Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions
Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drel...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1985 |
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| Umfang: |
8 |
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| Reproduktion: |
Springer Online Journal Archives 1860-2002 |
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| Übergeordnetes Werk: |
in: The European physical journal - 1998, 28(1985) vom: Jan., Seite 15-22 |
| Übergeordnetes Werk: |
volume:28 ; year:1985 ; month:01 ; pages:15-22 ; extent:8 |
| Links: |
|---|
| Katalog-ID: |
NLEJ206246331 |
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| 245 | 1 | 0 | |a Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
| 264 | 1 | |c 1985 | |
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| 520 | |a Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. | ||
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| 700 | 1 | |a Betev, B. |4 oth | |
| 700 | 1 | |a Blaising, J. J. |4 oth | |
| 700 | 1 | |a Bordalo, P. |4 oth | |
| 700 | 1 | |a Boumediene, A. |4 oth | |
| 700 | 1 | |a Cerrito, L. |4 oth | |
| 700 | 1 | |a Degré, A. |4 oth | |
| 700 | 1 | |a Ereditato, A. |4 oth | |
| 700 | 1 | |a Falciano, S. |4 oth | |
| 700 | 1 | |a Freudenreich, K. |4 oth | |
| 700 | 1 | |a Gorini, E. |4 oth | |
| 700 | 1 | |a Guanziroli, M. |4 oth | |
| 700 | 1 | |a Hofer, H. |4 oth | |
| 700 | 1 | |a Juillot, P. |4 oth | |
| 700 | 1 | |a Kluberg, L. |4 oth | |
| 700 | 1 | |a Lecomte, P. |4 oth | |
| 700 | 1 | |a Coultre, P. |4 oth | |
| 700 | 1 | |a Morand, R. |4 oth | |
| 700 | 1 | |a Mours, B. |4 oth | |
| 700 | 1 | |a Romana, A. |4 oth | |
| 700 | 1 | |a Salmeron, R. |4 oth | |
| 700 | 1 | |a Strolin, P. |4 oth | |
| 700 | 1 | |a Suter, H. |4 oth | |
| 700 | 1 | |a Telegdi, V. L. |4 oth | |
| 700 | 1 | |a Varela, J. |4 oth | |
| 700 | 1 | |a Viertel, G. |4 oth | |
| 700 | 1 | |a Wallace-Hadrill, J. |4 oth | |
| 700 | 1 | |a Winter, M. |4 oth | |
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1985 |
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(DE-627)NLEJ206246331 DE-627 ger DE-627 rakwb eng Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions 1985 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. Springer Online Journal Archives 1860-2002 Betev, B. oth Blaising, J. J. oth Bordalo, P. oth Boumediene, A. oth Cerrito, L. oth Degré, A. oth Ereditato, A. oth Falciano, S. oth Freudenreich, K. oth Gorini, E. oth Guanziroli, M. oth Hofer, H. oth Juillot, P. oth Kluberg, L. oth Lecomte, P. oth Coultre, P. oth Morand, R. oth Mours, B. oth Romana, A. oth Salmeron, R. oth Strolin, P. oth Suter, H. oth Telegdi, V. L. oth Varela, J. oth Viertel, G. oth Wallace-Hadrill, J. oth Winter, M. oth in The European physical journal 1998 28(1985) vom: Jan., Seite 15-22 (DE-627)NLEJ188986553 (DE-600)1459069-4 1434-6052 nnns volume:28 year:1985 month:01 pages:15-22 extent:8 http://dx.doi.org/10.1007/BF01550244 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 28 1985 1 15-22 8 |
| spelling |
(DE-627)NLEJ206246331 DE-627 ger DE-627 rakwb eng Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions 1985 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. Springer Online Journal Archives 1860-2002 Betev, B. oth Blaising, J. J. oth Bordalo, P. oth Boumediene, A. oth Cerrito, L. oth Degré, A. oth Ereditato, A. oth Falciano, S. oth Freudenreich, K. oth Gorini, E. oth Guanziroli, M. oth Hofer, H. oth Juillot, P. oth Kluberg, L. oth Lecomte, P. oth Coultre, P. oth Morand, R. oth Mours, B. oth Romana, A. oth Salmeron, R. oth Strolin, P. oth Suter, H. oth Telegdi, V. L. oth Varela, J. oth Viertel, G. oth Wallace-Hadrill, J. oth Winter, M. oth in The European physical journal 1998 28(1985) vom: Jan., Seite 15-22 (DE-627)NLEJ188986553 (DE-600)1459069-4 1434-6052 nnns volume:28 year:1985 month:01 pages:15-22 extent:8 http://dx.doi.org/10.1007/BF01550244 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 28 1985 1 15-22 8 |
| allfields_unstemmed |
(DE-627)NLEJ206246331 DE-627 ger DE-627 rakwb eng Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions 1985 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. Springer Online Journal Archives 1860-2002 Betev, B. oth Blaising, J. J. oth Bordalo, P. oth Boumediene, A. oth Cerrito, L. oth Degré, A. oth Ereditato, A. oth Falciano, S. oth Freudenreich, K. oth Gorini, E. oth Guanziroli, M. oth Hofer, H. oth Juillot, P. oth Kluberg, L. oth Lecomte, P. oth Coultre, P. oth Morand, R. oth Mours, B. oth Romana, A. oth Salmeron, R. oth Strolin, P. oth Suter, H. oth Telegdi, V. L. oth Varela, J. oth Viertel, G. oth Wallace-Hadrill, J. oth Winter, M. oth in The European physical journal 1998 28(1985) vom: Jan., Seite 15-22 (DE-627)NLEJ188986553 (DE-600)1459069-4 1434-6052 nnns volume:28 year:1985 month:01 pages:15-22 extent:8 http://dx.doi.org/10.1007/BF01550244 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 28 1985 1 15-22 8 |
| allfieldsGer |
(DE-627)NLEJ206246331 DE-627 ger DE-627 rakwb eng Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions 1985 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. Springer Online Journal Archives 1860-2002 Betev, B. oth Blaising, J. J. oth Bordalo, P. oth Boumediene, A. oth Cerrito, L. oth Degré, A. oth Ereditato, A. oth Falciano, S. oth Freudenreich, K. oth Gorini, E. oth Guanziroli, M. oth Hofer, H. oth Juillot, P. oth Kluberg, L. oth Lecomte, P. oth Coultre, P. oth Morand, R. oth Mours, B. oth Romana, A. oth Salmeron, R. oth Strolin, P. oth Suter, H. oth Telegdi, V. L. oth Varela, J. oth Viertel, G. oth Wallace-Hadrill, J. oth Winter, M. oth in The European physical journal 1998 28(1985) vom: Jan., Seite 15-22 (DE-627)NLEJ188986553 (DE-600)1459069-4 1434-6052 nnns volume:28 year:1985 month:01 pages:15-22 extent:8 http://dx.doi.org/10.1007/BF01550244 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 28 1985 1 15-22 8 |
| allfieldsSound |
(DE-627)NLEJ206246331 DE-627 ger DE-627 rakwb eng Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions 1985 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. Springer Online Journal Archives 1860-2002 Betev, B. oth Blaising, J. J. oth Bordalo, P. oth Boumediene, A. oth Cerrito, L. oth Degré, A. oth Ereditato, A. oth Falciano, S. oth Freudenreich, K. oth Gorini, E. oth Guanziroli, M. oth Hofer, H. oth Juillot, P. oth Kluberg, L. oth Lecomte, P. oth Coultre, P. oth Morand, R. oth Mours, B. oth Romana, A. oth Salmeron, R. oth Strolin, P. oth Suter, H. oth Telegdi, V. L. oth Varela, J. oth Viertel, G. oth Wallace-Hadrill, J. oth Winter, M. oth in The European physical journal 1998 28(1985) vom: Jan., Seite 15-22 (DE-627)NLEJ188986553 (DE-600)1459069-4 1434-6052 nnns volume:28 year:1985 month:01 pages:15-22 extent:8 http://dx.doi.org/10.1007/BF01550244 GBV_USEFLAG_U ZDB-1-SOJ GBV_NL_ARTICLE AR 28 1985 1 15-22 8 |
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Betev, B. @@oth@@ Blaising, J. J. @@oth@@ Bordalo, P. @@oth@@ Boumediene, A. @@oth@@ Cerrito, L. @@oth@@ Degré, A. @@oth@@ Ereditato, A. @@oth@@ Falciano, S. @@oth@@ Freudenreich, K. @@oth@@ Gorini, E. @@oth@@ Guanziroli, M. @@oth@@ Hofer, H. @@oth@@ Juillot, P. @@oth@@ Kluberg, L. @@oth@@ Lecomte, P. @@oth@@ Coultre, P. @@oth@@ Morand, R. @@oth@@ Mours, B. @@oth@@ Romana, A. @@oth@@ Salmeron, R. @@oth@@ Strolin, P. @@oth@@ Suter, H. @@oth@@ Telegdi, V. L. @@oth@@ Varela, J. @@oth@@ Viertel, G. @@oth@@ Wallace-Hadrill, J. @@oth@@ Winter, M. @@oth@@ |
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Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
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Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
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Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
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Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
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observation of anomalous scaling violation in muon pair production by 194 gev/c π−-tungsten interactions |
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Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
| abstract |
Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. |
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Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. |
| abstract_unstemmed |
Abstract The differential cross-section for dimuon production by 194 GeV/c π− onW, as measured by the NA10 Collaboration, is compared with theoretical models. The wide kinematical range of the data, extending well above the ϒ resonances, provides the opportunity of a comparison with ‘realistic’ Drell-Yan models, i.e. with those allowing for scaling violation in the hadronic structure functions. The data in fact clearly indicate the failure of the ‘naïve’ Drell-Yan model, while the available ‘realistic’ versions (leading logarithm approximation and next-to-leading logarithm approximation in first order QCD), although giving a better description of the data, still disagree in thex F and $$\sqrt \tau $$ dependences of the cross-section at high dimuon masses. This disagreement is referred to here as ‘anomalous’ scaling violation. The dependence of the results on external inputs (nucleon and pion-sea structure functions) is analysed; it is shown that in the next-to-leading logarithm approximation the value 〈K〉=1.03±0.03 (stat.) can be obtained for the ratio experimental/theoretical cross-section. |
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Observation of anomalous scaling violation in muon pair production by 194 GeV/c π−-tungsten interactions |
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Betev, B. Blaising, J. J. Bordalo, P. Boumediene, A. Cerrito, L. Degré, A. Ereditato, A. Falciano, S. Freudenreich, K. Gorini, E. Guanziroli, M. Hofer, H. Juillot, P. Kluberg, L. Lecomte, P. Coultre, P. Morand, R. Mours, B. Romana, A. Salmeron, R. Strolin, P. Suter, H. Telegdi, V. L. Varela, J. Viertel, G. Wallace-Hadrill, J. Winter, M. |
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Betev, B. Blaising, J. J. Bordalo, P. Boumediene, A. Cerrito, L. Degré, A. Ereditato, A. Falciano, S. Freudenreich, K. Gorini, E. Guanziroli, M. Hofer, H. Juillot, P. Kluberg, L. Lecomte, P. Coultre, P. Morand, R. Mours, B. Romana, A. Salmeron, R. Strolin, P. Suter, H. Telegdi, V. L. Varela, J. Viertel, G. Wallace-Hadrill, J. Winter, M. |
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