Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions

C. C. Chang; W. A. Mann; A. Napier; J. Schneps; R. A. Burnstein; J. Hanlon; H. A. Rubin; C. Y. Chang; G. A. Snow; D. Son; P. H. Steinberg; D. Zieminska; R. Engelmann; T. Kafka; S. Sommars; T. Kitagaki; S. Tanaka; H. Yuta; K. Abe; K. Hasegawa; Akira Yamaguchi; K. Tamai; T. Hayashino; S. Kunori; Y. Ohtani; H. Hayano

doi:10.1103/PhysRevD.27.2776

Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions

C. C. Chang, W. A. Mann, A. Napier, J. Schneps, R. A. Burnstein, J. Hanlon, H. A. Rubin, C. Y. Chang, G. A. Snow, D. Son, P. H. Steinberg, D. Zieminska, R. Engelmann, T. Kafka, S. Sommars, T. Kitagaki, S. Tanaka, H. Yuta, K. Abe, K. HasegawaAkira Yamaguchi, K. Tamai, T. Hayashino, S. Kunori, Y. Ohtani, H. Hayano

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Abstract

We apply a new method to determine the probability of the uu diquark from p interactions fragmenting as independent quarks. In particular, by assuming that all 's which do not come from Y*+, N*+, or charmed baryons must come from independent fragmentation, we show this probability to be about 50%. We also provide information from n interactions on the fragmentation of ud diquarks into 's, and from this determine the probability of capturing a strange quark from the sea in the target region to be s=0.0510.013, about half the value found in the current region, s=0.120.02. Overall production rates in n and p reactions are (7.0 0.8)% and (7.0 1.2)%, respectively, when cuts of W>4 GeV and xB>0.2 are made on the data.

Original language	English
Pages (from-to)	2776-2779
Number of pages	4
Journal	Physical Review D
Volume	27
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevD.27.2776
Publication status	Published - 1983 Jan 1

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.27.2776

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Chang, C. C., Mann, W. A., Napier, A., Schneps, J., Burnstein, R. A., Hanlon, J., Rubin, H. A., Chang, C. Y., Snow, G. A., Son, D., Steinberg, P. H., Zieminska, D., Engelmann, R., Kafka, T., Sommars, S., Kitagaki, T., Tanaka, S., Yuta, H., Abe, K., ... Hayano, H. (1983). Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions. Physical Review D, 27(11), 2776-2779. https://doi.org/10.1103/PhysRevD.27.2776

Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions. / Chang, C. C.; Mann, W. A.; Napier, A.; Schneps, J.; Burnstein, R. A.; Hanlon, J.; Rubin, H. A.; Chang, C. Y.; Snow, G. A.; Son, D.; Steinberg, P. H.; Zieminska, D.; Engelmann, R.; Kafka, T.; Sommars, S.; Kitagaki, T.; Tanaka, S.; Yuta, H.; Abe, K.; Hasegawa, K.; Yamaguchi, Akira; Tamai, K.; Hayashino, T.; Kunori, S.; Ohtani, Y.; Hayano, H.

In: Physical Review D, Vol. 27, No. 11, 01.01.1983, p. 2776-2779.

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

Chang, CC, Mann, WA, Napier, A, Schneps, J, Burnstein, RA, Hanlon, J, Rubin, HA, Chang, CY, Snow, GA, Son, D, Steinberg, PH, Zieminska, D, Engelmann, R, Kafka, T, Sommars, S, Kitagaki, T, Tanaka, S, Yuta, H, Abe, K, Hasegawa, K, Yamaguchi, A, Tamai, K, Hayashino, T, Kunori, S, Ohtani, Y & Hayano, H 1983, 'Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions', Physical Review D, vol. 27, no. 11, pp. 2776-2779. https://doi.org/10.1103/PhysRevD.27.2776

Chang, C. C. ; Mann, W. A. ; Napier, A. ; Schneps, J. ; Burnstein, R. A. ; Hanlon, J. ; Rubin, H. A. ; Chang, C. Y. ; Snow, G. A. ; Son, D. ; Steinberg, P. H. ; Zieminska, D. ; Engelmann, R. ; Kafka, T. ; Sommars, S. ; Kitagaki, T. ; Tanaka, S. ; Yuta, H. ; Abe, K. ; Hasegawa, K. ; Yamaguchi, Akira ; Tamai, K. ; Hayashino, T. ; Kunori, S. ; Ohtani, Y. ; Hayano, H. / Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions. In: Physical Review D. 1983 ; Vol. 27, No. 11. pp. 2776-2779.

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abstract = "We apply a new method to determine the probability of the uu diquark from p interactions fragmenting as independent quarks. In particular, by assuming that all 's which do not come from Y*+, N*+, or charmed baryons must come from independent fragmentation, we show this probability to be about 50%. We also provide information from n interactions on the fragmentation of ud diquarks into 's, and from this determine the probability of capturing a strange quark from the sea in the target region to be s=0.0510.013, about half the value found in the current region, s=0.120.02. Overall production rates in n and p reactions are (7.0 0.8)% and (7.0 1.2)%, respectively, when cuts of W>4 GeV and xB>0.2 are made on the data.",

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AU - Chang, C. C.

AU - Mann, W. A.

AU - Napier, A.

AU - Schneps, J.

AU - Burnstein, R. A.

AU - Hanlon, J.

AU - Rubin, H. A.

AU - Chang, C. Y.

AU - Snow, G. A.

AU - Son, D.

AU - Steinberg, P. H.

AU - Zieminska, D.

AU - Engelmann, R.

AU - Kafka, T.

AU - Sommars, S.

AU - Kitagaki, T.

AU - Tanaka, S.

AU - Yuta, H.

AU - Abe, K.

AU - Hasegawa, K.

AU - Yamaguchi, Akira

AU - Tamai, K.

AU - Hayashino, T.

AU - Kunori, S.

AU - Ohtani, Y.

AU - Hayano, H.

PY - 1983/1/1

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N2 - We apply a new method to determine the probability of the uu diquark from p interactions fragmenting as independent quarks. In particular, by assuming that all 's which do not come from Y*+, N*+, or charmed baryons must come from independent fragmentation, we show this probability to be about 50%. We also provide information from n interactions on the fragmentation of ud diquarks into 's, and from this determine the probability of capturing a strange quark from the sea in the target region to be s=0.0510.013, about half the value found in the current region, s=0.120.02. Overall production rates in n and p reactions are (7.0 0.8)% and (7.0 1.2)%, respectively, when cuts of W>4 GeV and xB>0.2 are made on the data.

AB - We apply a new method to determine the probability of the uu diquark from p interactions fragmenting as independent quarks. In particular, by assuming that all 's which do not come from Y*+, N*+, or charmed baryons must come from independent fragmentation, we show this probability to be about 50%. We also provide information from n interactions on the fragmentation of ud diquarks into 's, and from this determine the probability of capturing a strange quark from the sea in the target region to be s=0.0510.013, about half the value found in the current region, s=0.120.02. Overall production rates in n and p reactions are (7.0 0.8)% and (7.0 1.2)%, respectively, when cuts of W>4 GeV and xB>0.2 are made on the data.

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Study of diquark fragmentation into ∧ and Y*+ in n and ∨ p interactions

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