Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering

A. Airapetian; N. Akopov; Z. Akopov; M. Amarian; V. V. Ammosov; A. Andrus; E. C. Aschenauer; W. Augustyniak; R. Avakian; A. Avetissian; E. Avetissian; P. Bailey; V. Baturin; C. Baumgarten; M. Beckmann; S. Belostotski; S. Bernreuther; N. Bianchi; H. P. Blok; H. Böttcher; A. Borissov; M. Bouwhuis; J. Brack; A. Brüll; V. Bryzgalov; G. P. Capitani; H. C. Chiang; G. Ciullo; M. Contalbrigo; P. F. Dalpiaz; R. De Leo; L. De Nardo; E. De Sanctis; E. Devitsin; P. Di Nezza; M. Düren; M. Ehrenfried; A. Elalaoui-Moulay; G. Elbakian; F. Ellinghaus; U. Elschenbroich; J. Ely; R. Fabbri; A. Fantoni; A. Fechtchenko; L. Felawka; B. Fox; J. Franz; S. Frullani; Y. Gärber; G. Gapienko; V. Gapienko; F. Garibaldi; K. Garrow; E. Garutti; D. Gaskell; G. Gavrilov; V. Gharibyan; G. Graw; O. Grebeniouk; L. G. Greeniaus; K. Hafidi; M. Hartig; D. Hasch; D. Heesbeen; M. Henoch; R. Hertenberger; W. H.A. Hesselink; A. Hillenbrand; M. Hoek; Y. Holler; B. Hommez; G. Iarygin; A. Ivanilov; A. Izotov; H. E. Jackson; A. Jgoun; R. Kaiser; E. Kinney; A. Kisselev; K. Königsmann; M. Kopytin; V. Korotkov; V. Kozlov; B. Krauss; V. G. Krivokhijine; L. Lagamba; L. Lapikás; A. Laziev; P. Lenisa; P. Liebing; T. Lindemann; K. Lipka; W. Lorenzon; J. Lu; B. Maiheu; N. C.R. Makins; B. Marianski; H. Marukyan; F. Masoli; V. Mexner; N. Meyners; O. Mikloukho; C. A. Miller; Y. Miyachi; V. Muccifora; A. Nagaitsev; E. Nappi; Y. Naryshkin; A. Nass; M. Negodaev; W. D. Nowak; K. Oganessyan; H. Ohsuga; G. Orlandi; N. Pickert; S. Potashov; D. H. Potterveld; M. Raithel; D. Reggiani; P. E. Reimer; A. Reischl; A. R. Reolon; C. Riedl; K. Rith; G. Rosner; A. Rostomyan; L. Rubacek; D. Ryckbosch; Y. Salomatin; I. Sanjiev; I. Savin; C. Scarlett; A. Schäfer; C. Schill; G. Schnell; K. P. Schüler; A. Schwind; J. Seele; R. Seidl; B. Seitz; R. Shanidze; C. Shearer; T. A. Shibata; V. Shutov; M. C. Simani; K. Sinram; M. Stancari; M. Statera; E. Steffens; J. J.M. Steijger; J. Stewart; U. Stösslein; P. Tait; H. Tanaka; S. Taroian; B. Tchuiko; A. Terkulov; A. Tkabladze; A. Trzcinski; M. Tytgat; A. Vandenbroucke; P. van der Nat; G. van der Steenhoven; M. C. Vetterli; V. Vikhrov; M. G. Vincter; J. Visser; C. Vogel; M. Vogt; J. Volmer; C. Weiskopf; J. Wendland; J. Wilbert; G. Ybeles Smit; S. Yen; B. Zihlmann; H. Zohrabian; P. Zupranski

doi:10.1103/PhysRevLett.92.012005

Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering

A. Airapetian, N. Akopov, Z. Akopov, M. Amarian, V. V. Ammosov, A. Andrus, E. C. Aschenauer, W. Augustyniak, R. Avakian, A. Avetissian, E. Avetissian, P. Bailey, V. Baturin, C. Baumgarten, M. Beckmann, S. Belostotski, S. Bernreuther, N. Bianchi, H. P. Blok, H. BöttcherA. Borissov, M. Bouwhuis, J. Brack, A. Brüll, V. Bryzgalov, G. P. Capitani, H. C. Chiang, G. Ciullo, M. Contalbrigo, P. F. Dalpiaz, R. De Leo, L. De Nardo, E. De Sanctis, E. Devitsin, P. Di Nezza, M. Düren, M. Ehrenfried, A. Elalaoui-Moulay, G. Elbakian, F. Ellinghaus, U. Elschenbroich, J. Ely, R. Fabbri, A. Fantoni, A. Fechtchenko, L. Felawka, B. Fox, J. Franz, S. Frullani, Y. Gärber, G. Gapienko, V. Gapienko, F. Garibaldi, K. Garrow, E. Garutti, D. Gaskell, G. Gavrilov, V. Gharibyan, G. Graw, O. Grebeniouk, L. G. Greeniaus, K. Hafidi, M. Hartig, D. Hasch, D. Heesbeen, M. Henoch, R. Hertenberger, W. H.A. Hesselink, A. Hillenbrand, M. Hoek, Y. Holler, B. Hommez, G. Iarygin, A. Ivanilov, A. Izotov, H. E. Jackson, A. Jgoun, R. Kaiser, E. Kinney, A. Kisselev, K. Königsmann, M. Kopytin, V. Korotkov, V. Kozlov, B. Krauss, V. G. Krivokhijine, L. Lagamba, L. Lapikás, A. Laziev, P. Lenisa, P. Liebing, T. Lindemann, K. Lipka, W. Lorenzon, J. Lu, B. Maiheu, N. C.R. Makins, B. Marianski, H. Marukyan, F. Masoli, V. Mexner, N. Meyners, O. Mikloukho, C. A. Miller, Y. Miyachi, V. Muccifora, A. Nagaitsev, E. Nappi, Y. Naryshkin, A. Nass, M. Negodaev, W. D. Nowak, K. Oganessyan, H. Ohsuga, G. Orlandi, N. Pickert, S. Potashov, D. H. Potterveld, M. Raithel, D. Reggiani, P. E. Reimer, A. Reischl, A. R. Reolon, C. Riedl, K. Rith, G. Rosner, A. Rostomyan, L. Rubacek, D. Ryckbosch, Y. Salomatin, I. Sanjiev, I. Savin, C. Scarlett, A. Schäfer, C. Schill, G. Schnell, K. P. Schüler, A. Schwind, J. Seele, R. Seidl, B. Seitz, R. Shanidze, C. Shearer, T. A. Shibata, V. Shutov, M. C. Simani, K. Sinram, M. Stancari, M. Statera, E. Steffens, J. J.M. Steijger, J. Stewart, U. Stösslein, P. Tait, H. Tanaka, S. Taroian, B. Tchuiko, A. Terkulov, A. Tkabladze, A. Trzcinski, M. Tytgat, A. Vandenbroucke, P. van der Nat, G. van der Steenhoven, M. C. Vetterli, V. Vikhrov, M. G. Vincter, J. Visser, C. Vogel, M. Vogt, J. Volmer, C. Weiskopf, J. Wendland, J. Wilbert, G. Ybeles Smit, S. Yen, B. Zihlmann, H. Zohrabian, P. Zupranski

Research output: Contribution to journal › Article › peer-review

Abstract

Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized deuterium target. Five helicity distributions including those for three sea quark flavors were extracted from these data together with reanalyzed previous data for identified pions from a hydrogen target. These distributions are consistent with zero for all three sea flavors. A recently predicted flavor asymmetry in the polarization of the light quark sea appears to be disfavored by the data.

Original language	English (US)
Pages (from-to)	5
Number of pages	1
Journal	Physical review letters
Volume	92
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.92.012005
State	Published - 2004
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

Online availability

10.1103/PhysRevLett.92.012005

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Airapetian, A., Akopov, N., Akopov, Z., Amarian, M., Ammosov, V. V., Andrus, A., Aschenauer, E. C., Augustyniak, W., Avakian, R., Avetissian, A., Avetissian, E., Bailey, P., Baturin, V., Baumgarten, C., Beckmann, M., Belostotski, S., Bernreuther, S., Bianchi, N., Blok, H. P., ... Zupranski, P. (2004). Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering. Physical review letters, 92(1), 5. https://doi.org/10.1103/PhysRevLett.92.012005

Airapetian, A, Akopov, N, Akopov, Z, Amarian, M, Ammosov, VV, Andrus, A, Aschenauer, EC, Augustyniak, W, Avakian, R, Avetissian, A, Avetissian, E, Bailey, P, Baturin, V, Baumgarten, C, Beckmann, M, Belostotski, S, Bernreuther, S, Bianchi, N, Blok, HP, Böttcher, H, Borissov, A, Bouwhuis, M, Brack, J, Brüll, A, Bryzgalov, V, Capitani, GP, Chiang, HC, Ciullo, G, Contalbrigo, M, Dalpiaz, PF, De Leo, R, De Nardo, L, De Sanctis, E, Devitsin, E, Di Nezza, P, Düren, M, Ehrenfried, M, Elalaoui-Moulay, A, Elbakian, G, Ellinghaus, F, Elschenbroich, U, Ely, J, Fabbri, R, Fantoni, A, Fechtchenko, A, Felawka, L, Fox, B, Franz, J, Frullani, S, Gärber, Y, Gapienko, G, Gapienko, V, Garibaldi, F, Garrow, K, Garutti, E, Gaskell, D, Gavrilov, G, Gharibyan, V, Graw, G, Grebeniouk, O, Greeniaus, LG, Hafidi, K, Hartig, M, Hasch, D, Heesbeen, D, Henoch, M, Hertenberger, R, Hesselink, WHA, Hillenbrand, A, Hoek, M, Holler, Y, Hommez, B, Iarygin, G, Ivanilov, A, Izotov, A, Jackson, HE, Jgoun, A, Kaiser, R, Kinney, E, Kisselev, A, Königsmann, K, Kopytin, M, Korotkov, V, Kozlov, V, Krauss, B, Krivokhijine, VG, Lagamba, L, Lapikás, L, Laziev, A, Lenisa, P, Liebing, P, Lindemann, T, Lipka, K, Lorenzon, W, Lu, J, Maiheu, B, Makins, NCR, Marianski, B, Marukyan, H, Masoli, F, Mexner, V, Meyners, N, Mikloukho, O, Miller, CA, Miyachi, Y, Muccifora, V, Nagaitsev, A, Nappi, E, Naryshkin, Y, Nass, A, Negodaev, M, Nowak, WD, Oganessyan, K, Ohsuga, H, Orlandi, G, Pickert, N, Potashov, S, Potterveld, DH, Raithel, M, Reggiani, D, Reimer, PE, Reischl, A, Reolon, AR, Riedl, C, Rith, K, Rosner, G, Rostomyan, A, Rubacek, L, Ryckbosch, D, Salomatin, Y, Sanjiev, I, Savin, I, Scarlett, C, Schäfer, A, Schill, C, Schnell, G, Schüler, KP, Schwind, A, Seele, J, Seidl, R, Seitz, B, Shanidze, R, Shearer, C, Shibata, TA, Shutov, V, Simani, MC, Sinram, K, Stancari, M, Statera, M, Steffens, E, Steijger, JJM, Stewart, J, Stösslein, U, Tait, P, Tanaka, H, Taroian, S, Tchuiko, B, Terkulov, A, Tkabladze, A, Trzcinski, A, Tytgat, M, Vandenbroucke, A, van der Nat, P, van der Steenhoven, G, Vetterli, MC, Vikhrov, V, Vincter, MG, Visser, J, Vogel, C, Vogt, M, Volmer, J, Weiskopf, C, Wendland, J, Wilbert, J, Ybeles Smit, G, Yen, S, Zihlmann, B, Zohrabian, H & Zupranski, P 2004, 'Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering', Physical review letters, vol. 92, no. 1, pp. 5. https://doi.org/10.1103/PhysRevLett.92.012005

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title = "Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering",

abstract = "Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized deuterium target. Five helicity distributions including those for three sea quark flavors were extracted from these data together with reanalyzed previous data for identified pions from a hydrogen target. These distributions are consistent with zero for all three sea flavors. A recently predicted flavor asymmetry in the polarization of the light quark sea appears to be disfavored by the data.",

author = "A. Airapetian and N. Akopov and Z. Akopov and M. Amarian and Ammosov, {V. V.} and A. Andrus and Aschenauer, {E. C.} and W. Augustyniak and R. Avakian and A. Avetissian and E. Avetissian and P. Bailey and V. Baturin and C. Baumgarten and M. Beckmann and S. Belostotski and S. Bernreuther and N. Bianchi and Blok, {H. P.} and H. B{\"o}ttcher and A. Borissov and M. Bouwhuis and J. Brack and A. Br{\"u}ll and V. Bryzgalov and Capitani, {G. P.} and Chiang, {H. C.} and G. Ciullo and M. Contalbrigo and Dalpiaz, {P. F.} and {De Leo}, R. and {De Nardo}, L. and {De Sanctis}, E. and E. Devitsin and {Di Nezza}, P. and M. D{\"u}ren and M. Ehrenfried and A. Elalaoui-Moulay and G. Elbakian and F. Ellinghaus and U. Elschenbroich and J. Ely and R. Fabbri and A. Fantoni and A. Fechtchenko and L. Felawka and B. Fox and J. Franz and S. Frullani and Y. G{\"a}rber and G. Gapienko and V. Gapienko and F. Garibaldi and K. Garrow and E. Garutti and D. Gaskell and G. Gavrilov and V. Gharibyan and G. Graw and O. Grebeniouk and Greeniaus, {L. G.} and K. Hafidi and M. Hartig and D. Hasch and D. Heesbeen and M. Henoch and R. Hertenberger and Hesselink, {W. H.A.} and A. Hillenbrand and M. Hoek and Y. Holler and B. Hommez and G. Iarygin and A. Ivanilov and A. Izotov and Jackson, {H. E.} and A. Jgoun and R. Kaiser and E. Kinney and A. Kisselev and K. K{\"o}nigsmann and M. Kopytin and V. Korotkov and V. Kozlov and B. Krauss and Krivokhijine, {V. G.} and L. Lagamba and L. Lapik{\'a}s and A. Laziev and P. Lenisa and P. Liebing and T. Lindemann and K. Lipka and W. Lorenzon and J. Lu and B. Maiheu and Makins, {N. C.R.} and B. Marianski and H. Marukyan and F. Masoli and V. Mexner and N. Meyners and O. Mikloukho and Miller, {C. A.} and Y. Miyachi and V. Muccifora and A. Nagaitsev and E. Nappi and Y. Naryshkin and A. Nass and M. Negodaev and Nowak, {W. D.} and K. Oganessyan and H. Ohsuga and G. Orlandi and N. Pickert and S. Potashov and Potterveld, {D. H.} and M. Raithel and D. Reggiani and Reimer, {P. E.} and A. Reischl and Reolon, {A. R.} and C. Riedl and K. Rith and G. Rosner and A. Rostomyan and L. Rubacek and D. Ryckbosch and Y. Salomatin and I. Sanjiev and I. Savin and C. Scarlett and A. Sch{\"a}fer and C. Schill and G. Schnell and Sch{\"u}ler, {K. P.} and A. Schwind and J. Seele and R. Seidl and B. Seitz and R. Shanidze and C. Shearer and Shibata, {T. A.} and V. Shutov and Simani, {M. C.} and K. Sinram and M. Stancari and M. Statera and E. Steffens and Steijger, {J. J.M.} and J. Stewart and U. St{\"o}sslein and P. Tait and H. Tanaka and S. Taroian and B. Tchuiko and A. Terkulov and A. Tkabladze and A. Trzcinski and M. Tytgat and A. Vandenbroucke and {van der Nat}, P. and {van der Steenhoven}, G. and Vetterli, {M. C.} and V. Vikhrov and Vincter, {M. G.} and J. Visser and C. Vogel and M. Vogt and J. Volmer and C. Weiskopf and J. Wendland and J. Wilbert and {Ybeles Smit}, G. and S. Yen and B. Zihlmann and H. Zohrabian and P. Zupranski",

year = "2004",

doi = "10.1103/PhysRevLett.92.012005",

language = "English (US)",

volume = "92",

pages = "5",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "1",

}

TY - JOUR

T1 - Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering

AU - Airapetian, A.

AU - Akopov, N.

AU - Akopov, Z.

AU - Amarian, M.

AU - Ammosov, V. V.

AU - Andrus, A.

AU - Aschenauer, E. C.

AU - Augustyniak, W.

AU - Avakian, R.

AU - Avetissian, A.

AU - Avetissian, E.

AU - Bailey, P.

AU - Baturin, V.

AU - Baumgarten, C.

AU - Beckmann, M.

AU - Belostotski, S.

AU - Bernreuther, S.

AU - Bianchi, N.

AU - Blok, H. P.

AU - Böttcher, H.

AU - Borissov, A.

AU - Bouwhuis, M.

AU - Brack, J.

AU - Brüll, A.

AU - Bryzgalov, V.

AU - Capitani, G. P.

AU - Chiang, H. C.

AU - Ciullo, G.

AU - Contalbrigo, M.

AU - Dalpiaz, P. F.

AU - De Leo, R.

AU - De Nardo, L.

AU - De Sanctis, E.

AU - Devitsin, E.

AU - Di Nezza, P.

AU - Düren, M.

AU - Ehrenfried, M.

AU - Elalaoui-Moulay, A.

AU - Elbakian, G.

AU - Ellinghaus, F.

AU - Elschenbroich, U.

AU - Ely, J.

AU - Fabbri, R.

AU - Fantoni, A.

AU - Fechtchenko, A.

AU - Felawka, L.

AU - Fox, B.

AU - Franz, J.

AU - Frullani, S.

AU - Gärber, Y.

AU - Gapienko, G.

AU - Gapienko, V.

AU - Garibaldi, F.

AU - Garrow, K.

AU - Garutti, E.

AU - Gaskell, D.

AU - Gavrilov, G.

AU - Gharibyan, V.

AU - Graw, G.

AU - Grebeniouk, O.

AU - Greeniaus, L. G.

AU - Hafidi, K.

AU - Hartig, M.

AU - Hasch, D.

AU - Heesbeen, D.

AU - Henoch, M.

AU - Hertenberger, R.

AU - Hesselink, W. H.A.

AU - Hillenbrand, A.

AU - Hoek, M.

AU - Holler, Y.

AU - Hommez, B.

AU - Iarygin, G.

AU - Ivanilov, A.

AU - Izotov, A.

AU - Jackson, H. E.

AU - Jgoun, A.

AU - Kaiser, R.

AU - Kinney, E.

AU - Kisselev, A.

AU - Königsmann, K.

AU - Kopytin, M.

AU - Korotkov, V.

AU - Kozlov, V.

AU - Krauss, B.

AU - Krivokhijine, V. G.

AU - Lagamba, L.

AU - Lapikás, L.

AU - Laziev, A.

AU - Lenisa, P.

AU - Liebing, P.

AU - Lindemann, T.

AU - Lipka, K.

AU - Lorenzon, W.

AU - Lu, J.

AU - Maiheu, B.

AU - Makins, N. C.R.

AU - Marianski, B.

AU - Marukyan, H.

AU - Masoli, F.

AU - Mexner, V.

AU - Meyners, N.

AU - Mikloukho, O.

AU - Miller, C. A.

AU - Miyachi, Y.

AU - Muccifora, V.

AU - Nagaitsev, A.

AU - Nappi, E.

AU - Naryshkin, Y.

AU - Nass, A.

AU - Negodaev, M.

AU - Nowak, W. D.

AU - Oganessyan, K.

AU - Ohsuga, H.

AU - Orlandi, G.

AU - Pickert, N.

AU - Potashov, S.

AU - Potterveld, D. H.

AU - Raithel, M.

AU - Reggiani, D.

AU - Reimer, P. E.

AU - Reischl, A.

AU - Reolon, A. R.

AU - Riedl, C.

AU - Rith, K.

AU - Rosner, G.

AU - Rostomyan, A.

AU - Rubacek, L.

AU - Ryckbosch, D.

AU - Salomatin, Y.

AU - Sanjiev, I.

AU - Savin, I.

AU - Scarlett, C.

AU - Schäfer, A.

AU - Schill, C.

AU - Schnell, G.

AU - Schüler, K. P.

AU - Schwind, A.

AU - Seele, J.

AU - Seidl, R.

AU - Seitz, B.

AU - Shanidze, R.

AU - Shearer, C.

AU - Shibata, T. A.

AU - Shutov, V.

AU - Simani, M. C.

AU - Sinram, K.

AU - Stancari, M.

AU - Statera, M.

AU - Steffens, E.

AU - Steijger, J. J.M.

AU - Stewart, J.

AU - Stösslein, U.

AU - Tait, P.

AU - Tanaka, H.

AU - Taroian, S.

AU - Tchuiko, B.

AU - Terkulov, A.

AU - Tkabladze, A.

AU - Trzcinski, A.

AU - Tytgat, M.

AU - Vandenbroucke, A.

AU - van der Nat, P.

AU - van der Steenhoven, G.

AU - Vetterli, M. C.

AU - Vikhrov, V.

AU - Vincter, M. G.

AU - Visser, J.

AU - Vogel, C.

AU - Vogt, M.

AU - Volmer, J.

AU - Weiskopf, C.

AU - Wendland, J.

AU - Wilbert, J.

AU - Ybeles Smit, G.

AU - Yen, S.

AU - Zihlmann, B.

AU - Zohrabian, H.

AU - Zupranski, P.

PY - 2004

Y1 - 2004

N2 - Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized deuterium target. Five helicity distributions including those for three sea quark flavors were extracted from these data together with reanalyzed previous data for identified pions from a hydrogen target. These distributions are consistent with zero for all three sea flavors. A recently predicted flavor asymmetry in the polarization of the light quark sea appears to be disfavored by the data.

AB - Double-spin asymmetries of semiinclusive cross sections for the production of identified pions and kaons have been measured in deep inelastic scattering of polarized positrons on a polarized deuterium target. Five helicity distributions including those for three sea quark flavors were extracted from these data together with reanalyzed previous data for identified pions from a hydrogen target. These distributions are consistent with zero for all three sea flavors. A recently predicted flavor asymmetry in the polarization of the light quark sea appears to be disfavored by the data.

UR - http://www.scopus.com/inward/record.url?scp=85038271022&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85038271022&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.92.012005

DO - 10.1103/PhysRevLett.92.012005

M3 - Article

AN - SCOPUS:85038271022

SN - 0031-9007

VL - 92

SP - 5

JO - Physical review letters

JF - Physical review letters

IS - 1

ER -

Flavor Decomposition of the Sea-Quark Helicity Distributions in the Nucleon from Semiinclusive Deep Inelastic Scattering

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