Separated Structure Functions for Exclusive $K^+\Lambda$ and $K^+\Sigma^0$ Electroproduction at 5.5 GeV with CLAS
D.S. Carman
,
K. Park
,
B.A. Raue
,
K.P. Adhikari
,
D. Adikaram
,
M. Aghasyan
,
M.J. Amaryan
,
M.D. Anderson
,
S. Anefalos Pereira
,
M. Anghinolfi
,
H. Avakian
,
H. Baghdasaryan
,
J. Ball
(1)
,
N.A. Baltzell
,
M. Battaglieri
,
V. Batourine
,
I. Bedlinskiy
,
A.S. Biselli
,
J. Bono
,
S. Boiarinov
,
W.J. Briscoe
,
W.K. Brooks
,
V.D. Burkert
,
A. Celentano
,
S. Chandavar
,
G. Charles
(1)
,
P.L. Cole
,
M. Contalbrigo
,
O. Cortes
,
V. Crede
,
A. d'Angelo
,
N. Dashyan
,
R. de Vita
,
E. de Sanctis
,
A. Deur
,
C. Djalali
,
D. Doughty
,
R. Dupre
,
A. El Alaoui
,
L. El Fassi
,
P. Eugenio
,
G. Fedotov
,
S. Fegan
,
R. Fersch
,
J.A. Fleming
,
A. Fradi
,
M.Y. Gabrielyan
,
N. Gevorgyan
,
K.L. Giovanetti
,
F.X. Girod
,
J.T. Goetz
,
W. Gohn
,
R.W. Gothe
,
K.A. Griffioen
,
B. Guegan
,
M. Guidal
,
L. Guo
,
K. Hafidi
,
H. Hakobyan
,
C. Hanretty
,
N. Harrison
,
D. Heddle
,
K. Hicks
,
D. Ho
,
M. Holtrop
,
Y. Ilieva
,
D.G. Ireland
,
B.S. Ishkhanov
,
E.L. Isupov
,
H.S. Jo
,
K. Joo
,
D. Keller
,
M. Khandaker
,
P. Khetarpal
,
A. Kim
,
W. Kim
,
A. Klein
,
F.J. Klein
,
S. Koirala
,
A. Kubarovsky
,
V. Kubarovsky
,
S.V. Kuleshov
,
N.D. Kvaltine
,
S. Lewis
,
K. Livingston
,
H.Y. Lu
,
I.J.D. Macgregor
,
Y. Mao
,
David Martinez
,
M. Mayer
,
B. Mckinnon
,
M.D. Mestayer
,
C.A. Meyer
,
T. Mineeva
,
M. Mirazita
,
V. Mokeev
,
R.A. Montgomery
,
H. Moutarde
(1)
,
E. Munevar
,
C. Munoz Camacho
,
P. Nadel-Turonski
,
R. Nasseripour
,
C.S. Nepali
,
S. Niccolai
,
G. Niculescu
,
I. Niculescu
,
M. Osipenko
,
A.I. Ostrovidov
,
L.L. Pappalardo
,
R. Paremuzyan
,
S. Park
,
E. Pasyuk
,
E. Phelps
,
J.J. Phillips
,
S. Pisano
,
O. Pogorelko
,
S. Pozdniakov
,
J.W. Price
,
S. Procureur
(1)
,
Y. Prok
,
D. Protopopescu
,
A.J.R. Puckett
,
G. Ricco
,
D. Rimal
,
M. Ripani
,
G. Rosner
,
P. Rossi
,
F. Sabatié
(1)
,
M.S. Saini
,
C. Salgado
,
N.A. Saylor
,
D. Schott
,
R.A. Schumacher
,
E. Seder
,
H. Seraydaryan
,
Y.G. Sharabian
,
G.D. Smith
,
D.I. Sober
,
D. Sokhan
,
S.S. Stepanyan
,
S. Stepanyan
,
P. Stoler
,
I.I. Strakovsky
,
S. Strauch
,
M. Taiuti
,
W. Tang
,
C.E. Taylor
,
Y. Tian
,
S. Tkachenko
,
A. Trivedi
,
M. Ungaro
,
B. Vernarsky
,
H. Voskanyan
,
E. Voutier
(2)
,
N.K. Walford
,
L.B. Weinstein
,
M.H. Wood
,
N. Zachariou
,
L. Zana
,
J. Zhang
,
Z.W. Zhao
,
I. Zonta
D.S. Carman
- Function : Author
K. Park
- Function : Author
B.A. Raue
- Function : Author
K.P. Adhikari
- Function : Author
D. Adikaram
- Function : Author
M. Aghasyan
- Function : Author
M.J. Amaryan
- Function : Author
M.D. Anderson
- Function : Author
S. Anefalos Pereira
- Function : Author
M. Anghinolfi
- Function : Author
H. Avakian
- Function : Author
H. Baghdasaryan
- Function : Author
N.A. Baltzell
- Function : Author
M. Battaglieri
- Function : Author
V. Batourine
- Function : Author
I. Bedlinskiy
- Function : Author
- PersonId : 755548
- ORCID : 0000-0002-0289-0866
A.S. Biselli
- Function : Author
J. Bono
- Function : Author
S. Boiarinov
- Function : Author
W.J. Briscoe
- Function : Author
W.K. Brooks
- Function : Author
- PersonId : 755396
- ORCID : 0000-0001-6161-3570
V.D. Burkert
- Function : Author
A. Celentano
- Function : Author
- PersonId : 764982
- ORCID : 0000-0002-7104-2983
S. Chandavar
- Function : Author
P.L. Cole
- Function : Author
- PersonId : 755394
- ORCID : 0000-0002-9922-1350
M. Contalbrigo
- Function : Author
O. Cortes
- Function : Author
V. Crede
- Function : Author
A. d'Angelo
- Function : Author
- PersonId : 755183
- ORCID : 0000-0003-3050-4907
N. Dashyan
- Function : Author
R. de Vita
- Function : Author
E. de Sanctis
- Function : Author
A. Deur
- Function : Author
- PersonId : 755225
- ORCID : 0000-0002-2203-7723
C. Djalali
- Function : Author
D. Doughty
- Function : Author
R. Dupre
- Function : Author
- PersonId : 740338
- IdHAL : raphael-dupre
- ORCID : 0000-0001-7935-8221
- IdRef : 165334010
A. El Alaoui
- Function : Author
L. El Fassi
- Function : Author
P. Eugenio
- Function : Author
G. Fedotov
- Function : Author
S. Fegan
- Function : Author
- PersonId : 740343
- IdHAL : stephen-fegan
- ORCID : 0000-0002-9978-2510
- IdRef : 253133149
R. Fersch
- Function : Author
J.A. Fleming
- Function : Author
A. Fradi
- Function : Author
M.Y. Gabrielyan
- Function : Author
N. Gevorgyan
- Function : Author
K.L. Giovanetti
- Function : Author
F.X. Girod
- Function : Author
J.T. Goetz
- Function : Author
W. Gohn
- Function : Author
R.W. Gothe
- Function : Author
- PersonId : 755539
- ORCID : 0000-0001-9833-3695
K.A. Griffioen
- Function : Author
B. Guegan
- Function : Author
M. Guidal
- Function : Author
L. Guo
- Function : Author
K. Hafidi
- Function : Author
H. Hakobyan
- Function : Author
C. Hanretty
- Function : Author
N. Harrison
- Function : Author
D. Heddle
- Function : Author
K. Hicks
- Function : Author
D. Ho
- Function : Author
M. Holtrop
- Function : Author
- PersonId : 755237
- ORCID : 0000-0002-1110-1152
Y. Ilieva
- Function : Author
D.G. Ireland
- Function : Author
B.S. Ishkhanov
- Function : Author
E.L. Isupov
- Function : Author
H.S. Jo
- Function : Author
K. Joo
- Function : Author
D. Keller
- Function : Author
- PersonId : 755224
- ORCID : 0000-0002-2608-1270
M. Khandaker
- Function : Author
- PersonId : 755252
- ORCID : 0000-0003-0370-9536
P. Khetarpal
- Function : Author
A. Kim
- Function : Author
W. Kim
- Function : Author
A. Klein
- Function : Author
F.J. Klein
- Function : Author
S. Koirala
- Function : Author
A. Kubarovsky
- Function : Author
V. Kubarovsky
- Function : Author
S.V. Kuleshov
- Function : Author
N.D. Kvaltine
- Function : Author
S. Lewis
- Function : Author
K. Livingston
- Function : Author
H.Y. Lu
- Function : Author
I.J.D. Macgregor
- Function : Author
- PersonId : 762745
- ORCID : 0000-0002-8005-9787
Y. Mao
- Function : Author
David Martinez
- Function : Author
- PersonId : 831565
M. Mayer
- Function : Author
B. Mckinnon
- Function : Author
M.D. Mestayer
- Function : Author
C.A. Meyer
- Function : Author
T. Mineeva
- Function : Author
- PersonId : 761901
- ORCID : 0000-0002-1774-4802
M. Mirazita
- Function : Author
V. Mokeev
- Function : Author
- PersonId : 755398
- ORCID : 0000-0002-4557-1320
R.A. Montgomery
- Function : Author
E. Munevar
- Function : Author
C. Munoz Camacho
- Function : Author
- PersonId : 742360
- IdHAL : carlos-munoz-camacho
P. Nadel-Turonski
- Function : Author
R. Nasseripour
- Function : Author
C.S. Nepali
- Function : Author
S. Niccolai
- Function : Author
G. Niculescu
- Function : Author
I. Niculescu
- Function : Author
M. Osipenko
- Function : Author
- PersonId : 755399
- ORCID : 0000-0001-9618-3013
A.I. Ostrovidov
- Function : Author
L.L. Pappalardo
- Function : Author
R. Paremuzyan
- Function : Author
S. Park
- Function : Author
E. Pasyuk
- Function : Author
- PersonId : 755395
- ORCID : 0000-0003-3877-1815
E. Phelps
- Function : Author
J.J. Phillips
- Function : Author
S. Pisano
- Function : Author
O. Pogorelko
- Function : Author
S. Pozdniakov
- Function : Author
J.W. Price
- Function : Author
Y. Prok
- Function : Author
D. Protopopescu
- Function : Author
- PersonId : 755397
- ORCID : 0000-0002-8047-6513
A.J.R. Puckett
- Function : Author
G. Ricco
- Function : Author
D. Rimal
- Function : Author
M. Ripani
- Function : Author
- PersonId : 755184
- ORCID : 0000-0001-8632-7538
G. Rosner
- Function : Author
P. Rossi
- Function : Author
M.S. Saini
- Function : Author
C. Salgado
- Function : Author
N.A. Saylor
- Function : Author
D. Schott
- Function : Author
R.A. Schumacher
- Function : Author
E. Seder
- Function : Author
H. Seraydaryan
- Function : Author
Y.G. Sharabian
- Function : Author
G.D. Smith
- Function : Author
D.I. Sober
- Function : Author
D. Sokhan
- Function : Author
S.S. Stepanyan
- Function : Author
S. Stepanyan
- Function : Author
P. Stoler
- Function : Author
I.I. Strakovsky
- Function : Author
S. Strauch
- Function : Author
M. Taiuti
- Function : Author
W. Tang
- Function : Author
C.E. Taylor
- Function : Author
Y. Tian
- Function : Author
S. Tkachenko
- Function : Author
A. Trivedi
- Function : Author
M. Ungaro
- Function : Author
B. Vernarsky
- Function : Author
H. Voskanyan
- Function : Author
E. Voutier
- Function : Author
- PersonId : 749688
- IdHAL : eric-voutier
- ORCID : 0000-0003-4990-3369
- IdRef : 081534604
N.K. Walford
- Function : Author
L.B. Weinstein
- Function : Author
M.H. Wood
- Function : Author
N. Zachariou
- Function : Author
- PersonId : 760627
- ORCID : 0000-0001-7621-5612
L. Zana
- Function : Author
- PersonId : 755516
- ORCID : 0000-0002-1434-052X
J. Zhang
- Function : Author
Z.W. Zhao
- Function : Author
I. Zonta
- Function : Author
Abstract
We report measurements of the exclusive electroproduction of $K^+\Lambda$ and $K^+\Sigma^0$ final states from an unpolarized proton target using the CLAS detector at the Thomas Jefferson National Accelerator Facility. The separated structure functions $\sigma_U$, $\sigma_{LT}$, $\sigma_{TT}$, and $\sigma_{LT'}$ were extracted from the $\Phi$-dependent differential cross sections acquired with a longitudinally polarized 5.499 GeV electron beam. The data span a broad range of momentum transfers $Q^2$ from 1.4 to 3.9 GeV$^2$, invariant energy $W$ from threshold to 2.6 GeV, and nearly the full center-of-mass angular range of the kaon. The separated structure functions provide an unprecedented data sample, which in conjunction with other meson photo- and electroproduction data, will help to constrain the higher-level analyses being performed to search for missing baryon resonances.