Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings

T. Åkesson; M. G. Albrow; S. Almehed; O. Benary; H. Bøggild; O. Botner; H. Breuker; V. Burkert; A. A. Carter; J. R. Carter; W. E. Cleland; S. Dagan; E. Dahl-Jensen; I. Dahl-Jensen; G. Damgaard; C. W. Fabjan; U. Goerlach; K. H. Hansen; V. Hedberg; G. Jarlskog; R. Kroeger; K. Kulka; D. Lissauer; B. Lörstad; A. Markou; N. A. McCubbin; U. Mjörnmark; R. Møller; W. Molzon; B. S. Nielsen; L. H. Olsen; Y. Oren; I. Stumer; M. Sullivan; J. A. Thompson; E. Vella; J. Williamson; W. J. Willis; W. A. Zajc

doi:10.1016/0370-2693(87)91122-1

Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings

T. Åkesson^*, M. G. Albrow, S. Almehed, O. Benary, H. Bøggild, O. Botner, H. Breuker, V. Burkert, A. A. Carter, J. R. Carter, W. E. Cleland, S. Dagan, E. Dahl-Jensen, I. Dahl-Jensen, G. Damgaard, C. W. Fabjan, U. Goerlach, K. H. Hansen, V. Hedberg, G. JarlskogR. Kroeger, K. Kulka, D. Lissauer, B. Lörstad, A. Markou, N. A. McCubbin, U. Mjörnmark, R. Møller, W. Molzon, B. S. Nielsen, L. H. Olsen, Y. Oren, I. Stumer, M. Sullivan, J. A. Thompson, E. Vella, J. Williamson, W. J. Willis, W. A. Zajc

^*Corresponding author for this work

School of Physics and Astronomy

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Abstract

In pp and pp̄ collisions at the CERN Intersecting Storage Rings, a directional dependence of the size of the pion-emitting region is observed using Bose-Einstein interference between identical charged pions. The data reveal a substantially larger dimension in the direction parallel to the beam axis than in the transverse direction, indicating a prolate shape of the emission region. For αα interactions, the data are consistent with a spherical shape.

Original language	English
Pages (from-to)	420-424
Number of pages	5
Journal	Physics Letters B
Volume	187
Issue number	3-4
DOIs	https://doi.org/10.1016/0370-2693(87)91122-1
State	Published - 26 Mar 1987

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CERN

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Åkesson, T., Albrow, M. G., Almehed, S., Benary, O., Bøggild, H., Botner, O., Breuker, H., Burkert, V., Carter, A. A., Carter, J. R., Cleland, W. E., Dagan, S., Dahl-Jensen, E., Dahl-Jensen, I., Damgaard, G., Fabjan, C. W., Goerlach, U., Hansen, K. H., Hedberg, V., ... Zajc, W. A. (1987). Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings. Physics Letters B, 187(3-4), 420-424. https://doi.org/10.1016/0370-2693(87)91122-1

@article{989eb3603a984bbe9f9b837779feff2c,

title = "Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings",

abstract = "In pp and p{\=p} collisions at the CERN Intersecting Storage Rings, a directional dependence of the size of the pion-emitting region is observed using Bose-Einstein interference between identical charged pions. The data reveal a substantially larger dimension in the direction parallel to the beam axis than in the transverse direction, indicating a prolate shape of the emission region. For αα interactions, the data are consistent with a spherical shape.",

author = "T. {\AA}kesson and Albrow, {M. G.} and S. Almehed and O. Benary and H. B{\o}ggild and O. Botner and H. Breuker and V. Burkert and Carter, {A. A.} and Carter, {J. R.} and Cleland, {W. E.} and S. Dagan and E. Dahl-Jensen and I. Dahl-Jensen and G. Damgaard and Fabjan, {C. W.} and U. Goerlach and Hansen, {K. H.} and V. Hedberg and G. Jarlskog and R. Kroeger and K. Kulka and D. Lissauer and B. L{\"o}rstad and A. Markou and McCubbin, {N. A.} and U. Mj{\"o}rnmark and R. M{\o}ller and W. Molzon and Nielsen, {B. S.} and Olsen, {L. H.} and Y. Oren and I. Stumer and M. Sullivan and Thompson, {J. A.} and E. Vella and J. Williamson and Willis, {W. J.} and Zajc, {W. A.}",

note = "Funding Information: We wish to thank the CERN EP, EF and ISR divisions for their support of this experiment, and the Research Councils in our home countries for funding.",

year = "1987",

month = mar,

day = "26",

doi = "10.1016/0370-2693(87)91122-1",

language = "אנגלית",

volume = "187",

pages = "420--424",

journal = "Physics Letters B",

issn = "0370-2693",

publisher = "Elsevier B.V.",

number = "3-4",

}

Åkesson, T, Albrow, MG, Almehed, S, Benary, O, Bøggild, H, Botner, O, Breuker, H, Burkert, V, Carter, AA, Carter, JR, Cleland, WE, Dagan, S, Dahl-Jensen, E, Dahl-Jensen, I, Damgaard, G, Fabjan, CW, Goerlach, U, Hansen, KH, Hedberg, V, Jarlskog, G, Kroeger, R, Kulka, K, Lissauer, D, Lörstad, B, Markou, A, McCubbin, NA, Mjörnmark, U, Møller, R, Molzon, W, Nielsen, BS, Olsen, LH, Oren, Y, Stumer, I, Sullivan, M, Thompson, JA, Vella, E, Williamson, J, Willis, WJ & Zajc, WA 1987, 'Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings', Physics Letters B, vol. 187, no. 3-4, pp. 420-424. https://doi.org/10.1016/0370-2693(87)91122-1

TY - JOUR

T1 - Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings

AU - Åkesson, T.

AU - Albrow, M. G.

AU - Almehed, S.

AU - Benary, O.

AU - Bøggild, H.

AU - Botner, O.

AU - Breuker, H.

AU - Burkert, V.

AU - Carter, A. A.

AU - Carter, J. R.

AU - Cleland, W. E.

AU - Dagan, S.

AU - Dahl-Jensen, E.

AU - Dahl-Jensen, I.

AU - Damgaard, G.

AU - Fabjan, C. W.

AU - Goerlach, U.

AU - Hansen, K. H.

AU - Hedberg, V.

AU - Jarlskog, G.

AU - Kroeger, R.

AU - Kulka, K.

AU - Lissauer, D.

AU - Lörstad, B.

AU - Markou, A.

AU - McCubbin, N. A.

AU - Mjörnmark, U.

AU - Møller, R.

AU - Molzon, W.

AU - Nielsen, B. S.

AU - Olsen, L. H.

AU - Oren, Y.

AU - Stumer, I.

AU - Sullivan, M.

AU - Thompson, J. A.

AU - Vella, E.

AU - Williamson, J.

AU - Willis, W. J.

AU - Zajc, W. A.

N1 - Funding Information: We wish to thank the CERN EP, EF and ISR divisions for their support of this experiment, and the Research Councils in our home countries for funding.

PY - 1987/3/26

Y1 - 1987/3/26

N2 - In pp and pp̄ collisions at the CERN Intersecting Storage Rings, a directional dependence of the size of the pion-emitting region is observed using Bose-Einstein interference between identical charged pions. The data reveal a substantially larger dimension in the direction parallel to the beam axis than in the transverse direction, indicating a prolate shape of the emission region. For αα interactions, the data are consistent with a spherical shape.

AB - In pp and pp̄ collisions at the CERN Intersecting Storage Rings, a directional dependence of the size of the pion-emitting region is observed using Bose-Einstein interference between identical charged pions. The data reveal a substantially larger dimension in the direction parallel to the beam axis than in the transverse direction, indicating a prolate shape of the emission region. For αα interactions, the data are consistent with a spherical shape.

UR - http://www.scopus.com/inward/record.url?scp=0037652871&partnerID=8YFLogxK

U2 - 10.1016/0370-2693(87)91122-1

DO - 10.1016/0370-2693(87)91122-1

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AN - SCOPUS:0037652871

SN - 0370-2693

VL - 187

SP - 420

EP - 424

JO - Physics Letters B

JF - Physics Letters B

IS - 3-4

ER -

Evidence for a directional dependence of Bose-Einstein correlations at the CERN intersecting storage rings

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