Nuclear levels as analyzers of high energy interactions

Scipione, D.; Mehlhop, Werner; Garland, R.; Piccioni, O.; Kirk, P.; Bowles, P.; Šebek, J.; Murty, S.S.; Kobrak, H. G. E.; Marraffino, J. M.; Allen, P.

doi:10.1016/0370-2693(72)90113-x

Cited by 11 publications

(7 citation statements)

References 10 publications

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“…Work on vector meson production on nuclei or Sw (ot) coherent diffractive production (compare refs. [S3, S4, So])^is a good example of the role of nuclear targets. One observed also excitations of specific nuclear levels by high energy hadrons [1,2]. This opens a possibUity [2] of selecting diffractive productions -n-ith nuclear levels as their analyzers.…”

Section: Introductionmentioning

confidence: 87%

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Interactions of high energy particles with nuclei

Czyż¹

1975

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Elastic scattering and diffractive production processes induced in nuclear targets by high energyprojectiles are discussed in this article. Special attention is paid to the interaction of high energi.-hadrons and photons. Interactions of high energy electrons and neutrinos are briefly mentioned. The common features of all these processes are emphasized throughout the article: The multiple scattering and shadowing processes inside of the target nuclei. An effort is made to develop a unified way of treating nuclear interactions of particles which are either hadrons or exhibit some hadronic components in such interactions. This article is divided into seven sections: (1) Introduction, (2) Description of multiple scattering, (3) Elastic scattering of hadrons from nuclei, (4) Diffractive dissociation and diffractive excitation, (5) Diffractive production of hadrons in hadron-nucleon collisions, (6) Shadowing effects in inelastic electron-nucleus scattering, (7) Shadowing effects in neutrino reactions on nuclei.

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Section: Introductionmentioning

confidence: 87%

“…If the potential is smooth enough (so that second derivatives of (p can be neglected), one can show that tp satisfies the approximate equationŵ hich gives d<p{x, y, z) i 7 = --V{x, y, z)^{x, y, z), dz V yPk^e^'"--/ dz'V{x, y, z'). 2 Notice that to have scattering in the limit > « we have to have "F~J?F' where V is energy independent.…”

Section: The Expressionmentioning

confidence: 99%

Interactions of high energy particles with nuclei

Czyż¹

1975

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“…We used/>j. 2 , the square of the component of the 3TT momentum perpendicular to the beam, since it has a smaller experimental uncertainty than t. We obtained the p 2 dependence from the forms At n e bt by using the observed Sir mass spectrum to convert from t to p ± 2 , and then multiplying by the p 2 acceptance of the spectrometer. Events with 377 mass between 1.0 and 1.4 GeV, and/> x 2 less than 0.12 (GeV/c) 2 , were included in the fits shown in Fig.…”

Section: Photon-eadronmentioning

confidence: 99%

“…Quite recently another surprising experimental result has been discovered, namely, the apparent growth of the total protonproton cross section (v pp ) at ultrahigh energies. 2 In view of the electron-scattering experiments it is only natural to ask if the parton structure of the proton is in any way responsible for this remarkable growth in v pp . It seems clear that there can be no general answer to this question since the light cone does not necessarily dominate hadron-hadron scattering.…”

Section: Photon-eadronmentioning

confidence: 99%

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Study ofπ−C→π+π−
Ascoli
¹
,
Chapin
²
,
Cutler
³

et al. 1973
Phys. Rev. Lett.
7
0
0
0
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to screen triality. 8 Understanding these quantum number issues is an important problem for the future.The relevance of these ideas to the real world can be tested by studying the final states of deepinelastic processes. The produced hadrons should form jets aligned along the direction of the struck parton. 9 Their distribution in momentum space should be given by dpjE (/>" measured along the direction of the struck parton) and their multiplicity should, therefore, grow logarithmically with q 2 . Once quark quantum numbers are incorporated into the present framework, many more predictions should result. Our ideas are still in a crude state. However, they possess the promise of providing much insight into many aspects of the problem of hadrons.One of us (J.K.) wishes to thank J. D. Bjorken for numerous conversations concerning the quarkparton puzzle. Professor Bjorken's intuitive ideas on deep-inelastic final states played a crucial role in the development of this work. J. K. also wishes to thank his colleagues at Tel-Aviv University for their warm hospitality.The production of three pions in carbon via 1= 0 exchange has been studied using the process 7r"C -*7r + 7r~7r"C*, where C* is the 7=0, J p = 2 + excited state of the carbon nucleus at 4.44 MeV. Preliminary results on the Sir mass distribution, the t distribution, and the spin and parity states within the Sir system are reported.

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Hadron-induced semi-coherent scattering and the excitation of the12C(2+, 4.4 MeV) level

Bertocchi

Troncon

1978

Nuov Cim A

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Nuclear levels as analyzers of high energy interactions

Cited by 11 publications

References 10 publications

Interactions of high energy particles with nuclei

Interactions of high energy particles with nuclei

Study ofπ−C→π+π−
Ascoli
¹
,
Chapin
²
,
Cutler
³

et al. 1973
Phys. Rev. Lett.
7
0
0
0
View full text Add to dashboard Cite

Hadron-induced semi-coherent scattering and the excitation of the12C(2+, 4.4 MeV) level

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Nuclear levels as analyzers of high energy interactions

Cited by 11 publications

References 10 publications

Interactions of high energy particles with nuclei

Interactions of high energy particles with nuclei

Study ofπ−C→π+π−Ascoli1, Chapin2, Cutler3 et al. 1973Phys. Rev. Lett.7000View full textAdd to dashboardCite

Hadron-induced semi-coherent scattering and the excitation of the12C(2+, 4.4 MeV) level

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Product

Resources

About

Study ofπ−C→π+π−
Ascoli
¹
,
Chapin
²
,
Cutler
³

et al. 1973
Phys. Rev. Lett.
7
0
0
0
View full text Add to dashboard Cite