A POSSIBLE ISOSPIN 0 NUCLEON-NUCLEON RESONANCE

Grein, W.; Konig, A.; Kroll, P.

doi:10.1016/0370-2693(80)90239-7

A POSSIBLE ISOSPIN 0 NUCLEON-NUCLEON RESONANCE

May, 1980

5 pages

Published in:

Phys.Lett.B 96 (1980) 176-180

Published: 1980

DOI:

10.1016/0370-2693(80)90239-7

Report number:

WU-B-80-13

View in:

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Abstract: (Elsevier)

Analyzing new Δσ L (pn) data and forward pn charge exchange differential cross-sections, we have found evidence for (at least) one NN resonance with isospin zero and abnormal spin-parity (1 + , 3 + …). Its mass is 2.25 GeV and its width is about 0.10 GeV. We have checked by estimating the inelasticity with a Deck model for pion production, that the structures in the data are not produced by the (nonresonant) dynamics of the inelastic channel.

P N: CHARGE EXCHANGE
CHARGE EXCHANGE: P N
P N: INTERACTION
INTERACTION: P N
P: POLARIZED BEAM
POLARIZED BEAM: P
N: POLARIZED TARGET
POLARIZED TARGET: N
POSTULATED PARTICLE: NUCLEON RESONANCE(2250)
NUCLEON RESONANCE(2250): POSTULATED PARTICLE

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