Phys. Rev. C
61,
061602(R)
(2000)
[5 pages]
Separated spectral functions for the quasifree 12C(e,e′p) reaction
D. Dutta et al.
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D. Dutta16,*, D. van Westrum6,†, D. Abbott23, A. Ahmidouch9, Ts. A. Amatuni26, C. Armstrong25,‡, J. Arrington4,§, K. A. Assamagan8, K. Bailey2, O. K. Baker23,8, S. Barrow19, K. Beard8, D. Beatty19, S. Beedoe15, E. Beise13, E. Belz6, C. Bochna11, P. E. Bosted1, H. Breuer13, E. E. W. Bruins11,**, R. Carlini23, J. Cha8, N. Chant13, R. E. Chrien3, C. Cothran24, W. J. Cummings2, S. Danagoulian15,23, D. Day24, D. DeSchepper12,§, J.-E. Ducret22, F. Duncan13,††, J. Dunne23,‡‡, T. Eden8, R. Ent23, H. T. Fortune19, V. Frolov20,a, D. F. Geesaman2, H. Gao11,*, R. Gilman23,21, P. Guèye8, J. O. Hansen2,‡, W. Hinton8, R. J. Holt11, C. Jackson15, H. E. Jackson2, C. Jones2,b, S. Kaufman2, J. J. Kelly13, C. Keppel23,8, M. Khandaker13, W. Kim10, E. Kinney6, A. Klein18, D. Koltenuk19,c, L. Kramer12, W. Lorenzon19,d, K. McFarlane16, D. J. Mack23, R. Madey8, P. Markowitz7, J. Martin12, A. Mateos12, D. Meekins23,e, E. Meier3, M. A. Miller11, R. Milner12, J. Mitchell23, R. Mohring13, H. Mkrtchyan24, A. M. Nathan11, G. Niculescu8,f, I. Niculescu8,g, T. G. O’Neill2, D. Potterveld2, J. W. Price20,h, J. Reinhold2,i, C. Salgado14, J. P. Schiffer2, R. E. Segel16, P. Stoler20, R. Suleiman9,*, R. Sawafta15, R. J. Sutter3, V. Tadevosyan26, L. Tang23,8, B. Terburg11,j, T. P. Welch17, C. Williamson12, S. Wood23, C. Yan23, Jae-Choon Yang5, J. Yu19, B. Zeidman2, W. Zhao12, and B. Zihlmann24
1American University, Washington, D.C. 20016
2Argonne National Laboratory, Argonne, Illinois 60439
3Brookhaven National Laboratory, Upton, New York 11973
4California Institute of Technology, Pasadena, California 91125
5Chungnam National University, Taejon 305-764, Korea
6University of Colorado, Boulder, Colorado 80309
7Florida International University, University Park, Florida 33199
8Hampton University, Hampton, Virginia 23668
9Kent State University, Kent, Ohio 44242
10Kyungpook National University, Taegu, South Korea
11University of Illinois, Champaign-Urbana, Illinois 61801
12Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
13University of Maryland, College Park, Maryland 20742
14Norfolk State University, Norfolk, Virginia 23504
15North Carolina A & T State University, Greensboro, North Carolina 27411
16Northwestern University, Evanston, Illinois 60201
17Oregon State University, Corvallis, Oregon 97331
18Old Dominion University, Norfolk, Virginia 23529
19University of Pennsylvania, Philadelphia, Pennsylvania 19104
20Rensselaer Polytechnic Institute, Troy, New York 12180
21Rutgers University, New Brunswick, New Jersey 08903
22CE Saclay, Gif-sur-Yvette, France
23Thomas Jefferson National Accelerator Facility, Newport News, Virginia 23606
24University of Virginia, Charlottesville, Virginia 22901
25College of William and Mary, Williamsburg, Virginia 23187
26Yerevan Physics Institute, Yerevan, Armenia
Received 29 November 1999; published 16 May 2000
A separation of the longitudinal and transverse 12C(e,e′p) cross sections in the quasifree region has been performed in parallel kinematics at Q2 of 0.64 and 1.8 GeV2 for initial proton momentum <80 MeV. The separated transverse and longitudinal spectral functions at Q2=0.64GeV2 show significant differences for missing energy between 25 and 60 MeV indicating a breakdown in the single nucleon knockout picture. The transverse spectral functions exhibit definite momentum transfer dependence.
© 2000 The American Physical Society
URL:
http://link.aps.org/doi/10.1103/PhysRevC.61.061602
DOI:
10.1103/PhysRevC.61.061602
PACS:
25.30.Fj, 25.30.Rw, 25.30.Fj, 25.30.Rw
*Present address: Laboratory for Nuclear Science, Massachusetts Institute of Technology, Cambridge MA 02139. †Present address: National Snow and Ice Data Center, Boulder, CO 80310. ‡Present address: Thomas Jefferson National Accelerator Facility, Newport News, VA 23606. §Present address: Argonne National Laboratory, Argonne, IL 60439. **Present address: Stichting FOM, Utrecht, The Netherlands. ††Present address: Queens University, Kingston, Ontario, Canada. ‡‡Present address: Mississippi State University, Mississippi State, MS 39762. aPresent address: University of Minnesota, Minneapolis, MN 55439. bPresent address: California Institute of Technology, Pasadena, CA 91125. cPresent address: Lincoln Labs, MIT, Lexington, MA 02420. dPresent address: University of Michigan, Ann Arbor, MI 48109. ePresent address: Florida State University, Tallahassee, FL 32306. fPresent address: Ohio University, Athens, OH 45701. gPresent address: George Washington University, Washington, D.C. 20052. hPresent address: Louisiana Tech University, Ruston, LA 71272. iPresent address: Florida International University, Miami, FL 33199. jPresent address: General Electric Lighting Technology, Cleveland, OH 44112.
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