IN > OR = 2 OF THE 3 CERENKOV COUNTERS IN THE LEAD- GLASS DETECTORS.