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Titolo:
Polarization observables in ((gamma)over-right-arrow,(N)over-right-arrow-N) reactions
Autore:
Giusti, C; Pacati, FD;
Indirizzi:
Univ Pavia, Dipartimento Fis Nucl & Teor, Pavia, Italy Univ Pavia Pavia Italy avia, Dipartimento Fis Nucl & Teor, Pavia, Italy Ist Nazl Fis Nucl, Sez Pavia, Pavia, Italy Ist Nazl Fis Nucl Pavia Italy st Nazl Fis Nucl, Sez Pavia, Pavia, Italy
Titolo Testata:
EUROPEAN PHYSICAL JOURNAL A
fascicolo: 1, volume: 12, anno: 2001,
pagine: 69 - 85
SICI:
1434-6001(200109)12:1<69:POI(>2.0.ZU;2-H
Fonte:
ISI
Lingua:
ENG
Soggetto:
2-NUCLEON KNOCKOUT REACTIONS; SHORT-RANGE CORRELATIONS; DISCRETE FINAL-STATES; S-1(0) PROTON-PAIR; GAMMA,PP REACTIONS; PHOTON-ABSORPTION; NUCLEI; O-16; MECHANISMS; SIGNATURES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
42
Recensione:
Indirizzi per estratti:
Indirizzo: Giusti, C Univ Pavia, Dipartimento Fis Nucl & Teor, Pavia, Italy Univ Pavia Pavia Italy rtimento Fis Nucl & Teor, Pavia, Italy
Citazione:
C. Giusti e F.D. Pacati, "Polarization observables in ((gamma)over-right-arrow,(N)over-right-arrow-N) reactions", EUR PHY J A, 12(1), 2001, pp. 69-85

Abstract

The formalism of (<(<gamma>)over right arrow>, (N) over right arrowN) reactions is given where the incident photon is polarized and the outgoing-nucleon polarization is detected. Sixteen structure functions and fifteen polarization observables are found in the general case, while only eight structure functions and seven polarization observables survive in coplanar kinematics. Numerical examples are presented for the O-16(gamma, np) and O-16(gamma, pp) reactions. The transitions to the ground state of C-14 and N-14 are calculated in a model where realistic short-range and tensor correlations are taken into account for the np pair, while short-range and long-range correlations are included in a consistent way for pp pairs. The effects of theone-body and two-body components of the nuclear current and the role of correlations in cross-sections and polarizations are studied and discussed.

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Documento generato il 29/05/20 alle ore 17:07:52