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Effective Regge trajectory for pp→dπ

Journal Article · · Lettere al Nuovo Cimento
DOI:https://doi.org/10.1007/bf02798864· OSTI ID:4563428
The failure to observe a dip in da/d@ at ~=--0.15 (GeV/ef (i.e. at the first wrong-signature nonsense point of the J~ Regge trajectory) in the reactions pp-* d=, pp-*dp (1) and 7d-~pn(~) has given rise to two types of theoretical speculations: broken exchange degeneracy (s) and Regge cut (4). The absence of systematic data has until recently prevented any meaningful test of the predictions of these models. Although even more data would be useful, an attempt to extract the effective Regge trajectory from the timelike, ~ = ~- 0.08 (GeV/o) ~, to the spacelike, ~ ---- --2.1 (GeV/c) ~, region has been made. New data cover the frequency ~---- 89 range 5.8<~ 44.2 GeV 2, i.e. incident laboratory momenta p ----4.00, 5.05 (5), 10.0 (6), 11.5 (~), 12.0 (e), 12.33 (~), 14.2, 19.2 (e), 21.1 (1), 24.0 (6) GeV/c.
Research Organization:
National Research Council of Canada, Ottawa
NSA Number:
NSA-27-010641
OSTI ID:
4563428
Journal Information:
Lettere al Nuovo Cimento, Journal Name: Lettere al Nuovo Cimento Journal Issue: 15 Vol. 5; ISSN 1827-613X
Country of Publication:
Canada
Language:
English

References (7)

Broken-Duality Model for the Reactionpp→π+d journal June 1969
Differential cross-sections for the reactions p+p→d+π+ and p+p→d+ρ+ in the energy range from 10 to 24 GeV journal May 1972
Evidence for boson production via isobar decay journal September 1971
Cross Sections forp+p→d+ρ+from 4.0 to 12.3GeVcand a Search for theδ+ journal January 1971
Fermion Reggeization Without Parity Doubling journal January 1970
Differential cross sections for the reactions p + p → D + π+ and p + p → D + ϱ+ at 21 GeV/c journal April 1969
Effective trajectories in the presence of Regge cuts journal November 1968

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Related Subjects

DEUTERONS
DIFFERENTIAL CROSS SECTIONS
GEV RANGE 01-10
GEV RANGE 10- 100
LINEAR MOMENTUM
N64270* --Physics (High Energy)--Particle Interactions &amp; Properties (Theoretical)--Strong (Baryon No. &gt;= 2)
PARTICLE PRODUCTION
PIONS
PROTON BEAMS
PROTONS
PROTONS/interactions p + p $Yields$ d + $pi$ at 4 to 24 GeV/c
effective Regge trajectory for differential cross sections for
(T)
REGGE TRAJECTORIES
STRONG INTERACTIONS