Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV

G. Ballocchi; R. E. Breedon; L. Camilleri; C. Comtat; R. L. Cool; P. T. Cox; Priscilla B Cushman; L. Dick; E. C. Dukes; P. Giacomelli; D. B. Hubbard; J. B. Jeanneret; C. Joseph; W. Kubischta; C. Morel; M. C. Nguyen; P. Oberson; O. E. Overseth; J. L. Pagès; J. P. Perroud; D. Rüegger; Roger W Rusack; V. M. Singh; G. R. Snow; G. Sozzi; L. Studer; M. T. Tran; A. Vacchi; G. Valenti; M. Werlen

doi:10.1016/S0370-2693(98)01001-6

Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV

G. Ballocchi, R. E. Breedon, L. Camilleri, C. Comtat, R. L. Cool, P. T. Cox, Priscilla B Cushman, L. Dick, E. C. Dukes, P. Giacomelli, D. B. Hubbard, J. B. Jeanneret, C. Joseph, W. Kubischta, C. Morel, M. C. Nguyen, P. Oberson, O. E. Overseth, J. L. Pagès, J. P. PerroudD. Rüegger, Roger W Rusack, V. M. Singh, G. R. Snow, G. Sozzi, L. Studer, M. T. Tran, A. Vacchi, G. Valenti, M. Werlen

Physics and Astronomy (Twin Cities)

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Abstract

We report results on inclusive direct photon (γ),π₀, and η production in both pp and p̄p interactions at √s = 24.3 GeV in the transverse momentum range 4.1 ≤ p_T ≤ GeV/c and rapidity range -0.1 ≤ y ≤ 0.9. The data were collected between 1988 and 1990 by the UA6 experiment at CERN, which employed an internal H₂ gas jet target in the Sp̄pS collider. The inclusive direct photon cross sections and the cross section difference σ(p̄p) - σ(pp) expressed as functions of P_T(y) are compared with next-to-leading order QCD predictions.

Original language	English (US)
Pages (from-to)	222-230
Number of pages	9
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	436
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(98)01001-6
State	Published - Sep 17 1998

Bibliographical note

Funding Information:
We wish to thank the CERN PS and SPS Divisions for their magnificent achievement in operating the antiproton source and the Sp̄pS collider. We also thank the EP and SPS Divisions for their extensive support during the running of the experiment. We would also like to thank the earlier members of the UA6 Collaboration for their support in the initial stages of the experiment. We gratefully acknowledge the dedicated support of the UA6 technical and secretarial staff. We acknowledge financial support from the following funding agencies: Swiss Science Foundation, and US Department of Energy and National Science Foundation.

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Ballocchi, G., Breedon, R. E., Camilleri, L., Comtat, C., Cool, R. L., Cox, P. T., Cushman, P. B., Dick, L., Dukes, E. C., Giacomelli, P., Hubbard, D. B., Jeanneret, J. B., Joseph, C., Kubischta, W., Morel, C., Nguyen, M. C., Oberson, P., Overseth, O. E., Pagès, J. L., ... Werlen, M. (1998). Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 436(1-2), 222-230. https://doi.org/10.1016/S0370-2693(98)01001-6

Ballocchi, G, Breedon, RE, Camilleri, L, Comtat, C, Cool, RL, Cox, PT, Cushman, PB, Dick, L, Dukes, EC, Giacomelli, P, Hubbard, DB, Jeanneret, JB, Joseph, C, Kubischta, W, Morel, C, Nguyen, MC, Oberson, P, Overseth, OE, Pagès, JL, Perroud, JP, Rüegger, D, Rusack, RW, Singh, VM, Snow, GR, Sozzi, G, Studer, L, Tran, MT, Vacchi, A, Valenti, G & Werlen, M 1998, 'Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 436, no. 1-2, pp. 222-230. https://doi.org/10.1016/S0370-2693(98)01001-6

@article{738740056e8b44e7a0ed9f7d1ce2ac0a,

title = "Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV",

abstract = "We report results on inclusive direct photon (γ),π0, and η production in both pp and {\=p}p interactions at √s = 24.3 GeV in the transverse momentum range 4.1 ≤ pT ≤ GeV/c and rapidity range -0.1 ≤ y ≤ 0.9. The data were collected between 1988 and 1990 by the UA6 experiment at CERN, which employed an internal H2 gas jet target in the S{\=p}pS collider. The inclusive direct photon cross sections and the cross section difference σ({\=p}p) - σ(pp) expressed as functions of PT(y) are compared with next-to-leading order QCD predictions.",

author = "G. Ballocchi and Breedon, {R. E.} and L. Camilleri and C. Comtat and Cool, {R. L.} and Cox, {P. T.} and Cushman, {Priscilla B} and L. Dick and Dukes, {E. C.} and P. Giacomelli and Hubbard, {D. B.} and Jeanneret, {J. B.} and C. Joseph and W. Kubischta and C. Morel and Nguyen, {M. C.} and P. Oberson and Overseth, {O. E.} and Pag{\`e}s, {J. L.} and Perroud, {J. P.} and D. R{\"u}egger and Rusack, {Roger W} and Singh, {V. M.} and Snow, {G. R.} and G. Sozzi and L. Studer and Tran, {M. T.} and A. Vacchi and G. Valenti and M. Werlen",

note = "Funding Information: We wish to thank the CERN PS and SPS Divisions for their magnificent achievement in operating the antiproton source and the S{\=p}pS collider. We also thank the EP and SPS Divisions for their extensive support during the running of the experiment. We would also like to thank the earlier members of the UA6 Collaboration for their support in the initial stages of the experiment. We gratefully acknowledge the dedicated support of the UA6 technical and secretarial staff. We acknowledge financial support from the following funding agencies: Swiss Science Foundation, and US Department of Energy and National Science Foundation. ",

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doi = "10.1016/S0370-2693(98)01001-6",

language = "English (US)",

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TY - JOUR

T1 - Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV

AU - Ballocchi, G.

AU - Breedon, R. E.

AU - Camilleri, L.

AU - Comtat, C.

AU - Cool, R. L.

AU - Cox, P. T.

AU - Cushman, Priscilla B

AU - Dick, L.

AU - Dukes, E. C.

AU - Giacomelli, P.

AU - Hubbard, D. B.

AU - Jeanneret, J. B.

AU - Joseph, C.

AU - Kubischta, W.

AU - Morel, C.

AU - Nguyen, M. C.

AU - Oberson, P.

AU - Overseth, O. E.

AU - Pagès, J. L.

AU - Perroud, J. P.

AU - Rüegger, D.

AU - Rusack, Roger W

AU - Singh, V. M.

AU - Snow, G. R.

AU - Sozzi, G.

AU - Studer, L.

AU - Tran, M. T.

AU - Vacchi, A.

AU - Valenti, G.

AU - Werlen, M.

N1 - Funding Information: We wish to thank the CERN PS and SPS Divisions for their magnificent achievement in operating the antiproton source and the Sp̄pS collider. We also thank the EP and SPS Divisions for their extensive support during the running of the experiment. We would also like to thank the earlier members of the UA6 Collaboration for their support in the initial stages of the experiment. We gratefully acknowledge the dedicated support of the UA6 technical and secretarial staff. We acknowledge financial support from the following funding agencies: Swiss Science Foundation, and US Department of Energy and National Science Foundation.

PY - 1998/9/17

Y1 - 1998/9/17

N2 - We report results on inclusive direct photon (γ),π0, and η production in both pp and p̄p interactions at √s = 24.3 GeV in the transverse momentum range 4.1 ≤ pT ≤ GeV/c and rapidity range -0.1 ≤ y ≤ 0.9. The data were collected between 1988 and 1990 by the UA6 experiment at CERN, which employed an internal H2 gas jet target in the Sp̄pS collider. The inclusive direct photon cross sections and the cross section difference σ(p̄p) - σ(pp) expressed as functions of PT(y) are compared with next-to-leading order QCD predictions.

AB - We report results on inclusive direct photon (γ),π0, and η production in both pp and p̄p interactions at √s = 24.3 GeV in the transverse momentum range 4.1 ≤ pT ≤ GeV/c and rapidity range -0.1 ≤ y ≤ 0.9. The data were collected between 1988 and 1990 by the UA6 experiment at CERN, which employed an internal H2 gas jet target in the Sp̄pS collider. The inclusive direct photon cross sections and the cross section difference σ(p̄p) - σ(pp) expressed as functions of PT(y) are compared with next-to-leading order QCD predictions.

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U2 - 10.1016/S0370-2693(98)01001-6

DO - 10.1016/S0370-2693(98)01001-6

M3 - Article

AN - SCOPUS:0348193859

SN - 0370-2693

VL - 436

SP - 222

EP - 230

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Direct photon cross sections in proton-proton and antiproton-proton interactions at √s = 24.3 GeV

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