; Elschenbroich, U. ; Ely, J. ; Fabbri, R. ; Fantoni, A. ; Fechtchenko, A. ; Felawka, L. ; Fox, B. ; Franz, J. ; Frullani, S. ; Gärber, Y. ; Gapienko, G. ; Gapienko, V. ; Garibaldi, F. ; Garutti, E. ; Gaskell, D. ; Gavrilov, G. ; Gharibyan, V. ; Graw, G. ; Grebeniouk, O. ; Greeniaus, L. G. ; Haeberli, W. ; Hafidi, K. ; Hartig, M. ; Hasch, D. ; Heesbeen, D. ; Henoch, M. ; Hertenberger, R. ; Hesselink, W. H. A. ; Hillenbrand, A. ; Holler, Y. ; Hommez, B. ; Iarygin, G. ; Izotov, A. ; Jackson, H. E. ; Jgoun, A. ; Kaiser, R. ; Kinney, E. ; Kisselev, A. ; Königsmann, K. ; Kolster, H. ; Kopytin, M. ; Korotkov, V. ; Kozlov, V. ; Krauss, B. ; Krivokhijine, V. G. ; Lagamba, L. ; Lapikás, L. ; Laziev, A. ; Lenisa, P. ; Liebing, P. ; Lindemann, T. ; Lorenzon, W. ; Makins, N. C. R. ; Marukyan, H. ; Masoli, F. ; Menden, F. ; Mexner, V. ; Meyners, N. ; Mikloukho, O. ; Miller, C. A. ; Miyachi, Y. ; Muccifora, V. ; Nagaitsev, A. ; Nappi, E. ; Naryshkin, Y. ; Nass, A. ; Negodaeva, K. ; Nowak, W.-D. ; Oganessyan, K. ; Ohsuga, H. ; Orlandi, G. ; Podiatchev, S. ; Potashov, S. ; Potterveld, D. H. ; Raithel, M. ; Reggiani, D. ; Reimer, P.
; Reischl, A. ; Reolon, A. R. ; Rith, K. ; Rosner, G. ; Rostomyan, A. ; Ryckbosch, D. ; Sanjiev, I. ; Savin, I. ; Scarlett, C. ; Schäfer, A. ; Schill, C. ; Schnell, G. ; Schüler, K. P. ; Schwind, A. ; Seibert, J. ; Seitz, B. ; Shanidze, R. ; Shibata, T.-A. ; Shutov, V. ; Simani, M. C. ; Sinram, K. ; Stancari, M. ; Statera, M. ; Steffens, E. ; Steijger, J. J. M. ; Stewart, J. ; Stösslein, U. ; Tanaka, H. ; Taroian, S. ; Tchuiko, B. ; Terkulov, A.
; Tessarin, S. ; Thomas, E. ; Tkabladze, A. ; Trzcinski, A. ; Tytgat, M.
; Urciuoli, G. M. ; van der Nat, P. ; van der Steenhoven, G. ; van de Vyver, R. ; Vetterli, M. C.
; Vikhrov, V. ; Vincter, M. G.
; Visser, J. ; Vogt, M. ; Volmer, J. ; Weiskopf, C. ; Wendland, J. ; Wilbert, J. ; Wise, T. ; Yen, S. ; Yoneyama, S. ; Zihlmann, B. ; Zohrabian, H. ; Zupranski, P. | Dokumentenart: | Artikel | ||||
|---|---|---|---|---|---|
| Titel eines Journals oder einer Zeitschrift: | Physical Review Letters | ||||
| Verlag: | AMERICAN PHYSICAL SOC | ||||
| Ort der Veröffentlichung: | COLLEGE PK | ||||
| Band: | 90 | ||||
| Nummer des Zeitschriftenheftes oder des Kapitels: | 5 | ||||
| Datum: | 2003 | ||||
| Institutionen: | Physik > Institut für Theoretische Physik > Lehrstuhl Professor Schäfer > Arbeitsgruppe Andreas Schäfer | ||||
| Identifikationsnummer: |
| ||||
| Stichwörter / Keywords: | COLOR-TRANSPARENCY; VECTOR-MESONS; COHERENCE LENGTH; WAVE-FUNCTION; SCATTERING; ELECTROPRODUCTION; LEPTOPRODUCTION; PHOTOPRODUCTION; PHOTON; QCD; | ||||
| Dewey-Dezimal-Klassifikation: | 500 Naturwissenschaften und Mathematik > 530 Physik | ||||
| Status: | Veröffentlicht | ||||
| Begutachtet: | Ja, diese Version wurde begutachtet | ||||
| An der Universität Regensburg entstanden: | Ja | ||||
| Dokumenten-ID: | 72417 |
Zusammenfassung
Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to the lifetime of hadronic fluctuations of the virtual photon, and squared four-momentum of the virtual photon (-Q(2)). The ratio of N-14 to H-1 cross sections per nucleon, called nuclear transparency, ...

Zusammenfassung
Exclusive coherent and incoherent electroproduction of the rho(0) meson from H-1 and N-14 targets has been studied at the HERMES experiment as a function of coherence length (l(c)), corresponding to the lifetime of hadronic fluctuations of the virtual photon, and squared four-momentum of the virtual photon (-Q(2)). The ratio of N-14 to H-1 cross sections per nucleon, called nuclear transparency, was found to increase (decrease) with increasing l(c) for coherent (incoherent) rho(0) electroproduction. For fixed l(c), a rise of nuclear transparency with Q(2) is observed for both coherent and incoherent rho(0) production, which is in agreement with theoretical calculations of color transparency.
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