Abstract
Double-spin asymmetries in the cross section of electroproduction of ρ0 and φ mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in exclusive ρ0 electroproduction on the proton exhibits a positive tendency. This is consistent with theoretical predictions that the exchange of an object with unnatural parity contributes to exclusive ρ0 electroproduction by transverse photons. The photoabsorption asymmetry on the deuteron is found to be consistent with zero. Double-spin asymmetries in ρ0 and φ meson electroproduction by quasi-real photons were also found to be consistent with zero; the asymmetry in the case of the φ meson is compatible with a theoretical prediction which involves ss̄ knockout from the nucleon.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 171-179 |
| Number of pages | 9 |
| Journal | European Physical Journal C |
| Volume | 29 |
| Issue number | 2 |
| DOIs | |
| State | Published - Jul 2003 |
ASJC Scopus subject areas
- Engineering (miscellaneous)
- Physics and Astronomy (miscellaneous)
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Double-spin asymmetries in the cross section of ρ0 and φ production at intermediate energies. / Airapetian, A.; Akopov, N.; Akopov, Z.; Amarian, M.; Ammosov, V. V.; Andrus, A.; Aschenauer, E. C.; Augustyniak, W.; Avakian, R.; Avetissian, A.; Avetissian, E.; Bailey, P.; Baturin, V.; Baumgarten, C.; Beckmann, M.; Belostotski, S.; Bernreuther, S.; Bianchi, N.; Blok, H. P.; Böttcher, H.; Borissov, A.; Bouwhuis, M.; Brack, J.; Brüll, A.; Bryzgalov, V.; Capitani, G. P.; Chiang, H. C.; Ciullo, G.; Contalbrigo, M.; Court, G. R.; Dalpiaz, P. F.; De Leo, R.; De Nardo, L.; De Sanctis, E.; Devitsin, E.; Di Nezza, P.; Düren, M.; Ehrenfried, M.; Elalaoui-Moulay, A.; Elbakian, G.; Ellinghaus, F.; 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.; Ivanilov, A.; 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.; Lipka, K.; Lorenzon, W.; Maiheu, B.; Makins, N. C.R.; Marianski, B.; 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.; Nowak, W. D.; Oganessyan, K.; Ohsuga, H.; Orlandi, G.; Pickert, N.; Potashov, S.; Potterveld, D. H.; Raithel, M.; Reggiani, D.; Reimer, P.; Reischl, A.; Reolon, A. R.; Rith, K.; Rosner, G.; Rostomyan, A.; Rubacek, L.; Ryckbosch, D.; Salomatin, Y.; Sanjiev, I.; Savin, I.; Scarlett, C.; Schäfer, A.; Schill, C.; Schnell, G.; Schüler, K. P.; Schwind, A.; Seidl, R.; Seitz, B.; Shanidze, R.; Shearer, C.; Shibata, T. A.; Shutov, V.; Simani, M. C.; Sinram, K.; Stancari, M.; Statera, M.; Steffens, E.; Steijger, J. J.M.; Stewart, J.; Stösslein, U.; Tait, P.; Tanaka, H.; Taroian, S.; Tchuiko, B.; Terkulov, A.; 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.; Vogel, C.; Vogt, M.; Volmer, J.; Weiskopf, C.; Wendland, J.; Wilbert, J.; Wise, T.; Yen, S.; Yoneyama, S.; Zihlmann, B.; Zohrabian, H.; Zupranski, P.
In: European Physical Journal C, Vol. 29, No. 2, 07.2003, p. 171-179.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Double-spin asymmetries in the cross section of ρ0 and φ production at intermediate energies
AU - Airapetian, A.
AU - Akopov, N.
AU - Akopov, Z.
AU - Amarian, M.
AU - Ammosov, V. V.
AU - Andrus, A.
AU - Aschenauer, E. C.
AU - Augustyniak, W.
AU - Avakian, R.
AU - Avetissian, A.
AU - Avetissian, E.
AU - Bailey, P.
AU - Baturin, V.
AU - Baumgarten, C.
AU - Beckmann, M.
AU - Belostotski, S.
AU - Bernreuther, S.
AU - Bianchi, N.
AU - Blok, H. P.
AU - Böttcher, H.
AU - Borissov, A.
AU - Bouwhuis, M.
AU - Brack, J.
AU - Brüll, A.
AU - Bryzgalov, V.
AU - Capitani, G. P.
AU - Chiang, H. C.
AU - Ciullo, G.
AU - Contalbrigo, M.
AU - Court, G. R.
AU - Dalpiaz, P. F.
AU - De Leo, R.
AU - De Nardo, L.
AU - De Sanctis, E.
AU - Devitsin, E.
AU - Di Nezza, P.
AU - Düren, M.
AU - Ehrenfried, M.
AU - Elalaoui-Moulay, A.
AU - Elbakian, G.
AU - Ellinghaus, F.
AU - Elschenbroich, U.
AU - Ely, J.
AU - Fabbri, R.
AU - Fantoni, A.
AU - Fechtchenko, A.
AU - Felawka, L.
AU - Fox, B.
AU - Franz, J.
AU - Frullani, S.
AU - Gärber, Y.
AU - Gapienko, G.
AU - Gapienko, V.
AU - Garibaldi, F.
AU - Garutti, E.
AU - Gaskell, D.
AU - Gavrilov, G.
AU - Gharibyan, V.
AU - Graw, G.
AU - Grebeniouk, O.
AU - Greeniaus, L. G.
AU - Haeberli, W.
AU - Hafidi, K.
AU - Hartig, M.
AU - Hasch, D.
AU - Heesbeen, D.
AU - Henoch, M.
AU - Hertenberger, R.
AU - Hesselink, W. H.A.
AU - Hillenbrand, A.
AU - Holler, Y.
AU - Hommez, B.
AU - Iarygin, G.
AU - Ivanilov, A.
AU - Izotov, A.
AU - Jackson, H. E.
AU - Jgoun, A.
AU - Kaiser, R.
AU - Kinney, E.
AU - Kisselev, A.
AU - Königsmann, K.
AU - Kolster, H.
AU - Kopytin, M.
AU - Korotkov, V.
AU - Kozlov, V.
AU - Krauss, B.
AU - Krivokhijine, V. G.
AU - Lagamba, L.
AU - Lapikás, L.
AU - Laziev, A.
AU - Lenisa, P.
AU - Liebing, P.
AU - Lindemann, T.
AU - Lipka, K.
AU - Lorenzon, W.
AU - Maiheu, B.
AU - Makins, N. C.R.
AU - Marianski, B.
AU - Marukyan, H.
AU - Masoli, F.
AU - Menden, F.
AU - Mexner, V.
AU - Meyners, N.
AU - Mikloukho, O.
AU - Miller, C. A.
AU - Miyachi, Y.
AU - Muccifora, V.
AU - Nagaitsev, A.
AU - Nappi, E.
AU - Naryshkin, Y.
AU - Nass, A.
AU - Nowak, W. D.
AU - Oganessyan, K.
AU - Ohsuga, H.
AU - Orlandi, G.
AU - Pickert, N.
AU - Potashov, S.
AU - Potterveld, D. H.
AU - Raithel, M.
AU - Reggiani, D.
AU - Reimer, P.
AU - Reischl, A.
AU - Reolon, A. R.
AU - Rith, K.
AU - Rosner, G.
AU - Rostomyan, A.
AU - Rubacek, L.
AU - Ryckbosch, D.
AU - Salomatin, Y.
AU - Sanjiev, I.
AU - Savin, I.
AU - Scarlett, C.
AU - Schäfer, A.
AU - Schill, C.
AU - Schnell, G.
AU - Schüler, K. P.
AU - Schwind, A.
AU - Seidl, R.
AU - Seitz, B.
AU - Shanidze, R.
AU - Shearer, C.
AU - Shibata, T. A.
AU - Shutov, V.
AU - Simani, M. C.
AU - Sinram, K.
AU - Stancari, M.
AU - Statera, M.
AU - Steffens, E.
AU - Steijger, J. J.M.
AU - Stewart, J.
AU - Stösslein, U.
AU - Tait, P.
AU - Tanaka, H.
AU - Taroian, S.
AU - Tchuiko, B.
AU - Terkulov, A.
AU - Thomas, E.
AU - Tkabladze, A.
AU - Trzcinski, A.
AU - Tytgat, M.
AU - Urciuoli, G. M.
AU - van der Nat, P.
AU - van der Steenhoven, G.
AU - van de Vyver, R.
AU - Vetterli, M. C.
AU - Vikhrov, V.
AU - Vincter, M. G.
AU - Visser, J.
AU - Vogel, C.
AU - Vogt, M.
AU - Volmer, J.
AU - Weiskopf, C.
AU - Wendland, J.
AU - Wilbert, J.
AU - Wise, T.
AU - Yen, S.
AU - Yoneyama, S.
AU - Zihlmann, B.
AU - Zohrabian, H.
AU - Zupranski, P.
N1 - Copyright: Copyright 2020 Elsevier B.V., All rights reserved.
PY - 2003/7
Y1 - 2003/7
N2 - Double-spin asymmetries in the cross section of electroproduction of ρ0 and φ mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in exclusive ρ0 electroproduction on the proton exhibits a positive tendency. This is consistent with theoretical predictions that the exchange of an object with unnatural parity contributes to exclusive ρ0 electroproduction by transverse photons. The photoabsorption asymmetry on the deuteron is found to be consistent with zero. Double-spin asymmetries in ρ0 and φ meson electroproduction by quasi-real photons were also found to be consistent with zero; the asymmetry in the case of the φ meson is compatible with a theoretical prediction which involves ss̄ knockout from the nucleon.
AB - Double-spin asymmetries in the cross section of electroproduction of ρ0 and φ mesons on the proton and deuteron are measured at the HERMES experiment. The photoabsorption asymmetry in exclusive ρ0 electroproduction on the proton exhibits a positive tendency. This is consistent with theoretical predictions that the exchange of an object with unnatural parity contributes to exclusive ρ0 electroproduction by transverse photons. The photoabsorption asymmetry on the deuteron is found to be consistent with zero. Double-spin asymmetries in ρ0 and φ meson electroproduction by quasi-real photons were also found to be consistent with zero; the asymmetry in the case of the φ meson is compatible with a theoretical prediction which involves ss̄ knockout from the nucleon.
UR - http://www.scopus.com/inward/record.url?scp=0042413894&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0042413894&partnerID=8YFLogxK
U2 - 10.1140/epjc/s2003-01232-3
DO - 10.1140/epjc/s2003-01232-3
M3 - Article
AN - SCOPUS:0042413894
VL - 29
SP - 171
EP - 179
JO - European Physical Journal C
JF - European Physical Journal C
SN - 1434-6044
IS - 2
ER -