Quark fragmentation to π±, π0, K±, p and p̄ in the nuclear environment

Airapetian, A.; Акопов, Н.; 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.; Böttcher, H.; Borissov, A.; Borysenko, A.; Bouwhuis, M.; Brack, J.; Brüll, A.; Bryzgalov, V.; Capitani, G. P.; Chiang, H. C.; Ciullo, G.; Contalbrigo, M.; Dalpiaz, P.; Лео, Р. Де; Nardo, L. De; Sanctis, E. De; Devitsin, E.; Nezza, P. Di; Düren, M.; Ehrenfried, M.; Elalaoui-Moulay, A.; Elbakian, G.; Ellinghaus, F.; Elschenbroich, U.; Ely, James H.; Fabbri, R.; Fantoni, A.; Fechtchenko, A.; Felawka, L.; Fox, B. D.; Franz, J.; Frullani, S.; Gapienko, G.; Гапиенко, В. А.; Garibaldi, F.; Garrow, K.; Garutti, E.; Gaskell, D.; Gavrilov, G.; Gharibyan, V.; Graw, G.; Grebeniouk, O.; Greeniaus, L.G.; Gregor, I. M.; Hafidi, K.; Hartig, M.; Hasch, D.; Heesbeen, D.; Henoch, M.; Hertenberger, R.; Hesselink, W.H.A.; Hillenbrand, A.; Hoek, M.; Holler, Y.; Hommez, B.; Iarygin, G.; Ivanilov, A.; Izotov, A.; Jackson, H. E.; Jgoun, A.; Kaiser, R.; Kinney, E.; Kisselev, A.; Königsmann, K.; Kopytin, M.; Коротков, В. А.; Kozlov, V.; Krauß, Bernhard; Krivokhijine, V. G.; Lagamba, L.; Lapikás, L.; Laziev, A.; Lenisa, P.; Liebing, P.; Lindemann, T.; Lipka, K.; Lorenzon, W.; Lu, J.; Maiheu, B.; Makins, N.; Mariański, B.; Marukyan, H.; Masoli, F.; Mexner, V.; Meyners, N.; Mikloukho, O.; Miller, C. A.; Miyachi, Y.; Muccifora, V.; Нагайцев, А.; Nappi, E.; Naryshkin, Y.; Nass, A.; Negodaev, M.; Nowak, W.-D.; Oganessyan, K.; Ohsuga, H.; Pickert, N.; Potashov, S.; Potterveld, D. H.; Raithel, Martin; Reggiani, D.; Reimer, P. E.; Reischl, A.; Reolon, A. R.; Riedl, C.; Rith, Klaus; Rosner, G.; Rostomyan, A.; Rubáček, L.; Ryckbosch, D.; Salomatin, Y.; Sanjiev, I.; Savin, I.; Scarlett, C.; Schäfer, Andreas; Schill, C.; Schnell, G.; Schüler, K. P.; Schwind, A.; Seele, J.; Seidl, R.; Seitz, B.; Shanidze, R.; Shearer, C.; Shibata, T. A.; Shutov, V.; Simani, M. C.; Sinram, K.; Stancari, M.; Statera, M.; Steffens, E.; Steijger, J. J. M.; Stenzel, H.; Stewart, J.; Stößlein, U.; Tait, P.; Tanaka, Hiroki; Taroian, S.; Tchuiko, B.; Terkulov, A.; Tkabladze, A.; Trzciński, A.; Tytgat, M.; Vandenbroucke, A.; Nat, P. van der; Steenhoven, G. van der; Vetterli, M. C.; Vikhrov, V.; Vincter, M. G.; Vogel, Christian; Vogt, Meike; Volmer, J.; Weiskopf, C.; Wendland, J.; Wilbert, Jürgen; Smit, G. Ybeles; Yen, S.; Zihlmann, B.; Zohrabian, H.; Żuprański, P.

doi:10.1016/j.physletb.2003.10.026

Cited by 106 publications

(128 citation statements)

References 36 publications

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“…Such experiments were performed by the SLAC [1], EMC [2] and E665 [3] Collaborations. Recently, more precise data were collected and analysed by the HERMES [4][5][6][7] and CLAS [8] Collaborations. The HERMES and the preliminary CLAS data are complementary in that the latter cover values of the virtual-photon energy ν below 4 GeV.…”

Section: Introductionmentioning

confidence: 99%

Multidimensional study of hadronization in nuclei

Airapetian¹,

Акопов²,

Akopov³

et al. 2011

Eur. Phys. J. A

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Abstract.Hadron multiplicities in semi-inclusive deep-inelastic scattering were measured on neon, krypton, and xenon targets relative to deuterium at an electron(positron)-beam energy of 27.6 GeV at HERMES. These ratios were determined as a function of the virtual-photon energy ν, its virtuality Q 2 , the fractional hadron energy z and the transverse hadron momentum with respect to the virtual-photon direction p t. Dependences were analysed separately for positively and negatively charged pions and kaons as well as protons and antiprotons in a two-dimensional representation. Compared to the one-dimensional dependences, some new features were observed. In particular, when z > 0.4 positive kaons do not show the strong monotonic rise of the multiplicity ratio with ν as exhibited by pions and negative kaons. Protons were found to behave very differently from the other hadrons.The HERMES Collaboration (A. Airapetian et al.): Multidimensional study of hadronization . . .

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Section: Introductionmentioning

confidence: 99%

Multidimensional study of hadronization in nuclei

Airapetian¹,

Акопов²,

Akopov³

et al. 2011

Eur. Phys. J. A

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“…Semi-inclusive Deep Inelastic Scattering (DIS) of leptons on nuclear targets is widely used for studies of the hadronization process [1,2,3,4]. It is most effective to observe at moderate energies of the virtual photon, when the formation time of the hadron is comparable with the nuclear radius.…”

Section: Introductionmentioning

confidence: 99%

“…They are functions of the prehadron-nucleon and hadron-nucleon cross sections and the atomic mass number. The NA data for pions on nitrogen and for identified hadrons on krypton nuclei obtained by the HERMES experiment [3,4] were used to perform the fit. This paper is organized as follows.…”

Section: Introductionmentioning

confidence: 99%

Simple parameterization of nuclear attenuation data

2007

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Based on the nuclear attenuation data obtained by the HERMES experiment on nitrogen and krypton nuclei, it is shown that the nuclear attenuation R h M can be parametrised in a form of a linear polynomial P1 = a11 + τ a12, where τ is the formation time, which depends on the energy of the virtual photon ν and fraction of that energy z carried by the final hadron. Three widely known parameterizations for τ were used for the performed fit. The fit parameters a11 and a12 do not depend on ν and z.

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“…The plot is for Q 2 from 1 to 1.25 GeV 2 and ν from 2.2 to 3 GeV for C, Fe and Pb. The high statistics collected in this experiment allow measuring the multiplicity ratio with significantly smaller uncertainties than HERMES experiment 6 .…”

Section: Experimental Toolsmentioning

confidence: 99%

Dynamics Of Hadronization From Nuclear Semi Inclusive Deep Inelastic Scattering

Hafidi¹

2006

AIP Conference Proceedings

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The CLAS experiment E02-104, part of the EG2 run at Jefferson Lab, was performed to study the hadronization process using semi inclusive deep inelastic scattering off nuclei. Electron beam energy of 5 GeV and the CLAS large acceptance detector were used to study charged pion production. The high luminosity available at Jefferson Lab and the CLAS large acceptance are key factors for such measurements allowing high statistics and therefore multidimensional analyses of the data. Both the multiplicity ratio and the transverse momentum broadening for carbon, iron and lead relative to deuterium are measured. Preliminary results for positive pions are discussed.

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Quark fragmentation to π±, π0, K±, p and p̄ in the nuclear environment

Cited by 106 publications

References 36 publications

Multidimensional study of hadronization in nuclei

Multidimensional study of hadronization in nuclei

Simple parameterization of nuclear attenuation data

Dynamics Of Hadronization From Nuclear Semi Inclusive Deep Inelastic Scattering

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