CLAS Physics Publication Status

April 30, 2008

 

Older publication list can be found here http://www.jlab.org/Hall-B/pubs/index_old.html

 

Submitted:

 

1.       ÒFirst measurement of target and double spin asymmetries for polarized e- polarized p ˆ e p pi0 in the nucleon resonance region above the Delta(1232)Ó, A. Biselli et al. (The CLAS Collaboration), Submitted to Phys. Rev. C, April 2008. arXiv:0804.3079 [nucl-ex]

 

2.       ÒElectroexcitation of the Roper Resonance at 1.7 < Q^2 < 4.2 GeV^2 in ep->enpi+Ó, I. G. Aznauryan et al. (The CLAS Collaboration), Submitted to Phys. Rev. Lett., April 2008. arXiv:0804.0447v1 [nucl-ex]

 

3.       ÒElectroproduction of phi(1020) Mesons at High Q2 with CLASÓ, J. P. Santoro et al. (The CLAS Collaboration), Submitted to Phys. Rev. C, March 2008. arXiv:0803.3537 [nucl-ex]

 

4.       ÒLight Vector Mesons in the Nuclear MediumÓ, M. H. Wood, et al. (The CLAS Collaboration), Submitted to Phys. Rev. C, March 2008. arXiv:0803.0492v1 [nucl-ex]

 

5.       Moments of the Spin Structure Functions g1p and g1d for 0.05 < Q2 < 3.0 GeV2Ó, Y. Prok, et al. (The CLAS Collaboration), Submitted to Phys. Rev. C, February 2008. arXiv:0802.2232v1 [nucl-ex]

 

6.       ÒPolarized Structure Function ΣLT for p(pol(e),e`K+)Λ in the Nucleon Resonance RegionÓ, R. Nasseripour, et al. (The CLAS Collaboration), Submitted to Phys. Rev. C, January 2008. arXiv:0801.4711v1 [nucl-ex]

 

7.       ÒRatio of 15N/12C and 4He/12C inclusive electroproduction in the resonance regionÓ P. Bosted et al. (The CLAS Collaboration), Submitted to Phys. Rev. C, Dec. 2007. arXiv:0712.2438 [nucl-ex]

 

8.       ÒObservation of a backward peak in the gd¨p¡d cross section near the eta thresholdÓ, Y. Ilieva et al. (The CLAS Collaboration), Submitted to Phys. Rev. Lett. March 2007. arXiv:nucl-ex/0703006v1

 

Accepted:

 

1.        

 

 

 

Published:

 

2008

 

1.     ÒDeeply Virtual Compton Scattering Beam-Spin AsymmetriesÓ, F.X. Girod et al. (The CLAS Collaboration), Phys. Rev. Lett. 100, 162002 (2008). http://link.aps.org/abstract/PRL/v100/e162002  ,  arXiv:0711.4805

 

2.     ÒBeam spin asymmetry in deep and exclusive p0 electroproductionÓ, R. De Masi et al. (The CLAS Collaboration), Phys. Rev. C 77, 042201 (2008). http://link.aps.org/abstract/PRC/v77/e042201 , arXiv:0711.4736

 

3.     ÒA Bayesian analysis of pentaquark signals from CLAS dataÓ, D. G. Ireland et al. (The CLAS Collaboration), Phys. Rev. Lett. 100, 052001 (2008). http://link.aps.org/abstract/PRL/v100/e052001,  arXiv:0709.3154v1 [hep-ph]

 

4.      ÒCross Sections and Beam Asymmetries for ep¨enp+ in the Nucleon Resonance Region of 1.7 < Q2 < 4.5 GeV2Ó, K. Park et al. (The CLAS Collaboration), Phys. Rev. C. 77, 015208 (2008). http://link.aps.org/abstract/PRC/v77/e015208,  arXiv:0709.1946v2 [nucl-ex]

 

2007

 

1.     ÒSearch for Medium Modifications of the rho mesonÓ, R. Nasseripour et al. (The CLAS Collaboration), Phys. Rev. Lett. 99, 262302 (2007). http://link.aps.org/abstract/PRL/v99/e262302, arXiv:0707.2324v3 [nucl-ex]

 

2.      ÒCoherent Phi Meson Photoproduction from the Deuteron at Low EnergiesÓ, T. Mibe et al. (The CLAS Collaboration), Phys. Rev. C 76, 052202 (2007). http://link.aps.org/abstract/PRC/v76/e052202, arXiv:nucl-ex/0703013v1

 

3.     Òp0 photoproduction on the proton for photon energies from 0.675 to 2.875 GeVÓ, M. Dugger et al. (The CLAS Collaboration), Phys. Rev. C 76, 025211 (2007). http://link.aps.org/abstract/PRC/v76/e025211 (arXiv:0705.0816v1 [hep-ex])

 

4.     ÒCascade Production in the Reaction gp¨K+K+X and gp¨K+K+p-XÓ, L. Guo et al. (The CLAS Collaboration), Phys. Rev. C 76, 025208 (2007). http://link.aps.org/abstract/PRC/v76/e025208  (arXiv:nucl-ex/0702027v4)

 

5.     ÒQ2 Dependence of the S11(1535) Photocoupling and Evidence for a P-wave resonance in eta electroproductionÓ, H. Denizli et al. (The CLAS Collaboration), Phys. Rev. C 76, 015204 (2007). http://link.aps.org/abstract/PRC/v76/e015204 (arXiv:0704.2546v1 [nucl-ex])

 

6.     ÒExperimental Study of exclusive 2H(e,eÕp)n Reaction Mechanism at High Q2Ó, K.Sh. Egiyan et al. (The CLAS Collaboration), Phys. Rev. Lett. 98, 262502 (2007). http://link.aps.org/abstract/PRL/v98/e262502  (arXiv:nucl-ex/0701013v1)

 

7.     ÒFirst Measurement of Beam-Recoil Observables Cx and Cz in Hyperon PhotoproductionÓ, R. Bradford et al. (The CLAS Collaboration), Phys. Rev. C 75, 035205 (2007). http://link.aps.org/abstract/PRC/v75/e035205  (arXiv:nucl-ex/0611034v1)

 

8.     ÒSeparated Structure Functions for the Exclusive Electroproduction of K+L and K+S0 Final StatesÓ, P. Ambrozewicz et al. (The CLAS Collaboration), Phys. Rev. C 75, 045203 (2007).  http://link.aps.org/abstract/PRC/v75/e045203  (arXiv:hep-ex/0611036v1)

 

9.     ÒCross Sections for the gp¨K*0S+ Reaction at Eg=1.7-3.0 GeVÓ, I. Hleiqawi et al. (The CLAS Collaboration), Phys. Rev. C 75, 042201 (2007). Phys. Rev. C 76, 039905(E) (2007). http://link.aps.org/abstract/PRC/v75/e042201,  http://link.aps.org/abstract/PRC/v76/e039905,   (arXiv:nucl-ex/0701036v3)

 

10.  ÒQuark-Hadron Duality in Spin Structure Functions g11p and g1dÓ, P. Bosted et al., (The CLAS Collaboration), Phys Rev. C 75, 035203 (2007). http://link.aps.org/abstract/PRC/v75/e035203  (arXiv:hep-ph/0607283v1).

 

2006

 

1.     ÒMeasurement of Deeply Virtual Compton Scattering with a Polarized-Proton TargetÓ, S. Chen et al. (The CLAS Collaboration), Phys. Rev. Lett. 97, 072002 (2006).  (hep-ex/0605012)

 

2.     ÒSearch for the Q+ Pentaquark in the reactions gp¨\bar{K0}K+n and gp¨\bar{K0}K0pÓ, R. DeVita et al. (The CLAS Collaboration), Phys. Rev. D. 74, 032001 (2006). (hep-ex/0606062)

 

3.     ÒSearch for Q++ Pentaquarks in the Exclusive Reaction gp¨ K+K-pÓ, V. Kubarovsky et al. (The CLAS Collaboration), Phys. Rev. Lett. 97, 102001 (2006).  (hep-ex/0605001)

 

4.     ÒSearch for the Q+ Pentaquark in the reaction gd¨LnK+ reaction measured with the CLAS spectrometerÓ, S. Niccolai et al. (The CLAS Collaboration), Phys. Rev. Lett. 97, 032001 (2006). (hep-ex/0604047)

 

5.     ÒMeasurement of the N¨D transition at high momentum transfer by p0 electroproductionÓ, M. Ungaro et al. (the CLAS Collaboration) Phys. Rev. Lett. 97, 112003 (2006). (hep-ex/0606042)

 

6.     ÒDifferential Cross Sections for g + p ¨ K+ + Y for L and S0 hyperonsÓ R. Bradford et al. (The CLAS Collaboration), Phys. Rev. C 73, 035202 (2006). (nucl-ex/0509033)

 

7.     ÒMeasurement of the x- and Q2-dependence of the spin asymmetry A1 of the nucleonÓ, K.V. Dharmawardane et al., (The CLAS Collaboration), Phys. Lett. B 641, 11 (2006). (nucl-ex/0605028)

 

8.     ÒSearch for the Q+ Pentaquark in the reaction gd¨K-K+nÓ, B. McKinnon et al. (The CLAS Collaboration), Phys. Rev. Lett. 96, 212001 (2006). (hep-ex/0603028)

 

9.     ÒSingle p+ Electroproduction on Proton in the First and Second Resonance Regions at 0.25 GeV2 < Q2 < 0.65 GeV2 Using CLASÓ, H. Egiyan et al. (The CLAS Collaboration), Phys. Rev. C 73, 025204 (2006). (nucl-ex/0601007)

 

10.  Electron Scattering From High-Momentum Neutrons In DeuteriumÓ, A. Klimenko et al. (The CLAS Collaboration), Rev. C 73, 035212 (2006). (nucl-ex/0510032)

 

11.  ÒMeasurement of 2- and 3-Nucleon Short Range Correlation Probabilities in nucleiÓ, K. S. Egiyan, et al. (The CLAS Collaboration). Phys. Rev. Lett. 96, 082501 (2006). (nucl-ex/0508026)

 

12.  ÒSearch for Q+(1540) pentaquark in high statistics measurement of gp¨K0K+n at CLASÓ, M. Battaglieri et al. (The CLAS Collaboration), Phys. Rev. Lett. 96, 042001 (2006).  (hep-ex/0510061)

 

13.  ÒEta-prime photoproduction on the proton for energies from 1.527 to 2.526 GeVÓ, M. Dugger et al. (the CLAS Collaboration), Phys. Rev. Lett. 96, 062001 (2006).  (nucl-ex:0512019)

 

14.  ÒMeasurement Of The Deuteron Structure Function F2 In The Resonance Region And Evaluation of Its MomentsÓ, M. Osipenko et al., (The CLAS Collaboration). Phys. Rev. C 73, 045205(2006). (hep-ex/0506004)

 

2005

 

1.     Measurement of the polarized structure function $sigma sub {LT_prime}$ for pion electroproduction in the Roper-resonance regionÓ, K. Joo et al. (The CLAS Collaboration), Phys. Rev. C 72, 058202 (2005).

 

2.     ÒBeam-helicity asymmetries in double-charged pion production on the protonÓ, S. Strauch et al., (The CLAS Collaboration), Phys. Rev. Lett. 95, 162003 (2005).

 

3.     ÒSurvey of A_LTÕ asymmetries in semi-exlcusive electron scattering on He4 and C12Ó, D. Protopopescu et al. (The CLAS Coollaboration), Nucl. Phys.  A 748, 357 (2005).

 

4.     "Exclusive RHO^0 Meson Electroproduction from Hydrogen at CLAS", Cynthia Hadjidakis et al. (The CLAS Collaboration) Phys. Lett. B 605, 256 (2005).

 

5.     ÒDeeply Virtual and Exclusive Electroproduction of Omega MesonsÓ L. Morand et al. (The CLAS Collaboration), Eur. Phys. J. A 24, 445 (2005).

 

6.     ÒRadiative Decays of the S0(1385) and L(1520) HyperonsÓ, S. Taylor et al. (The CLAS Collaboration), Phys. Rev. C 71, 054609 (2005).

 

7.     ÒExclusive Photoproduction of the Cascade (Xi) HyperonsÓ, J. Price et al. (The CLAS Collaboration), Phys. Rev. C 71, 058201 (2005).

 

8.     Measurement of the Polarized Structure Function sLTÕ for Pion Electroproduction in the Roper Resonance RegionÓ, K. Joo et al. (The CLAS Collaboration), Phys. Rev. C 72, 058202 (2005).

 

2004

 

1.     ÒMeasurement of Beam-Spin Asymmetries for e(pol)p ->e'¹+ X in the Deeply Inelastic RegimeÓ, H. Avakian, et al. (The CLAS Collaboration), Physical Review D69, 112004 (2004).

 

2.     ÒOnset of asymptotic scaling in deuteron photodisintegrationÓ, P. Rossi et al. (The CLAS Collaboration) Phys. Rev. Lett. 94, 012301 (2004).

 

3.     ÒComplete measurement of three-body photodisintegration of $^3$He for photon energies between 0.35 and 1.55 GeVÓ, S. Niccolai et al. (The CLAS Coollaboration) Phys. Rev. C 70, 064003 (2004).

 

4.     ÒProton source size measurements in the eA --> e'ppX reactionÓ, A.V. Stavinsky et al. (The CLAS Collaboration) Phys Rev. Lett. 93, 192301 (2004).

 

5.     "Measurement of the polarized structure function sigma_{LT'} for p(\vec{e},e'pi+ )n in the \DELTA(1232) resonance region", K. Joo et al. (The CLAS Collaboration) Phys. Rev C 70, 042201 (R) (2004).

 

6.      ÒComplete Angular Distribution Measurements of Two-Body Deuteron Photodisintegration between 0.5 and 3 GeVÓ, M. Mirizita et al. (The CLAS Collaboration) Phys. Rev. C 70, 014005 (2004).

 

7.     ÒHyperon Photoproduction in the Nucleon Resonance RegionÓ, J.W.C. McNabb, et al. (The CLAS Collaboration) Accepted by Phys. Rev. C 69, 042201(R) (2004).

 

8.     ÒTensor Polarization of the Phi Meson Photoproduced at High tÓ, K. McKormick, et al. (The CLAS Collaboration) Phys. Rev. C 69, 032203(R) (2004).

 

9.     ÒTwo-Nucleon Momentum Distributions Measured in 3He(e,e'pp)nÓ, R. Niyazov, et al. (The CLAS Collaboration) Phys. Rev. Lett. 92, 052303 (2004).

 

10.  ÒObservation of an exotic baryon with ${S=+1} in photoproduction from the protonÓ, V. Kubarovsky et al. (The CLAS Collaboration), Phys. Rev. Lett. 92, 032001 (2004).  

 

2003

 

1.     ÒObservation of an Exotic S = +1 Baryon in Exclusive Photoproduction from the DeuteronÓ, S. Stepanayn, et al. (The CLAS Collaboration) Phys. Rev. Lett.  91, 252001 (2003).

 

2.     ÒMeasurement of the Proton Spin Structure Function $g_1(x,Q^2)$ for Q2 from 0.15 to 1.6 GeV2 with CLASÓ, R. Fatemi, et al. (The CLAS Collaboration) Phys. Rev. Lett. 91, 222002 (2003).

 

3.     ÒStudy of the D(1232) using single and double polarization asymmetriesÓ, A. Biselli, et al. (The CLAS Collaboration) Phys. Rev. C 68, 035202 (2003).

 

4.     ÒMeasurement of the polarized structure function sLT' for single p0 electroproduction in the D(1232) resonance regionÓ, K. Joo et al. (The CLAS Collaboration), Phys. Rev. C 68, 032201 (2003).

 

5.     "Observation of nuclear scaling in the A(e,e') reaction at x_B > 1", Kim Egiyan, et al. (The CLAS Collaboration), Phys. Rev. C 68, 014313 (2003).

 

6.     Òep --> e'p pi+ pi- and baryon resonance analysisÓ, M. Ripani, et al. (The CLAS Collaboration), Phys. Rev. Lett. 91, 022002 (2003).

 

7.     ÒFirst Measurement of Transferred Polarization in the Exclusive e(pol)p -> e'K+Lambda(pol) ReactionÓ, D. Carman, et al. (The CLAS Collaboration), Phys. Rev. Lett. 90, 131804 (2003).

 

8.     ÒPhotoproduction of the omega meson on the proton at large momentum transferÓ, M. Battaglieri, et al. (The CLAS Collaboration), Phys. Rev. Lett. 90, 022002 (2003).

 

9.     ÒA Complete Measurement of the F2 Proton Structure Function in the Resonance Region and the Evaluation of the MomentsÓ, M. Osipenko, et al. (The CLAS Collaboration) Phys. Rev. D 67, 092001 (2003).

 

10.  ÒMeasurement of Inclusive Spin Structure Functions of the Deuteron with CLASÓ, J. Yun, et al. (The CLAS Collaboration), Phys. Rev. C 67, 055204 (2003).

 

2002

 

1.     Òeta photoproduction on the proton for energies from 0.75 to 1.95 GeVÓ, M. Dugger, et al. (The CLAS Collaboration) Physical Review Letters 89, 222002 (2002).

 

2.     ÒFirst Measurement of the Double Spin Asymmetry in e(pol)p(pol) -> e'pi+n in the Resonance RegionÓ, R. DeVita, et al. (The CLAS Collaboration)  Phys. Rev. Lett. 88, 082001, 189903(E) (2002).

 

3.     ÒQ2 Dependence of Quadrupole Strength in gamma*p -> Delta +(1232)->p(pizero) TransitionÓ, K. Joo, et al. (The CLAS Collaboration). Phys. Rev. Lett. 88, 122001 (2002).

 

2001

 

1.     ÒObservation of exclusive deeply virtual Compton scattering in polarized electron beam asymmetry measurementsÓ, S. Stepanyan et al. (The CLAS Collaboration), Physical Review Letters 87, 182002 (2001).

 

2.     ÒPhotoproduction of Rho_0 Meson on the Proton at Large Momentum TransferÓ, M. Battaglieri et al., (The CLAS Collaboration). Phys. Rev. Lett. 87, 172002 (2001).

 

3.     ÒElectroproduction of the Lambda(1520) HyperonÓ, S. Barrow et al., (The CLAS Collaboration). Accepted by Phys. Rev. C 64 044601 (2001).

 

4.     ÒExclusive electroproduction of phi mesons at 4.2 GeVÓ, K. Lukashin et al., (The CLAS Collaboration), Phys. Rev. C 63 065205-1 (2001), 64 059901(E) (2001).

 

5.     ÒThe ep --> e'p(eta) reaction at and above the S11(1535) baryon resonanceÓ, R. Thompson et al. (The CLAS Collaboration), Phys. Rev. Lett. 86, 1702 (2001).

 

2000

 

1.     ÒPhotoproduction of phi(1020) Mesons on the Proton at Large Momentum TransferÓ, E. Ancient et al. (The CLAS Collaboration), Phys. Rev. Lett. 85, 4682 (2000).

 

 

CLAS Hardware Publications

 

See older publication list  http://www.jlab.org/Hall-B/pubs/index_old.html for complete listing.

 

1.     ÒThe CEBAF Large Acceptance SpectrometerÓ, B. Mecking, et al. Nucl. Inst. and Meth. 503/3, 513 (2003). 

 

2.     ÒThe CLAS Drift Chamber SystemÓ,  M.D. Mestayer, D.S. Carman, B. Asavapibhop, F.J. Barbosa, P. Bonneau, S.B. Christo, G.E. Dodge, T. Dooling, W.S. Duncan, S.A. Dytman, R. Feuerbach, G.P. Gilfoyle, V. Gyurjyan, K.H. Hicks, R.S. Hicks, C.E. Hyde-Wright, G. Jacobs, A. Klein, F.J. Klein, M.V. Kossov, S.E. Kuhn, R. Magahiz, R.W. Major, C. Martin, T. McGuckin, J. McNabb, R.A. Miskiman, J.A. Mueller, B.B. Niczyporuk, J. OÕmeara, L.M. Qin, B.A. Raue, J. Robb, F. Roudot, R.A. Schumacher, D.J. Tedeschi, R.A. Thompson, D. Tilles, W. Tuzel, K. VanSyoc, M.F. Vinyard, L.B. Weinstein, G.R. Wilkin, A. Yegneswaran, J. Yun, Nucl. Inst. And Meth. A449, 81 (2000).

 

3.     ÒThe Region One Drift Chamber for the CLAS SpectrometerÓ, D.S. Carman, S.A. Dytman, R. Magahiz, M.D. Mestayer, R. Miskiman, J.A. Mueller, R.A. Schumacher, D.J. Tedeschi, and R.A. Thompson, Nucl. Inst. And Meth. A419, 315 (1998).