First measurement of target and double spin asymmetries for polarized-e polarized-p ---> e p pi0 in the nucleon resonance region above the Delta(1232)
- Biselli AS
- Burkert VD
- Amaryan MJ
- Asryan G
- Avakian H
- Bagdasaryan H
- Baillie N
- Ball JP
- Baltzell NA
- Battaglieri Marco
- Bedlinskiy I
- Bellis M
- Benmouna N
- Berman BL
- Blaszczyk L
- Bookwalter C
- Boiarinov S
- Bosted P
- Bradford R
- Branford D
- Briscoe WJ
- Brooks WK
- Bultmann S
- Butuceanu C
- Calarco JR
- Careccia SL
- Carman DS
- Casey L
- Chen S
- Cheng L
- Cole PL
- Collins P
- Coltharp P
- Crabb D
- Crede V
- Dale D
- Dashyan N
- Masi R
- De Vita Raffaella
- De Sanctis Enzo
- Degtyarenko PV
- Deur A
- Dhamija S
- Dickson R
- Djalali C
- Dodge GE
- Doughty D
- Dugger M
- Dzyubak OP
- Egiyan H
- Fassi L
- Elouadrhiri L
- Eugenio P
- Fedotov G
- Feuerbach R
- Fersch R
- Forest TA
- Fradi A
- Garcon M
- Gavaliann G
- Gevorgyan N
- Gilfoyle GP
- Giovanetti KL
- Girod FX
- Goetz JT
- Gohn W
- Gothe RW
- Graham L
- Griffioen KA
- Guidal M
- Guler N
- Guo L
- Gyurjyan V
- Hafidi K
- Hakobyan H
- Hanretty C
- Hassall N
- Hicks K
- Hleiqawi I
- Holtrop M
- Hyde Wright CE
- Ilieva Y
- Ireland DG
- Ishkhanov BS
- Isupov EL
- Ito MM
- Jenkins D
- Jo HS
- Johnstone JR
- Joo K
- Juengst HG
- Kalantarians N
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- Kellie JD
- Khandaker M
- Kim W
- Klein A
- Klein FJ
- Kossov M
- Krahn Z
- Kubarovsky V
- Kuhn J
- Kuhn SE
- Kuleshov SV
- Kuznetsov V
- Lachniet J
- Laget JM
- Langheinrich J
- Lawrence D
- Livingston K
- Lu HY
- MacCormick M
- Markov N
- Mattione P
- McKinnon B
- McNabb JWC
- Mecking BA
- Mestayer MD
- Meyer CA
- Mibe T
- Mikhailov K
- Mirazita Marco
- Mokeev V
- Moreno B
- Moriya K
- Morrow SA
- Moteabbed M
- Munevar E
- Mutchler GS
- Nadel Turonski P
- Nasseripour R
- Niccolai S
- Niculescu G
- Niculescu I
- Niczyporuk BB
- Niroula MR
- Niyazov RA
- Nozar M
- Osipenko Mikhail
- Ostrovidov AI
- Park K
- Park S
- Pasyuk E
- Paterson C
- Pereira SA
- Pierce J
- Pivnyuk N
- Pogorelko O
- Pozdniakov S
- Price JW
- Prok Y
- Protopopescu D
- Raue BA
- Ripani Marco
- Ritchie BG
- Rosner G
- Rossi Patrizia
- Sabatie F
- Saini MS
- Salamanca J
- Salgado C
- Santoro JP
- Sapunenko V
- Schott D
- Schumacher RA
- Serov VS
- Sharabian YG
- Sharov D
- Shvedunov NV
- Smith ES
- Sober DI
- Sokhan D
- Stavinsky A
- Stepanyan SS
- Stepanyan S
- Stokes BE
- Stoler P
- Strakovsky II
- Strauch S
- Tedeschi DJ
- Tkabladze A
- Tkachenko S
- Todor L
- Ungaro M
- Vineyard MF
- Vlassov AV
- Watts DP
- Weinstein LB
- Weygand DP
- Williams M
- Wolin E
- Wood MH
- Yegneswaran A
- Yurov M
- Zana L
- Zhang J
- Zhao B
- Zhao ZW
- RICCO, GIOVANNI
- TAIUTI, MAURO GINO
DOIAbstract
The exclusive channel p(e,e(')p)pi(0) was studied in the first and second nucleon resonance regions in the Q(2) range from 0.187 to 0.770 GeV(2) at Jefferson Lab using the CEBAF Large Acceptance Spectrometer. Longitudinal target and beam-target asymmetries were extracted over a large range of center-of-mass angles of the pi(0) and compared to the unitary isobar model MAID, the dynamic model by Sato and Lee, and the dynamic model DMT. A strong sensitivity to individual models was observed, in particular for the target asymmetry and in the higher invariant mass region. This data set, once included in the global fits of the above models, is expected to place strong constraints on the electrocoupling amplitudes A(1/2) and S(1/2) for the Roper r...
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