Measurement of nuclear transparency for the A(e,e′π+) reaction

B. Clasie; X. Qian; J. Arrington; R. Asaturyan; F. Benmokhtar; W. Boeglin; P. Bosted; A. Bruell; M. E. Christy; E. Chudakov; W. Cosyn; M. M. Dalton; A. Daniel; D. Day; D. Dutta; L. El Fassi; R. Ent; H. C. Fenker; J. Ferrer; N. Fomin; H. Gao; K. Garrow; D. Gaskell; C. Gray; T. Horn; G. M. Huber; M. K. Jones; N. Kalantarians; C. E. Keppel; K. Kramer; A. Larson; Y. Li; Y. Liang; A. F. Lung; S. Malace; P. Markowitz; A. Matsumura; D. G. Meekins; T. Mertens; G. A. Miller; T. Miyoshi; H. Mkrtchyan; R. Monson; T. Navasardyan; G. Niculescu; I. Niculescu; Y. Okayasu; A. K. Opper; C. Perdrisat; V. Punjabi; A. W. Rauf; V. M. Rodriquez; D. Rohe; J. Ryckebusch; J. Seely; E. Segbefia; G. R. Smith; M. Strikman; M. Sumihama; V. Tadevosyan; L. Tang; V. Tvaskis; A. Villano; W. F. Vulcan; F. R. Wesselmann; S. A. Wood; L. Yuan; X. C. Zheng

doi:10.1103/PhysRevLett.99.242502

Measurement of nuclear transparency for the A(e,e′π+) reaction

B. Clasie, X. Qian, J. Arrington, R. Asaturyan, F. Benmokhtar, W. Boeglin, P. Bosted, A. Bruell, M. E. Christy, E. Chudakov, W. Cosyn, M. M. Dalton, A. Daniel, D. Day, D. Dutta, L. El Fassi, R. Ent, H. C. Fenker, J. Ferrer, N. FominH. Gao, K. Garrow, D. Gaskell, C. Gray, T. Horn, G. M. Huber, M. K. Jones, N. Kalantarians, C. E. Keppel, K. Kramer, A. Larson, Y. Li, Y. Liang, A. F. Lung, S. Malace, P. Markowitz, A. Matsumura, D. G. Meekins, T. Mertens, G. A. Miller, T. Miyoshi, H. Mkrtchyan, R. Monson, T. Navasardyan, G. Niculescu, I. Niculescu, Y. Okayasu, A. K. Opper, C. Perdrisat, V. Punjabi, A. W. Rauf, V. M. Rodriquez, D. Rohe, J. Ryckebusch, J. Seely, E. Segbefia, G. R. Smith, M. Strikman, M. Sumihama, V. Tadevosyan, L. Tang, V. Tvaskis, A. Villano, W. F. Vulcan, F. R. Wesselmann, S. A. Wood, L. Yuan, X. C. Zheng

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Abstract

We have measured the nuclear transparency of the A(e,e′π+) process in H2, C12, Al27, Cu63, and Au197 targets. These measurements were performed at the Jefferson Laboratory over a four momentum transfer squared range Q2=1.1 to 4.7(GeV/c)2. The nuclear transparency was extracted as the super-ratio of (σA/σH) from data to a model of pion-electroproduction from nuclei without π-N final-state interactions. The Q2 and atomic number dependence of the nuclear transparency both show deviations from traditional nuclear physics expectations and are consistent with calculations that include the quantum chromodynamical phenomenon of color transparency.

Original language	English (US)
Article number	242502
Journal	Physical review letters
Volume	99
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.99.242502
State	Published - Dec 14 2007

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.99.242502

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Clasie, B., Qian, X., Arrington, J., Asaturyan, R., Benmokhtar, F., Boeglin, W., Bosted, P., Bruell, A., Christy, M. E., Chudakov, E., Cosyn, W., Dalton, M. M., Daniel, A., Day, D., Dutta, D., El Fassi, L., Ent, R., Fenker, H. C., Ferrer, J., ... Zheng, X. C. (2007). Measurement of nuclear transparency for the A(e,e′π+) reaction. Physical review letters, 99(24), Article 242502. https://doi.org/10.1103/PhysRevLett.99.242502

@article{4bc62636d28342c5b39e646c56fa7c46,

title = "Measurement of nuclear transparency for the A(e,e′π+) reaction",

abstract = "We have measured the nuclear transparency of the A(e,e′π+) process in H2, C12, Al27, Cu63, and Au197 targets. These measurements were performed at the Jefferson Laboratory over a four momentum transfer squared range Q2=1.1 to 4.7(GeV/c)2. The nuclear transparency was extracted as the super-ratio of (σA/σH) from data to a model of pion-electroproduction from nuclei without π-N final-state interactions. The Q2 and atomic number dependence of the nuclear transparency both show deviations from traditional nuclear physics expectations and are consistent with calculations that include the quantum chromodynamical phenomenon of color transparency.",

author = "B. Clasie and X. Qian and J. Arrington and R. Asaturyan and F. Benmokhtar and W. Boeglin and P. Bosted and A. Bruell and Christy, {M. E.} and E. Chudakov and W. Cosyn and Dalton, {M. M.} and A. Daniel and D. Day and D. Dutta and {El Fassi}, L. and R. Ent and Fenker, {H. C.} and J. Ferrer and N. Fomin and H. Gao and K. Garrow and D. Gaskell and C. Gray and T. Horn and Huber, {G. M.} and Jones, {M. K.} and N. Kalantarians and Keppel, {C. E.} and K. Kramer and A. Larson and Y. Li and Y. Liang and Lung, {A. F.} and S. Malace and P. Markowitz and A. Matsumura and Meekins, {D. G.} and T. Mertens and Miller, {G. A.} and T. Miyoshi and H. Mkrtchyan and R. Monson and T. Navasardyan and G. Niculescu and I. Niculescu and Y. Okayasu and Opper, {A. K.} and C. Perdrisat and V. Punjabi and Rauf, {A. W.} and Rodriquez, {V. M.} and D. Rohe and J. Ryckebusch and J. Seely and E. Segbefia and Smith, {G. R.} and M. Strikman and M. Sumihama and V. Tadevosyan and L. Tang and V. Tvaskis and A. Villano and Vulcan, {W. F.} and Wesselmann, {F. R.} and Wood, {S. A.} and L. Yuan and Zheng, {X. C.}",

year = "2007",

month = dec,

day = "14",

doi = "10.1103/PhysRevLett.99.242502",

language = "English (US)",

volume = "99",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "24",

}

Clasie, B, Qian, X, Arrington, J, Asaturyan, R, Benmokhtar, F, Boeglin, W, Bosted, P, Bruell, A, Christy, ME, Chudakov, E, Cosyn, W, Dalton, MM, Daniel, A, Day, D, Dutta, D, El Fassi, L, Ent, R, Fenker, HC, Ferrer, J, Fomin, N, Gao, H, Garrow, K, Gaskell, D, Gray, C, Horn, T, Huber, GM, Jones, MK, Kalantarians, N, Keppel, CE, Kramer, K, Larson, A, Li, Y, Liang, Y, Lung, AF, Malace, S, Markowitz, P, Matsumura, A, Meekins, DG, Mertens, T, Miller, GA, Miyoshi, T, Mkrtchyan, H, Monson, R, Navasardyan, T, Niculescu, G, Niculescu, I, Okayasu, Y, Opper, AK, Perdrisat, C, Punjabi, V, Rauf, AW, Rodriquez, VM, Rohe, D, Ryckebusch, J, Seely, J, Segbefia, E, Smith, GR, Strikman, M, Sumihama, M, Tadevosyan, V, Tang, L, Tvaskis, V, Villano, A, Vulcan, WF, Wesselmann, FR, Wood, SA, Yuan, L & Zheng, XC 2007, 'Measurement of nuclear transparency for the A(e,e′π+) reaction', Physical review letters, vol. 99, no. 24, 242502. https://doi.org/10.1103/PhysRevLett.99.242502

TY - JOUR

T1 - Measurement of nuclear transparency for the A(e,e′π+) reaction

AU - Clasie, B.

AU - Qian, X.

AU - Arrington, J.

AU - Asaturyan, R.

AU - Benmokhtar, F.

AU - Boeglin, W.

AU - Bosted, P.

AU - Bruell, A.

AU - Christy, M. E.

AU - Chudakov, E.

AU - Cosyn, W.

AU - Dalton, M. M.

AU - Daniel, A.

AU - Day, D.

AU - Dutta, D.

AU - El Fassi, L.

AU - Ent, R.

AU - Fenker, H. C.

AU - Ferrer, J.

AU - Fomin, N.

AU - Gao, H.

AU - Garrow, K.

AU - Gaskell, D.

AU - Gray, C.

AU - Horn, T.

AU - Huber, G. M.

AU - Jones, M. K.

AU - Kalantarians, N.

AU - Keppel, C. E.

AU - Kramer, K.

AU - Larson, A.

AU - Li, Y.

AU - Liang, Y.

AU - Lung, A. F.

AU - Malace, S.

AU - Markowitz, P.

AU - Matsumura, A.

AU - Meekins, D. G.

AU - Mertens, T.

AU - Miller, G. A.

AU - Miyoshi, T.

AU - Mkrtchyan, H.

AU - Monson, R.

AU - Navasardyan, T.

AU - Niculescu, G.

AU - Niculescu, I.

AU - Okayasu, Y.

AU - Opper, A. K.

AU - Perdrisat, C.

AU - Punjabi, V.

AU - Rauf, A. W.

AU - Rodriquez, V. M.

AU - Rohe, D.

AU - Ryckebusch, J.

AU - Seely, J.

AU - Segbefia, E.

AU - Smith, G. R.

AU - Strikman, M.

AU - Sumihama, M.

AU - Tadevosyan, V.

AU - Tang, L.

AU - Tvaskis, V.

AU - Villano, A.

AU - Vulcan, W. F.

AU - Wesselmann, F. R.

AU - Wood, S. A.

AU - Yuan, L.

AU - Zheng, X. C.

PY - 2007/12/14

Y1 - 2007/12/14

N2 - We have measured the nuclear transparency of the A(e,e′π+) process in H2, C12, Al27, Cu63, and Au197 targets. These measurements were performed at the Jefferson Laboratory over a four momentum transfer squared range Q2=1.1 to 4.7(GeV/c)2. The nuclear transparency was extracted as the super-ratio of (σA/σH) from data to a model of pion-electroproduction from nuclei without π-N final-state interactions. The Q2 and atomic number dependence of the nuclear transparency both show deviations from traditional nuclear physics expectations and are consistent with calculations that include the quantum chromodynamical phenomenon of color transparency.

AB - We have measured the nuclear transparency of the A(e,e′π+) process in H2, C12, Al27, Cu63, and Au197 targets. These measurements were performed at the Jefferson Laboratory over a four momentum transfer squared range Q2=1.1 to 4.7(GeV/c)2. The nuclear transparency was extracted as the super-ratio of (σA/σH) from data to a model of pion-electroproduction from nuclei without π-N final-state interactions. The Q2 and atomic number dependence of the nuclear transparency both show deviations from traditional nuclear physics expectations and are consistent with calculations that include the quantum chromodynamical phenomenon of color transparency.

UR - http://www.scopus.com/inward/record.url?scp=37249049849&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=37249049849&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.99.242502

DO - 10.1103/PhysRevLett.99.242502

M3 - Article

C2 - 18233444

AN - SCOPUS:37249049849

SN - 0031-9007

VL - 99

JO - Physical review letters

JF - Physical review letters

IS - 24

M1 - 242502

ER -

Measurement of nuclear transparency for the A(e,e′π+) reaction

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